Illustration showing NASA’s New Horizons spacecraft in deep spaceNASA, APL, SwRI, Serge Brunier (ESO), Marc Postman (STScI), Dan Durda
We finally know just how dark it is in deep space. NASA’s New Horizons spacecraft has made the first precise measurements of the ambient light that suffuses the universe, called the cosmic optical background.
The cosmic optical background is so dim that it is impossible to measure with any precision from Earth – the glow of objects in the inner solar system far outshines it. “Every time you try to measure it from Earth, or from near Earth, you’re…
We finally know exactly how dark deep space is
Related Posts
Pupils with special educational needs and disabilities continue to fall behind their peers, study finds
Credit: Unsplash/CC0 Public Domain Pupils with special educational needs and disabilities (SEND) are continuing to fall behind their peers with the gap widening despite the introduction of SEND legislation. This…
Black hole’s jets are so huge that they may shake up cosmology
Illustration of the giant black hole jets known as PorphyrionCaltech A pair of jets blasting out of a black hole spans 23 million light years, the equivalent of 220 Milky…