astronomy articles - Page: 15
What factor determines how a star dies?
What are the three parts of the galaxy?
What is the frozen ice in space?
How do astronomers measure the size of planets?
Is the Sun actually a star yes or no?
Is every galaxy a spiral?
What will happen if two galaxies collide?
Is the Milky Way a universe or galaxy?
What unit is used to measure planets?
What is the reason that planetary nebulae are visible?
Why don't stars fall out of the sky?
Why is hydrogen so important to the universe?
Where will the Geminids meteor shower be visible?
What is a supernova called?
What determines what happens to a star at the end of its life?
What stars are good for life?
What are Geminid meteors?
What is a cosmic cloud called?
Which galaxy is disk-shaped?
Why do red supergiants explode?
Why do all stars contain hydrogen?
What is the explosion of a red giant called?
Are elliptical galaxies disc-shaped?
