NASA’s New Horizons spacecraft in deep space
NASA, APL, SwRI, Serge Brunier (ESO), Mark Postman (STScI), Dan Dardah
We finally know just how dark deep space is: NASA’s New Horizons spacecraft has made the first precise measurements of the ambient light that permeates space, the so-called cosmic background light.
The optical background of the universe is so dark that it is impossible to measure it accurately from Earth, because the glow of objects in the inner solar system is much brighter. “Every time we try to measure it from Earth or close to Earth,…
Source: www.newscientist.com
