1) The Solar System consists of planets that orbit the Sun, what is this called? a) earth centered b) sun centered 2) Planets move around the Sun in a ____________ orbit. a) circular b) elliptical 3) The closest distance to the sun is called... a) aphelion b) perihelion 4) The biggest distance from the sun is called... a) aphelion b) perihelion 5) How many stars are in our Solar System? a) 4 b) 3 c) 2 d) 1 6) Name the terrestrail planets (inner planets) in order from the Sun: a) Mercury-Earth-Mars-Venus b) Mars- Venus- Earth- Mercury c) Mercury-Venus-Earth- Mars 7) Name the Jovian planets (outer planets) in order from the Sun: a) Jupiter-Saturn-Uranus-Neptune b) Jupiter-Uranus-Saturn-Neptune c) Saturn-Jupiter-Uranus-Neptune 8) What lies past Neptune's orbit? It's where the dwarf planet exists. a) Leather Belt b) Kuiper Belt c) Oort Cloud 9) The boundary of the Sun's gravitational influence is called.. a) Cumulus Cloud b) Oort Cloud c) heliopause 10) What is the rotation of a planet? a) spinning on their axis b) revolving on their axis 11) What is the revolution of a planet? a) The planet's movement around the Sun b) The planet's movement around its axis 12) What is a meteor? a) a type of rock found on Earth b) a streak of light produced by a meteoroid c) space rock that burns up in Earth's atmosphere 13) What is a meteorite?  a) A type of comet with a rocky composition b) Space rock that hits the Earth or moon or other planets c) a type of space craft 14) What are asteroids? a) different size rocky or metallic objects that orbit the sun b) massive planets in our solar system c) moons orbiting gas giants 15) Which one describes inner planets? a) smaller, denser, rocky, close to the sun b) rings, more moons, longer time to orbit, gaseous 16) Which one describes outer planets? a) smaller, denser, rocky, close to the sun b) moons, longer time to orbit, gaseous 17) Similarities or differences among inner and outer planets: Orbit the sun, Rotate, have a core, Spherical a) Similararities b) Differences 18) How many natural satellites does Earth have? a) 4 b) 3 c) 1 19) What does the Lunar Impact Theory State?  a) The Moon was created by a series of volcanic eruptions on Earth's surface. b) The Moon was formed from the remnants of a collision between the Earth and a Mars-sized body early in the history of the solar system. c) The Moon was formed independently from the Earth, but captured by its gravitational pull. 20) Why is there no erosion on the Moon's surface? a) There is no condition for erosion, like water b) The Moon's surface is too cold for erosion to occur. c) he Moon's surface is constantly replenished by volcanic activity, preventing erosion 21) You will need to label the moon phases: Which one is the correct order? a) First Quarter, Waxing Crescent, New moon, Waning Crescent, Third Quarter, Waning Gibbous, Full Moon, Waxing Gibbous b) First Quarter, Waning Crescent, New Moon, Waxing Crescent, Third Quarter, Waxing Gibbous, Full, Waning Gibbous

Astronomy Test

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