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The Solar System

The Solar System Funding support for outreach programs provided by the Utah State Legislature and the Utah State Board of Education Commonly Confused Terms Solar System Our star (Sun) and everything that orbits around it (planets, asteroids, comets, etc.) Galaxy

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The Solar System

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  1. The Solar System Funding support for outreach programs provided by the Utah State Legislature and the Utah State Board of Education

  2. Commonly Confused Terms • Solar System • Our star (Sun) and everything that orbits around it (planets, asteroids, comets, etc.) • Galaxy • Huge collection of stars bound together by gravity (the Sun is 1 star among 100-400 billion stars in the Milky Way galaxy) • Universe • Everything (~100 billion galaxies)

  3. What objects make up theSolar System? The following tour shows objects in the solar system ordered by mass.

  4. Sun Has about 99.86% of the MASS in the solar system Courtesy of SOHO/EIT consortium. SOHO is a project of international cooperation between ESA and NASA.

  5. Sunspots Credit: Royal Swedish Academy of Sciences

  6. Jupiter has about 0.1% of the MASS in the solar system Everything else together has only about 0.04% of the MASS in the solar system NASA/JPL/Space Science Institute

  7. Jupiter Composition: 86% Hydrogen 13% Helium Jupiter has many objects in orbit around it (current count = 63) NASA/JPL/Space Science Institute

  8. Jupiter Most satellites orbit far away from Jupiter and are probably captured asteroids Credit: University of Hawaii, Institute for Astronomy

  9. Saturn Composition: 90% Hydrogen 9% Helium Credit: NASA, ESA and E. Karkoschka (Univesity of Arizona)

  10. Neptune Neptune has 8 known moons Largest moon Triton is in a retrograde orbit Courtesy: NASA/JPL-Caltech

  11. Uranus Composition: 83% Hydrogen 15% Helium Uranus has an axial tilt of 98˚ Courtesy: NASA/JPL-Caltech

  12. Earth Temperature and pressure allow water to exist as a liquid at the surface Courtesy: NASA/JPL-Caltech

  13. Venus Venus has 82% of the mass of Earth and is covered with white clouds of sulfuric acid Courtesy: NASA/JPL-Caltech

  14. Venus Surface Temperature: 864˚ F Credit: NASA/NSSDC

  15. Mars

  16. Mars Courtesy: NASA/JPL-Caltech

  17. Mercury Although it is smaller in size than Ganymede and Titan, Mercury has more mass of both of these moons combined. Credit: NASA/Johns Hopkins University Applied Physics Laboratory/ Carnegie Institution of Washington

  18. MoonsSeven moons have more mass than Pluto Ganymede (Jupiter) Titan (Saturn) Callisto (Jupiter) Io (Jupiter) Moon (Earth) Europa (Jupiter) Triton (Neptune) Courtesy: NASA/JPL-Caltech

  19. Eris is the largest dwarf planet in the Solar System. Eris has 1.27 times the mass of Pluto. Eris Credit: NASA ,ESA , and M. Brown (California Institute of Technology)

  20. Pluto, the second largest dwarf planet, is one of the largest objects in a belt of objects that orbit the Sun beyond Neptune. Pluto Credit: Allen Stern (Southwest Research Institute), Mark Buie (Lowell Observatory), NASA and ESA

  21. The Kuiper Belt Thousands of icy objects orbit the Sun beyond Neptune in a region commonly called the Kuiper Belt. ______ Pluto Orbit ________ Neptune Orbit Credit: NASA/Johns Hopkins University Applied Physics Laboratory

  22. Dysnomia Eris Makemake Haumea Credit: NASA, ESA, and A. Field (STScI)

  23. Comets NASA/NSSDC/W. Liller Astronomers think that many comets originate in the Kuiper Belt Courtesy: NASA/JPL-Caltech

  24. Asteroids Eros Courtesy: NASA/JPL-Caltech

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