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Astronomy: part 1

QuestionAnswer
____________________ give us specific information about the planets that they orbit. Planetary orbiters
What is the Sun mostly made up of? Hydrogen and Helium
What two planets don't have moons? Mercury and Venus
What happens during a Lunar Eclipse? The Sun blocks the Moon
What happens during a Solar Eclipse? The moon blocks Sun
Who was first man to walk on the moon? Neil Armstrong
What does the Impact Theory state? An object hit the Earth and material from inside the Earth was ejected out into space and this material formed the Moon
When is the Spring (Vernal) Equinox? March 21
When is the Fall (Autumnal) Equinox? September 21
When do equinoxes occur? When the Sun is directly over the Equator
When is the Winter Solstice? December 21
When is the Summer Solstice? June 21
What happens during a solstice? The Sun is at the most northern point or at its most southern piont
All planets are __________. Ellipses
What are meteoroids? Left over pieces of a comet's tails floating in space
What is a meteor called when it hits the Earth? Meteorite
What is a comet made of? Frozen gases
What is Pluto considered? A dwarf planet
What planet has Big Red Spot, which indicates a huge storm? Jupiter
Mars and Mercury don't have what on their planets? Tectonic activity
What are the two types of planets in our solar system? Small, rocky, high density inner planets & large, gaseous, low density planets
What are asteroids? Pieces of a broken planet
Where is the Asteroid Belt located? Between Mars and Jupiter
What is the order of the planets from the Sun? 1. Mercury, 2. Venus, 3. Earth, 4. Mars, 5. Jupiter, 6. Saturn, 7. Uranus, 8. Neptune
Created by: littleduck14
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