Astronomers study the Universe by capturing light from stars, planets, and galaxies. But they can also study nearby objects by shining radio light on them. It’s a process known as astronomical radar, and it’s revealing fascinating details about our planetary neighbors. Writing and narration provided by Phil Plait @SYFY Discover more about astronomical radar from the original press release: https://public.nrao.edu/news/radar-tycho-crater-intricate-detail/

Credit: