Avatar of astronomer Thomas Wevers at the Magellan telescopes in Las Campanas Observatory

Image to celebrate Asteroid Day 2020. It includes a cartoon of Dr Brian May, co-founder of this day.

Digital self-portrait

Alien

Artist impression of an exoplanet

Black Hole

Cartoon of Neptune

Cartoon of Uranus

Cartoon of Saturn

Cartoon of Jupiter

Cartoon of Mars

Cartoon of Venus

Cartoon of Mercury

Hubble