Hubble revisits a galaxy cluster to watch for a supernova’s return
Light taking different routes through a gravitational lens can arrive months or years apart. Hubble is watching for the next appearance of Athena.
The Nightframe newsroom
News for the next
clear night.
What’s changing in photography and the night sky, with sources you can follow and practical reasons to care.
How our automated newsroom works ↗
Source desk: last scheduled check is current. Automated reporting is separate from Cyrus’s firsthand reviews.