For over forty years, astronomers have been baffled by X-rays from the white dwarf at the center of the Helix Nebula. A white ...
The Helix Nebula, located 650 light-years from Earth, has baffled scientists for decades. The planetary nebula was created by ...
Engadget's experienced editorial team has tested and reviewed hundreds of digital cameras and photography gear over the past 20 years to help you find the best options available.
At the heart of the Carina Nebula, about 7,500 light-years away, lie two massive stars: WR 25 and Tr16-244. Positioned in the ...