Astronomy
Swift is Now Fully Operational
Mission controllers used NASA's Swift satellite to capture this image of the Pinwheel Galaxy (M101) using its Ultraviolet/Optical Telescope (UVOT).…
Pluto and Charon Could Have Formed Together
Many scientists feel that there's compelling evidence that the Moon formed when a Mars-sized planet smashed into the Earth, throwing…
Biggest Stars Make the Biggest Magnets
Astronomers from the Harvard-Smithsonian Center for Astrophysics have found evidence that the big stars become extremely powerful magnets when they…
Dark Matter Halos Were the First Objects
The nature of dark matter is one of the mysteries currently puzzling astronomers. A new study published in the journal…
Milky Way’s Black Hole Was Active Recently
Astronomers with the European Space Agency believe that the supermassive black hole (Sgr A*) at the heart of the Milky…
Where Does Visible Light Come From?
It's amazing thing but many amateur astronomers (and possibly the occasional professional as well!) don't have the big picture on…
Egg-Shaped Regulus is Spinning Fast
Scientists have known for many years that Regulus spins faster than our own Sun, but astronomers from Georgia State University…
Brown Dwarfs are Heavier Than Previously Thought
Astronomers have used the European Southern Observatory's Very Large Telescope (VLT) to watch a small, faint companion as it orbits…
How Far Can You See?
Any idea how deep the eye could go if there was no atmosphere to scatter starlight? Ever wonder what optical…
Red Dwarfs Destroy Their Dusty Disks
Red dwarfs are smaller and cooler than our own Sun, but they account for 70% of the stars in our…