Chpt. 24, The Solar System

Saturn
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Terms in this set (38)
Saturn
Planet with the lowest density and hundreds of thin rings
Eliptical
Johannes Kepler discovered that the orbits of planets are?
Venus
A planet that is very hot and has sulfuric acid in its clouds.
Io
The closest moon to Jupiter, it is volcanically active.
Uranus's
Unlike the other planets, ___ axis of rotation is almost parallel to the plane of its orbit.
Venus and Earth
Two planets with similar mass and size are
Earth
The planet that averages 150 km. or one AU from the sun.
Ganymede
largest moon in the solar system
Mars
The largest known volcano in the solar system is an extinct volcano known as Olympus Mons found on the planet?
Mercury
The second smallest and the one closest to the sun.
MarsA planet that appears reddish-yellow due to iron oxide in its rocks is?Saturn'sThe largest of _____ moons, Titan is larger than the planet Mercury.NeptuneAT times, the planet_____ is actually farthest planet from the sun.JupiterThe Great Red Spot, a continuous storm is located on this planet.Uranus and NeptuneMethane gives _________ their blue-green color.Nucleusthe solid inner core of a cometComaThe fuzzy outer layer of a cometMeteoroidsA chunk of rock or dust in spaceMercury and marsTwo of the inner planets are________.Jupiterlargest planetCopernicusDevised a model of the universe with the Sun at the center, and not earth.MeteorsThe streak of light produced when a small object burns up entering Earth's atmosphere. Also called shooting stars.MeteoritesA meteoroid that passes through the atmosphere and hits Earth's surface.Mars and JupiterThe asteroid belt is located betweenJupiter's gravity kept it from formingScientists theorize that the asteroid belt did not form a planet becauseJupiterFirst planet in the outer planetsGreat red spot, faint rings, volcanic activity on IO,Characteristics of JupiterNeptuneIf you were traveling through the outer planets which planet would be last.Giant dark spot, Moons, Several rings.Characteristics of NeptuneSaturnsecond-largest and sixth planet from the Sun; has a complex ring system, at least 31 moons, and a thick atmosphere made mostly of hydrogen and heliumDense atmosphere and thick cloud cover.Why can't we see the surface of Titan.Solar energy traps gasses in the atmosphereWhat causes the greenhouse effect on venus and earth.A star exploded.What is one theory about how the sun formed.The earth was the center of the solar system.What was the theory of the earth centered solar system.Pluto is much smaller than the other planets.Pluto was once classified as a planet. Now it is classified as a dwarf planet.They are hoping to learn about the history of the solar system.Why do scientists study comets, meteoroids and asteroids.Inner planet rock solids and outer planets gaseous.What is different about the formation of the inner and outer planets.Because of the sun's gravitational pull.Why do planets orbit the sun?