Tag: general relativity
Do photons wear out? An astrophysicist explains light’s ability to travel...
Jarred Roberts, University of California, San Diego
My telescope, set up for astrophotography in my light-polluted San Diego backyard,...
Why does gravity pull us down and not up?
Mario Borunda, Oklahoma State University
Curious Kids is a series for children of all ages....
Warp drives: Physicists give chances of faster-than-light space travel a boost
Mario Borunda, Oklahoma State University
The closest star to Earth is Proxima Centauri. It is about 4.25 light-years away,...














