NASM copy Purchased with Adopt-a-Book funds. Contents Preface: The dawn-light of Ravenna -- On the hilltop -- To the lighthouse -- The city of stars -- Poetry and sunspots -- "Black star-lore" -- ...
Astronomers have sought to explain the existence of supermassive black holes forming less than a billion years after the Big Bang, a timescale incompatible with standard stellar evolution processes.
The most distant and earliest "dead" massive galaxy ever seen shows some galaxies lived fast and died young shortly after the Big Bang. When you purchase through links on our site, we may earn an ...
Astronomers have used a continent-sized radio telescope to find the largest black hole jet ever observed in the early universe. When you purchase through links on our site, we may earn an affiliate ...
"A bit like dinosaurs on Earth — they were enormous and primitive. And they had short lives, living for just a quarter of a million years." When you purchase through links on our site, we may earn an ...
Living in today’s age of ambitious robotic exploration of Mars, with an eventual human mission to the red planet likely to happen one day, it is hard to imagine a time when Mars was a mysterious and ...