{"product_id":"systeme-solaire-en-pierres-naturelles-9-spheres-en-coffret-bois-sideral","title":"Natural stone solar system, 9 spheres in a wooden box — SIDÉRAL","description":"\u003cstyle\u003e\n.aa{font-family:Georgia,'Times New Roman',serif;color:#1A1A1A;line-height:1.7;font-size:15px;max-width:760px;margin:0 auto}\n.aa p{margin:0 0 1rem}\n.aa a{color:#185FA5;text-decoration:underline}\n.aa .aa-title{display:inline-block;border-bottom:2px solid #FAC775;padding-bottom:4px;font-size:16px;font-weight:600;margin:1.75rem 0 .5rem;letter-spacing:.3px;color:#1A1A1A}\n.aa .aa-badge{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.5px;text-transform:uppercase;padding:3px 10px;border-radius:20px;margin:0 4px 4px 0;vertical-align:middle;font-family:Georgia,serif}\n.aa .aa-badge-or{background:#FAC775;color:#1A1A1A}\n.aa .aa-badge-brun{background:#5C3A1E;color:#FFF9E8}\n.aa .aa-badge-noir{background:#1A1A1A;color:#FAC775}\n.aa .aa-badge-bleu{background:#185FA5;color:#fff}\n.aa 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summary::after{content:\"\\2212\"}\n.aa .aa-a{font-size:13px;color:#3a3a3a;margin-top:.5rem}\n.aa .aa-a p{margin:0 0 .5rem}\n@media(max-width:600px){.aa .aa-vars,.aa .aa-ben{grid-template-columns:1fr}}\n  .aa-links{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:1rem 0}\n  .aa-links a.aa-link{display:block;background:#fff;border:1px solid #ebe5d6;border-left:3px solid #FAC775;border-radius:6px;padding:.8rem 1rem;text-decoration:none;color:#1A1A1A}\n  .aa-link .lt{display:block;font-weight:700;font-size:14px}.aa-link .ld{display:block;font-size:12px;color:#555}\n  @media(max-width:600px){.aa-links{grid-template-columns:1fr}}\n\u003c\/style\u003e\n\u003cdiv class=\"aa\"\u003e\n\n\n\u003cp\u003e\u003cspan class=\"aa-badge aa-badge-brun\"\u003eNatural stones\u003c\/span\u003e \u003cspan class=\"aa-badge aa-badge-noir\"\u003e9 spheres\u003c\/span\u003e Holding the solar system in the palm of your hand: that is the promise of SIDÉRAL. This \u003cstrong\u003enatural stone solar system\u003c\/strong\u003e brings together \u003cstrong\u003enine spheres\u003c\/strong\u003e, from Mercury to Pluto, each carved from a stone chosen to evoke the color of its celestial body: blue \u003cstrong\u003esodalite\u003c\/strong\u003e for Earth, red \u003cstrong\u003eagate\u003c\/strong\u003e for Mars, \u003cstrong\u003etiger's eye\u003c\/strong\u003e with golden reflections for Jupiter, and purple \u003cstrong\u003eamethyst\u003c\/strong\u003e for Pluto. The spheres measure from \u003cstrong\u003e1 to 2.5 cm in diameter\u003c\/strong\u003e and rest side by side in a \u003cstrong\u003elight wood box\u003c\/strong\u003e with a metal clasp, featuring a black interior with nine aligned compartments. On the lid, an illustrated label presents the nine celestial bodies and serves as a cheat sheet for putting them back in order. Halfway between a mineral collection and an astronomy model, SIDÉRAL is a \u003cstrong\u003escientific object\u003c\/strong\u003e that is meant to be looked at, handled, and shared. Placed on a desk, a shelf, or a bedside table, it transforms a science lesson into a decorative piece, making it a \u003cstrong\u003escientific gift\u003c\/strong\u003e appreciated by the curious of all ages, from star-gazers to mineral enthusiasts.