Chandra X-ray Observatory

Planets Make it Harder to Figure out a Star’s age

Estimating stellar age has always been a challenge for astronomers. Now, a certain class of exoplanets is making the process…

3 months ago

Chandra’s X-ray Vision Combined With JWST Reveals Even More Details About the Universe

NASA scientist have released images combining the early data from the James Webb Space Telescope with X-ray data taken with…

3 months ago

Supernova Remnant Cassiopeia A is Lopsided

Cassiopeia A is the remnant of a supernova that exploded 11,000 light-years away. The light from the exploding star likely…

10 months ago

A Pulsar is Blasting out Jets of Matter and Antimatter

Why is there so much antimatter in the Universe? Ordinary matter is far more plentiful than antimatter, but scientists keep…

11 months ago

Astronomers Might Have Found a Planet in Another Galaxy

Not that long ago,, astronomers weren't sure that exoplanets even existed. Now we know that there are thousands of them…

1 year ago

The Sun is Mellow Yellow Today. Billions of Years Ago? Not So Much

Planetary formation theory has been undergoing a lot of changes recently, with an ever expanding litany of events that can…

2 years ago

Rare Triple Galaxy Merger With at Least Two Supermassive Black Holes

One of the best things about that universe is that there is so much to it.  If you look hard…

2 years ago

New Mosaic Shows the Galactic Core From Opposite Sides of the Electromagnetic Spectrum

NASA recently released a panoramic mosaic image that beautifully captures the mysterious and extremely energetic environment at the heart of…

2 years ago

Uranus X-Rays are Probably Reflected Sunlight, but There Could be Another Source as Well

X-rays offer a unique insight into the astronomical world.  Invisible to the naked eye, most commonly they are thought of…

2 years ago

Astronomers Think They’ve Found the Neutron Star Remnant Left Behind from Supernova 1987A

It was the brightest supernova in nearly 400 years when it lit the skies of the southern hemisphere in February…

2 years ago