June Merriman

Latest Articles

What makes a planet a habitable zone?

What unit is used to measure planets?

What happens to a star's core during a supernova?

What stars are good for life?

How many galaxies are there in the cosmos universe?

What does it mean when a star is big and bright?

What is the barrier between Earth and space called?

How does SpaceX get its methane?

What stars have the shortest lifespan?