\u003c\/p\u003e\n\n\n\u003ch3 class=\"aa-title\"\u003eNine celestial bodies, nine stones\u003c\/h3\u003e\n\n\u003cdiv class=\"aa-cmp\"\u003e\u003ctable\u003e\n\n\u003cthead\u003e\u003ctr\u003e\n\n\u003cth\u003eCelestial body\u003c\/th\u003e\n\n\u003cth\u003eStone\u003c\/th\u003e\n\n\u003cth\u003eDiameter\u003c\/th\u003e\n\n\u003cth\u003eWhat evokes it\u003c\/th\u003e\n\n\n\u003c\/tr\u003e\u003c\/thead\u003e\n\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eMercury\u003c\/td\u003e\n\n\u003ctd\u003eClear quartz\u003c\/td\u003e\n\n\u003ctd\u003e1.2 cm\u003c\/td\u003e\n\n\u003ctd\u003eA limpid stone for the planet closest to the Sun\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr class=\"hl\"\u003e\n\n\u003ctd\u003eVenus\u003c\/td\u003e\n\n\u003ctd\u003ePicture jasper\u003c\/td\u003e\n\n\u003ctd\u003e1.6 cm\u003c\/td\u003e\n\n\u003ctd\u003eNuanced patterns that recall its thick cloud cover\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eEarth\u003c\/td\u003e\n\n\u003ctd\u003eSodalite\u003c\/td\u003e\n\n\u003ctd\u003e1.8 cm\u003c\/td\u003e\n\n\u003ctd\u003eA deep blue veined with white, like the oceans and clouds\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr class=\"hl\"\u003e\n\n\u003ctd\u003eMars\u003c\/td\u003e\n\n\u003ctd\u003eRed agate\u003c\/td\u003e\n\n\u003ctd\u003e1.4 cm\u003c\/td\u003e\n\n\u003ctd\u003eThe hue of the red planet\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eJupiter\u003c\/td\u003e\n\n\u003ctd\u003eTiger's eye\u003c\/td\u003e\n\n\u003ctd\u003e2.5 cm\u003c\/td\u003e\n\n\u003ctd\u003eGolden and brown bands that echo its atmosphere\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr class=\"hl\"\u003e\n\n\u003ctd\u003eSaturn\u003c\/td\u003e\n\n\u003ctd\u003eSo-called \"yellow jade\"\u003c\/td\u003e\n\n\u003ctd\u003e2.2 cm\u003c\/td\u003e\n\n\u003ctd\u003eThe pale yellow of the ringed giant\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eUranus\u003c\/td\u003e\n\n\u003ctd\u003eAventurine\u003c\/td\u003e\n\n\u003ctd\u003e2 cm\u003c\/td\u003e\n\n\u003ctd\u003eA green hue that recalls its blue-green color\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr class=\"hl\"\u003e\n\n\u003ctd\u003eNeptune\u003c\/td\u003e\n\n\u003ctd\u003eBlue agate\u003c\/td\u003e\n\n\u003ctd\u003e1.8 cm\u003c\/td\u003e\n\n\u003ctd\u003eThe blue of the most distant planet\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003ePluto\u003c\/td\u003e\n\n\u003ctd\u003eAmethyst\u003c\/td\u003e\n\n\u003ctd\u003e1 cm\u003c\/td\u003e\n\n\u003ctd\u003eThe smallest sphere for the box's dwarf planet\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\u003c\/div\u003e\n\n\n\u003ch3 class=\"aa-title\"\u003eHighlights\u003c\/h3\u003e\n\n\u003cdiv class=\"aa-ben\"\u003e\n\n  \u003cdiv class=\"aa-b\"\u003e\n\n\u003cspan class=\"ic\"\u003e✦\u003c\/span\u003e\u003cdiv\u003e\n\n\u003cspan class=\"tt\"\u003eNine different stones\u003c\/span\u003e\u003cspan class=\"ds\"\u003eQuartz, jasper, sodalite, agates, tiger's eye, aventurine, amethyst: a small mineral collection all on its own.\u003c\/span\u003e\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n  \u003cdiv class=\"aa-b\"\u003e\n\n\u003cspan class=\"ic\"\u003e◆\u003c\/span\u003e\u003cdiv\u003e\n\n\u003cspan class=\"tt\"\u003eWell-chosen colors\u003c\/span\u003e\u003cspan class=\"ds\"\u003eEach stone was associated with its celestial body for its hue: blue Earth, red Mars, golden Jupiter.\u003c\/span\u003e\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n  \u003cdiv class=\"aa-b\"\u003e\n\n\u003cspan class=\"ic\"\u003e➤\u003c\/span\u003e\u003cdiv\u003e\n\n\u003cspan class=\"tt\"\u003eHierarchical sizes\u003c\/span\u003e\u003cspan class=\"ds\"\u003eFrom 1 cm for Pluto to 2.5 cm for Jupiter: the giants dominate, while the small planets remain discreet.