What's is the Universe made of?
Look around and you might believe that the universe is made entirely of matter – substances that have mass and take up space. We see it almost everywhere.

The Universe
Cosmology is the study of the Universe. It doesn't look at small objects, like stars or planets. It investigates the Universe on a large scale.

Understanding our Universe
The universe has always amazed people. Over time, our understanding of stars and galaxies has changed a lot.

Ricardo Schiavon
Early Life
Ricardo was born in Rio de Janeiro, Brazil. His first degree in astronomy is from the Federal University of Rio de Janeiro. Then in 1993, he got a master's degree from the Observatório Nacional in Brazil. Ricardo moved to the University of São Paulo, Brazil to work on a PhD. He was awarded his PhD in 1998.
Research Areas: Galaxy formation, Observational astronomy
"I consider myself extremely lucky to be where I am, do what I do, and to be surrounded by so many amazing people here in Liverpool."
Mario Hamuy
Early Life
Mario was born in Chile. Although his dad was a politician Mario found a love for science. He got degrees in physics and astronomy from the University of Chile.
Year born: 1960
Research Areas: Observational Astronomy, Supernovae, Cosmic Distances
Create An Expanding Universe
Timeline of Astronomy
Did you know that our understanding of science and space had gradually been built over thousands of years? Discover the people from the past whose observations and experiments helped us understand our Solar System and
Astronomical Influencers Quiz
Test your astronomy knowledge while learning about the who's who of ancient to present day astronomy!