太陽系
八つの惑星と一つの恒星、そして実際の縮尺ではどんな画面にも収まらないほどの距離。3Dモデルを回し、実際の縮尺に切りかえて、本当の数値で惑星を比べてみましょう。
進み具合
このコースの出典 (12)
- NASA Planetary Fact Sheet and per-planet fact sheets (nssdc.gsfc.nasa.gov/planetary/factsheet/)
- NASA Sun facts (science.nasa.gov/sun/facts)
- NASA Ceres facts (science.nasa.gov/dwarf-planets/ceres/facts)
- NASA History: Herschel and Uranus (nasa.gov/history/240-years-ago-astronomer-william-herschel-identifies-uranus-as-the-seventh-planet)
- NASA History: discovery of Neptune (nasa.gov/history/175-years-ago-astronomers-discover-neptune-the-eighth-planet)
- NASA History: Galileo discovers Jupiter's moons (nasa.gov/history/410-years-ago-galileo-discovers-jupiters-moons)
- NASA Voyager Planetary Voyage (science.nasa.gov/mission/voyager/planetary-voyage)
- JPL Voyager 2 (jpl.nasa.gov/missions/voyager-2)
- JPL Juno press kits (jpl.nasa.gov/news/press_kits/JunoLaunch.pdf, juno-lores.pdf)
- NASA Juno (nasa.gov/juno)
- Lowell Observatory history via Astronomy.com (astronomy.com/today-in-the-history-of-astronomy/feb-18-1930-discovery-of-pluto)
- IAU Resolution B5 (2006).
確認日: 2026-10-17