Basic Astronomy

15 Points Per Correct Answer - No time limit  

1. Which planet is considered Earth's 'sister' planet? Mars Mercury Pluto Venus

2. Which constellation has the star Sirius in it? Canis Major Orion Ursa Major Gemini

3. What are the twin stars in the constellation Gemini called? Arcturus and Polaris Rigel and Procyon Pollux and Castor Regulus and Sirius

4. Rigel and Betelgeuse are stars of what constellation? Gemini Canis Major Leo Orion

5. Why do we have a leap year once every four years? Because a year is about 365.25 days Nobody knows The Earth gets shifted slightly out of orbit every four years Our revolution slows down a little once every four years

6. Do all of the outer planets have at least one moon? Yes No

7. Which of these has no 'rings'? Saturn Pluto Uranus Jupiter

8. Triton is a moon of which planet? Uranus Neptune Mars Saturn

9. Which of these is not a sign of the Zodiac? Virgo Leo Scorpio Orion

10. Which of these is not a layer of the Sun? Mantle Photosphere Chromosphere Convective zone