\u003c\/span\u003e\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n  \u003cdiv class=\"aa-b\"\u003e\n\n\u003cspan class=\"ic\"\u003e★\u003c\/span\u003e\u003cdiv\u003e\n\n\u003cspan class=\"tt\"\u003eWooden box with clasp\u003c\/span\u003e\u003cspan class=\"ds\"\u003eLight wood, metal clasp, and black interior with nine compartments: every sphere has its place.\u003c\/span\u003e\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n  \u003cdiv class=\"aa-b\"\u003e\n\n\u003cspan class=\"ic\"\u003e❄\u003c\/span\u003e\u003cdiv\u003e\n\n\u003cspan class=\"tt\"\u003eAn educational aid\u003c\/span\u003e\u003cspan class=\"ds\"\u003eThe illustrated label on the lid helps memorize the order of the planets while having fun.\u003c\/span\u003e\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n  \u003cdiv class=\"aa-b\"\u003e\n\n\u003cspan class=\"ic\"\u003e❖\u003c\/span\u003e\u003cdiv\u003e\n\n\u003cspan class=\"tt\"\u003eEach item is unique\u003c\/span\u003e\u003cspan class=\"ds\"\u003eVeining and shades vary from one stone to another: no two boxes are exactly alike.\u003c\/span\u003e\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003ch3 class=\"aa-title\"\u003eNatural stones\u003c\/h3\u003e\n\n\u003cdiv class=\"aa-mat\"\u003e\n\n\u003ch3\u003eFrom quartz to amethyst: a mineral family\u003c\/h3\u003e\n\n\u003cp\u003eMost of the SIDÉRAL stones belong to the vast \u003cstrong\u003equartz\u003c\/strong\u003e family, the most common mineral in the Earth's crust. Clear quartz is its limpid form; \u003cstrong\u003eamethyst\u003c\/strong\u003e is its purple variety; \u003cstrong\u003eaventurine\u003c\/strong\u003e owes its sparkles to fine inclusions; \u003cstrong\u003etiger's eye\u003c\/strong\u003e displays the silky, shifting reflections known as chatoyancy. \u003cstrong\u003eAgates\u003c\/strong\u003e and \u003cstrong\u003ejasper\u003c\/strong\u003e are forms of microcrystalline quartz: the former are often banded, the latter opaque, and the so-called \"picture\" jasper features patterns that suggest distant horizons. \u003cstrong\u003eSodalite\u003c\/strong\u003e is a distinct mineral, recognizable by its deep blue traversed by white veins.\u003c\/p\u003e\n\n\u003cp\u003eBecause they are \u003cstrong\u003enatural stones\u003c\/strong\u003e, no sphere is a copy of another: the density of the veins, the intensity of the color, or the position of an inclusion change from one piece to another. The photos therefore present a typical box; the one you receive will have its own nuances. This is precisely what makes the charm of a stone solar system: a scientific object that retains something of the geology from which it originates.\u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003ch3 class=\"aa-title\"\u003eThe sky in a box\u003c\/h3\u003e\n\n\u003cdiv class=\"aa-des\"\u003e\n\n\u003cp class=\"t\"\u003eNine worlds in the palm of your hand\u003c\/p\u003e\n\n\u003cdiv class=\"x\"\u003e\n\n\u003cp\u003eSince antiquity, planets have been observed as \"wandering stars\" moving among the constellations. SIDÉRAL offers another way to approach them: through touch. One can pick up the \u003cstrong\u003etiger's eye sphere\u003c\/strong\u003e of Jupiter, the largest in the box, then the tiny \u003cstrong\u003eamethyst\u003c\/strong\u003e of Pluto, and measure in one gesture what separates the gas giants from the small rocky worlds.