U.S. · SCIENCE
August 2, 20227 min read, 1480 words
Published: August 2, 2022 | 7 min read, 1480 words
Imagine that you’re an astronomer in the early years of the 17th century. The telescope hasn’t yet been invented, so you scan the night sky only with the unaided eye. Then one day you see a remarkable sight: A bright new star appears, and for the next few weeks it outshines even ...