10h
The Hubble tension: How magnetic fields could help solve one of the universe’s biggest mysteries
Two ways of measuring how fast the universe is expanding disagree, a puzzle known as the Hubble tension. Tiny magnetic fields ...
Planned launch of 500,000 satellites could spoil about one in three Hubble images, even when the telescope stays above Earth's weather.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results