astronomy articles - Page: 18
What are SI units in astronomy?
What makes a planet a habitable zone?
What unit of measurement do astronomers use?
What are the best conditions for viewing Mars?
What's it called when rocks fall from the sky?
What force causes the nebula to contract?
What are the units used in space?
How do astronomers determine the size of a planet using the transit technique?
How do astronomers think the four Galilean moons of Jupiter formed?
What is a rock that falls from space?
Why do you think that the Galilean moons were the first objects to be discovered?
Why do planetary nebulas have so many different shapes?
How did Galileo's discovery of the Galilean moons of Jupiter impact our understanding of the universe?
In which of the following cases would the transit method be used?
Why are stars called dwarfs?
What is the difference between a planetary and a diffuse nebula?
What is the problem with exoplanets?
What are the main characteristics of Jupiter?
What are the gases in a nebula?
What is the stellar period?
What do stellar cycles mean?
What are the two most abundant gases in a nebula?
How many arms does our galaxy have?