\u003c\/p\u003e\n\n\u003cp\u003eWith the box open, the nine spheres aligned on the black background form a line of colors that evokes a \u003cstrong\u003emodel of the solar system\u003c\/strong\u003e. Closed, it becomes a simple light wood box to store on a shelf, among astronomy books or travel souvenirs.\u003c\/p\u003e\n\n\u003cp\u003ePluto has kept its place: long counted among the planets, it was reclassified as a \u003cstrong\u003edwarf planet\u003c\/strong\u003e in 2006. An opportunity to explain that science, too, revises its classifications.\u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003ch3 class=\"aa-title\"\u003eUser guide\u003c\/h3\u003e\n\n\u003cdiv class=\"aa-steps\"\u003e\n\n\u003ch4\u003eDiscover the solar system in four steps\u003c\/h4\u003e\n\n  \u003cdiv class=\"aa-step\"\u003e\n\n\u003cspan class=\"aa-step-n\"\u003e1\u003c\/span\u003e\u003cdiv class=\"aa-step-c\"\u003e\n\n\u003cstrong\u003eOpen:\u003c\/strong\u003e place the box flat on a stable surface, release the metal clasp, and gently lift the illustrated lid.\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n  \u003cdiv class=\"aa-step\"\u003e\n\n\u003cspan class=\"aa-step-n\"\u003e2\u003c\/span\u003e\u003cdiv class=\"aa-step-c\"\u003e\n\n\u003cstrong\u003eIdentify:\u003c\/strong\u003e compare each sphere to the lid label and the table on this page to identify its celestial body and stone.\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n  \u003cdiv class=\"aa-step\"\u003e\n\n\u003cspan class=\"aa-step-n\"\u003e3\u003c\/span\u003e\u003cdiv class=\"aa-step-c\"\u003e\n\n\u003cstrong\u003eOrder:\u003c\/strong\u003e place the spheres back into the compartments starting from Mercury, the closest to the Sun, to Pluto, the most distant.\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n  \u003cdiv class=\"aa-step\"\u003e\n\n\u003cspan class=\"aa-step-n\"\u003e4\u003c\/span\u003e\u003cdiv class=\"aa-step-c\"\u003e\n\n\u003cstrong\u003eDisplay:\u003c\/strong\u003e leave the box open on a desk or shelf, or close it to protect the spheres from dust.\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003ch3 class=\"aa-title\"\u003eThings to know before buying\u003c\/h3\u003e\n\n\u003cdiv class=\"aa-info\"\u003e\u003cp\u003e\u003cstrong\u003eSizes not representative of true scale:\u003c\/strong\u003e the diameters of the spheres (1 to 2.5 cm) generally follow the order of magnitude of the celestial bodies, from largest to smallest, but not their proportions. At true scale, Jupiter would be about eleven times wider than Earth. The spacing between the compartments also does not represent the distances between the planets. The \u003cstrong\u003eSun\u003c\/strong\u003e is not part of the nine spheres.\u003c\/p\u003e\u003c\/div\u003e\n\n\n\u003cdiv class=\"aa-tip\"\u003e\u003cp\u003e\u003cstrong\u003eMaintenance advice:\u003c\/strong\u003e to restore the shine of the spheres, simply wipe them with a \u003cstrong\u003esoft, dry cloth\u003c\/strong\u003e. Avoid household products and impacts: a natural stone can chip if it falls on a hard floor. Place each sphere back in its compartment after handling, with the box closed, so that none go missing.\u003c\/p\u003e\u003c\/div\u003e\n\n\n\u003cdiv class=\"aa-warn\"\u003e\u003cp\u003e\u003cstrong\u003eSmall objects:\u003c\/strong\u003e the smallest spheres are 1 to 1.4 cm in diameter and can be swallowed. Keep the box \u003cstrong\u003eout of reach of young children\u003c\/strong\u003e and let older ones explore it under adult supervision. The spheres are not toys to be thrown or put in the mouth.