Topic

Supernovae

Explosive stellar deaths bright enough to be observed across cosmological distances and widely used as distance markers.

Current clusters

science2 publishers

Hubble spent the day of its 200,000th orbit watching for a supernova to return

NASA pointed the telescope at galaxy cluster MACS J0417 on September 19 to catch a second appearance of supernova Athena, predicted before early March 2027, and the timing would constrain both the cluster's mass and the expansion rate.

Publishers:nasa.govphys.org

Reality

Evidence58
Adoption66
Hype gap+12
Incentives62
Confidence70