NASA/Salvatore Orlando
Filters
A nova is a star that suddenly becomes tens to hundreds of times brighter, then fades to its former brightness…
On February 23, 1987, astronomers noticed a new source of light in the Large Magellanic Cloud (LMC), a small satellite…
Over 1,000 years ago ancient observers were treated to the celestial fireworks display of this exploded star without understanding its…
The Cygnus Loop (also known as the Veil Nebula) is a supernova remnant, the remains of the explosive death of…
This is a rare type of supernova remnant observed to contain large amounts of oxygen. The X-ray image of G292.0+1.8…
This 3D model shows a star less than 10 million years old that is surrounded by a disk of material.…
-(2025)/Cassiopeia%20A%20Supernova%20(C)%20(2025).png?fit=clip&crop=faces%2Cfocalpoint&w=300)
Cassiopeia A from data obtained by the Chandra X-Ray Observatory while looking at iron. Data Credits: Orlando, S. et al.,…
-(2023)/Cassiopeia%20A%20Supernova%20(B)%20(2023).png?fit=clip&crop=faces%2Cfocalpoint&w=300)
Using NASA’s James Webb Space Telescope, astronomers uncovered a mysterious feature within the remnant, nicknamed the “Green Monster,” alongside a…
A young star, DG Tau, is located about 450 light years from Earth. Material can fall onto such a developing…
