Basic Astronomy

15 Points Per Correct Answer - No time limit  

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

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

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

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

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'? Jupiter Saturn Pluto Uranus

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

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

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