Stars
Glorious Star Factories Shine In Astounding Amateur Shots
We often publish photos from professional observatories, but it's important to note that amateurs can also do a great job…
Rogue Star HIP 85605 on Collision Course with our Solar System, but Earthlings Need Not Worry
It's known as HIP 85605, one of two stars that make up a binary in the Hercules constellation roughly 16…
NASA’s NuSTAR Scans the Sun with X-ray Vision
What if you had x-ray vision like Superman? Or if those funny-looking glasses they advertised in comic books in the 60s…
- Astronomy
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What Does It Mean To Be ‘Star Stuff’?
At one time or another, all science enthusiasts have heard the late Carl Sagan's infamous words: "We are made of…
How Low Can You Go? Take the Great Square Challenge
Cast your gaze up, up, up on the next dark, moonless night and stare into the Great Square of Pegasus.…
- Missions
- NASA
- New Horizons
- Pluto
- Solar Astronomy
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Probing Pluto’s Paltry Atmosphere Using A Solar Eclipse And Spacecraft
Pluto is so far away from us and so tiny that it's hard to glean even basic facts about it.…
Observing Challenge: Watch Asteroid 3 Juno Occult a +7th Magnitude Star Tonight
One of the better asteroid occultations of 2014 is coming right up tonight, and Canadian and U.S. observers in the…
Solar ‘Bombs’ And Mini-Tornadoes Spotted By Sun-Watching Spacecraft
My, the Sun is a violent place. I mean, we knew that already, but there's even more evidence for that…
Old Equations Shed New Light on Quasars
There's nothing more out of this world than quasi-stellar objects or more simply - quasars. These are the most powerful and among…
Nearby Galaxy Holds First Ultraluminous X-Ray Source that is a Pulsar
A research team led by Caltech astronomers of Pasadena California have discovered an ultraluminous X-ray (ULX) source that is pulsating. Their…