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Science-Astronomy
Astronomy Unit 8th Grade
Question | Answer |
---|---|
Three types of galaxies | Spiral, Irregular, and Elliptical |
The star of our solar system is located where | In the spiral arms |
Two types of planets | Gaseous and solid and terrestrial and rocky surface |
What a moon does around a planet | Orbit |
Asteroids are between what? | Mars and Jupiter |
Explain the parallax shift. | Stars moving away from each other |
What decreases in a star as it gets older? | Hydrogen |
What measurement is used in space? | Light Year |
What is caused by gravity? | Tides and planetary orbits |
How many days does it take for the moon to rotate on it's axis? | 27 days |
What is the longest day in the Norther Hemisphere? | June 21st |
What two things control gravity? | Mass and distance |
How many days does it take for the moon to complete one cycle of phases? | 29.5 days |
What does the Earth do as it evolves around the Sun? | It rotates on its axis |
Layer of the sun that we see from Earth. | Photosphere |
Prominences | Huge arch-like loops from the photosphere |
Reflecting Telescope | Uses mirrors to focus light rays to produce images. |