GAINESVILLE, Fla. — You could say that the odds of seeing it were astronomical. Yet there it was, 10 billion light-years from Earth, the most massive galaxy cluster ever seen […]
Covering the business and politics of space
GAINESVILLE, Fla. — You could say that the odds of seeing it were astronomical. Yet there it was, 10 billion light-years from Earth, the most massive galaxy cluster ever seen […]