galaxy, light, nasa, new discoveries, new horizons spacecraft

New Study Confirms the Light From Outside Our Galaxy Is Brighter Than Expected

Scientists analyzed new measurements showing that the light emitted by stars outside our galaxy is two to three times brighter than the light from known populations of galaxies, challenging assumptions about the number and environment of stars in the universe. Results of the study led by researchers at Rochester Institute of Technology have been posted to ...

Troy Oakes

Artist's impression of NASA's New Horizons spacecraft.

New Horizons Spacecraft Answers Question: How Dark Is Space?

How dark is space? If you get away from city lights and look up, the sky between the stars appears very dark indeed. Above the Earth’s atmosphere, outer space dims even further, fading to an inky pitch-black. And yet even there, space isn’t absolutely black. The universe has a suffused feeble glimmer from innumerable distant stars and ...

Troy Oakes

Galaxies in the universe.