Jennifer Perez

Latest Articles

Why can't a protostar immediately collapse into a star?

What is an astralabe used for?

What rocks have mercury in them?

Why is reproducibility essential in experiments?

How do scientists know how big the Earth is?

Do you feel pain in zero gravity?

Are we technically made of stardust?

What was Pierre-Simon Laplace's theory?

What are the models of the universe?

How does a giant star die?