Natural Background Radiation comes from the rocks in the ground and from
exploding stars thousands of light years away.
Not exact matches
The cluster contains
thousands of
stars less than 2.5 million years old, making it the best place to find the biggest young
stars that have not yet
exploded.
The interstellar gas is blown about by shock waves from
exploding stars that can propel it at
thousands of kilometres per second — fast enough to cross the Earth in...
When astronomers scale up to the number of supernovae they expect to be taking place throughout the entire universe they reach a mind - boggling number:
thousands of
exploding stars every hour.
The Crab Nebula is the remnant of a giant
star that
exploded thousands of years ago.
Over five years, researchers will use this telescope to survey more than 300 million distant galaxies and detect
thousands of new supernovas —
exploding stars.