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Astronomy: part 1
Question | Answer |
---|---|
____________________ 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 |