\u003c\/p\u003e\u003c\/div\u003e\n\n\n\u003ch3 class=\"aa-title\"\u003eSpecifications\u003c\/h3\u003e\n\n\u003cdiv class=\"aa-sp\"\u003e\u003ctable\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eType\u003c\/td\u003e\n\n\u003ctd\u003eNatural stone solar system, educational decoration\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eNumber of spheres\u003c\/td\u003e\n\n\u003ctd\u003e9 (eight planets and Pluto)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eDiameters\u003c\/td\u003e\n\n\u003ctd\u003eFrom 1 cm (Pluto) to 2.5 cm (Jupiter)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eStones\u003c\/td\u003e\n\n\u003ctd\u003eClear quartz, picture jasper, sodalite, red agate, tiger's eye, so-called \"yellow jade,\" aventurine, blue agate, amethyst\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eScale\u003c\/td\u003e\n\n\u003ctd\u003eSizes not representative of real scale\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eBox\u003c\/td\u003e\n\n\u003ctd\u003eLight wood, metal clasp\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eInterior\u003c\/td\u003e\n\n\u003ctd\u003eBlack, 9 aligned compartments\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eLid\u003c\/td\u003e\n\n\u003ctd\u003eIllustrated label of the 9 celestial bodies\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eAppearance\u003c\/td\u003e\n\n\u003ctd\u003eShades and veining vary from one piece to another\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003eContents\u003c\/td\u003e\n\n\u003ctd\u003e9 natural stone spheres, wooden box with clasp\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/table\u003e\u003c\/div\u003e\n\n\n\u003ch3 class=\"aa-title\"\u003eA scientific gift idea\u003c\/h3\u003e\n\n\u003cdiv class=\"aa-gift\"\u003e\n\n\u003ch3\u003eA gift for those curious about the sky\u003c\/h3\u003e\n\n\u003cp\u003eA birthday for a child passionate about space, Christmas for a mineral collector, a retirement party for a colleague who gazes at the stars: SIDÉRAL is appealing because it is both beautiful and educational. Its wooden box with a clasp gives it the look of a well-crafted gift, ready to be placed under the tree.\u003c\/p\u003e\n\n\u003cp\u003eTo extend the journey, pair it with another astronomy object or a collector's stone. Also find all our ideas in our selections for \u003ca href=\"\/en\/collections\/idees-cadeaux-noel\"\u003eChristmas gifts\u003c\/a\u003e, \u003ca href=\"\/en\/collections\/idees-cadeaux-anniversaire\"\u003ebirthday gift ideas\u003c\/a\u003e, and \u003ca href=\"\/en\/collections\/cadeau-depart-retraite\"\u003eretirement gifts\u003c\/a\u003e.\u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"aa-links\"\u003e\n\n\u003ca class=\"aa-link\" href=\"\/en\/collections\/astronomie-et-cartographie\"\u003e\u003cspan class=\"lt\"\u003eAstronomy and cartography\u003c\/span\u003e\u003cspan class=\"ld\"\u003eGlobes, planets, and objects to explore the sky and Earth\u003c\/span\u003e\u003c\/a\u003e\n\u003ca class=\"aa-link\" href=\"\/en\/products\/systeme-solaire-magnetique-a-energie-solaire-anneaux-rotatifs-helia\"\u003e\u003cspan class=\"lt\"\u003eHELIA magnetic solar system\u003c\/span\u003e\u003cspan class=\"ld\"\u003eRotating rings set in motion by solar energy\u003c\/span\u003e\u003c\/a\u003e\n\u003ca class=\"aa-link\" href=\"\/en\/collections\/mineraux-et-chimie\"\u003e\u003cspan class=\"lt\"\u003eMinerals and chemistry\u003c\/span\u003e\u003cspan class=\"ld\"\u003eRough stones, crystals, and experiments for geology enthusiasts\u003c\/span\u003e\u003c\/a\u003e\n\u003ca