Penny Wozniakiewicz

Planetary scientist

Dr Penny Wozniakiewicz is a planetary scientist and space dust expert based at the University of Kent.

Recent articles by Penny Wozniakiewicz

Why is Mars known as the Red Planet?

Why is Mars red?

NASA scientists analyse one of the Ryugu samples that have been distributed around the world.

Why do astronomers study samples from other worlds?

A composite image showing multiple Perseid meteors over Big Bend National park, 14 August 2016. Credit: Jason Weingart / Barcroft Media via Getty Images / Barcroft Media via Getty Images

What causes a meteor shower?