supernova
How a Nearby Supernova Left its Mark on Earth Life
When a massive star explodes as a supernova, it does more than release an extraordinary amount of energy. Supernovae explosions…
Only Hubble Could Make this Measurement of a Supernova
Calculating the distance to far-away objects, such as galaxy clusters and quasars, is difficult. But it is also critical to…
Supernovae: Why study them? What can they teach us about finding life beyond Earth?
Universe Today has recently investigated a myriad of scientific disciplines, including impact craters, planetary surfaces, exoplanets, astrobiology, solar physics, comets,…
Something’s Always Been Off About the Crab Nebula. Webb Has Revealed Why!
The Crab Nebula has always fascinated me, albeit amazed me that it doesn’t look anything like a crab! It’s the…
Earth’s Atmosphere is Our Best Defence Against Nearby Supernovae
Earth's protective atmosphere has sheltered life for billions of years, creating a haven where evolution produced complex lifeforms like us.…
The Nearby Star Clusters Come from Only Three Places
Many astronomy-interested people know of the Hyades and the Pleiades. They're star clusters in the Taurus constellation. They're two out…
Hundreds of Massive Stars Have Simply Disappeared
The lifecycle of a star is regularly articulated as formation taking place inside vast clouds of gas and dust and…
First Light from Einstein Probe: A Supernova Remnant
On 9 January 2024, the Einstein probe was launched, its mission to study the night sky in X-rays. The first…
The Brightest Gamma Ray Burst Ever Seen Came from a Collapsing Star
After a journey lasting about two billion years, photons from an extremely energetic gamma-ray burst (GRB) struck the sensors on…
This Supernova Lit Up the Sky in 1181. Here’s What it Looks Like Now
Historical astronomical records from China and Japan recorded a supernova explosion in the year 1181. It was in the constellation…