class=\"aa-link\" href=\"\/en\/products\/mineraux-bruts-a-collectionner-pierres-naturelles-a-l-unite-ou-en-sachet-lithos\"\u003e\u003cspan class=\"lt\"\u003eLITHOS raw minerals\u003c\/span\u003e\u003cspan class=\"ld\"\u003eNatural stones to collect, individually or in pouches\u003c\/span\u003e\u003c\/a\u003e\n\n\u003c\/div\u003e\n\n\n\u003ch3 class=\"aa-title\"\u003eFrequently asked questions\u003c\/h3\u003e\n\n\u003cdiv class=\"aa-faq\"\u003e\n\n\u003cdetails class=\"aa-q\"\u003e\u003csummary\u003eWhich stones make up this stone solar system?\u003c\/summary\u003e\u003cdiv class=\"aa-a\"\u003eThe box brings together nine different stones, one for each celestial body. \u003cstrong\u003eMercury\u003c\/strong\u003e is clear quartz, \u003cstrong\u003eVenus\u003c\/strong\u003e is picture jasper, \u003cstrong\u003eEarth\u003c\/strong\u003e is sodalite, \u003cstrong\u003eMars\u003c\/strong\u003e is red agate, \u003cstrong\u003eJupiter\u003c\/strong\u003e is tiger's eye, \u003cstrong\u003eSaturn\u003c\/strong\u003e is a yellow stone sold as \"yellow jade,\" \u003cstrong\u003eUranus\u003c\/strong\u003e is aventurine, \u003cstrong\u003eNeptune\u003c\/strong\u003e is blue agate, and \u003cstrong\u003ePluto\u003c\/strong\u003e is amethyst. Each stone has been associated with its celestial body for its color, making the set easy to read at a glance. The table at the top of the page summarizes the stones, celestial bodies, and diameters of each sphere.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"aa-q\"\u003e\u003csummary\u003eAre the planets to scale?\u003c\/summary\u003e\u003cdiv class=\"aa-a\"\u003eNo. The spheres measure from \u003cstrong\u003e1 cm\u003c\/strong\u003e (Pluto) to \u003cstrong\u003e2.5 cm\u003c\/strong\u003e (Jupiter): they generally follow the order of sizes, from giants to small planets, but \u003cstrong\u003enot the real proportions\u003c\/strong\u003e. In reality, Jupiter is about eleven times wider than Earth; at this scale, the small planets would be almost invisible next to the giants. The choice of similar sizes allows nine spheres to be kept in a desktop box. The spacing between the compartments does not represent the distances between the planets either. SIDÉRAL is a \u003cstrong\u003edecorative and educational model\u003c\/strong\u003e, not a scale model.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"aa-q\"\u003e\u003csummary\u003eWhy is Pluto included in the box?\u003c\/summary\u003e\u003cdiv class=\"aa-a\"\u003ePluto was considered the ninth planet of the solar system until \u003cstrong\u003e2006\u003c\/strong\u003e, when the International Astronomical Union reclassified it as a \u003cstrong\u003edwarf planet\u003c\/strong\u003e. Many representations of the solar system continue to include it, by tradition and because it remains a fascinating celestial body. In SIDÉRAL, it is represented by the smallest sphere, in \u003cstrong\u003eamethyst\u003c\/strong\u003e, one centimeter in diameter. It is an excellent starting point for explaining to a child or a curious person what distinguishes a planet from a dwarf planet, and how scientific classifications evolve with new discoveries.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"aa-q\"\u003e\u003csummary\u003eWill my box be identical to the photos?