Doppler shift
Planets are Finally Being Discovered Orbiting Farther From Their Stars
We don't know much about exoplanets with long orbital periods, but we're starting to learn.
4 years ago
How an Advanced Civilization Could Exploit a Black Hole for Nearly Limitless Energy
A black hole as a source of energy? We know black holes as powerful singularities, regions in space time where…
4 years ago
Awesome New Radar Images of Asteroid 2004 BL86
New video of 2004 BL86 and its moon Newly processed images of asteroid 2004 BL86 made during its brush with Earth Monday…
10 years ago
Close Passing Asteroid 2013 ET Gets Its Picture Taken
Another space rock sat pretty for NASA's big dish photographer. The 70-meter (230-feet) Goldstone antenna zinged radio waves at 2013 ET on…
12 years ago