\u003c\/summary\u003e\u003cdiv class=\"aa-a\"\u003eIt will be consistent in its composition: \u003cstrong\u003enine spheres\u003c\/strong\u003e in the same stones and with the same diameters, the same light wood box with a clasp, and the same nine-compartment interior. However, \u003cstrong\u003enatural stones\u003c\/strong\u003e are never identical. The shade of an agate, the pattern of a picture jasper, or the reflections of a tiger's eye vary from one piece to another. Your box will therefore have its own \u003cstrong\u003enuances and veining\u003c\/strong\u003e, slightly different from those in the photos. This is the nature of objects made from minerals, and what makes each item unique.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"aa-q\"\u003e\u003csummary\u003eIs it a good scientific gift for a child?\u003c\/summary\u003e\u003cdiv class=\"aa-a\"\u003eSIDÉRAL is very popular with children interested in space: handling the spheres, identifying them using the \u003cstrong\u003eillustrated label\u003c\/strong\u003e on the lid, and putting them back in order is a concrete way to learn the names of the planets. However, keep in mind that the smallest spheres can be swallowed: the box must remain \u003cstrong\u003eout of reach of young children\u003c\/strong\u003e and be used under \u003cstrong\u003eadult supervision\u003c\/strong\u003e. For an older child, a teenager, or an adult, it is a desk object that will long accompany a passion for astronomy or geology.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"aa-q\"\u003e\u003csummary\u003eHow do I care for the stone spheres?\u003c\/summary\u003e\u003cdiv class=\"aa-a\"\u003eCare is very simple. Wiping them with a \u003cstrong\u003esoft, dry cloth\u003c\/strong\u003e is enough to remove dust and fingerprints. Do not use household products, alcohol, or abrasives, which could damage the surface of the spheres. Above all, avoid \u003cstrong\u003edrops on a hard floor\u003c\/strong\u003e: even if solid, a natural stone can chip or crack under impact. After handling, place each sphere back in its compartment and \u003cstrong\u003eclose the box\u003c\/strong\u003e if you are not displaying it: this protects them from dust and prevents one from going missing.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails class=\"aa-q\"\u003e\u003csummary\u003eWhat other astronomy objects can be paired with SIDÉRAL?\u003c\/summary\u003e\u003cdiv class=\"aa-a\"\u003eTo set up an astronomy corner on a desk, SIDÉRAL pairs well with the \u003cstrong\u003eHELIA magnetic solar system\u003c\/strong\u003e, whose rings spin using solar energy, or with the \u003cstrong\u003eASTRALIS celestial orbit sculpture\u003c\/strong\u003e, which is more decorative. For the Earth, the \u003cstrong\u003ePERIPLE cork globe\u003c\/strong\u003e allows you to pin your travels. For mineral enthusiasts, the \u003cstrong\u003eLITHOS raw stones\u003c\/strong\u003e extend the discovery of the box's quartz and agates. All these objects are gathered in our \u003ca href=\"\/en\/collections\/astronomie-et-cartographie\"\u003eastronomy and cartography\u003c\/a\u003e collection and, more broadly, in \u003cstrong\u003eThe Lab\u003c\/strong\u003e, our section for scientific objects.\u003c\/div\u003e\u003c\/details\u003e\n\n\u003c\/div\u003e\n\n\n\n\u003c\/div\u003e\n","brand":"Atelier Atypique","offers":[{"title":"Default Title","offer_id":54905645728067,"sku":"AA-SIDERAL","price":39.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0231\/3365\/0991\/files\/Saf75425ae35244939d25a697d52071e2l.png?v=1791903347","url":"https:\/\/atelierproatypique.com\/en\/products\/systeme-solaire-en-pierres-naturelles-9-spheres-en-coffret-bois-sideral","provider":"Atelier Atypique","version":"1.0","type":"link"}