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A gamma-ray burst in a galaxy 2 billion light-years away sent a burst of radiation that hit Earth and affected our ionosphere.

Space and astronomy news

Scientists across the world are studying their formation.One way of forging black holes is the deaths of massive stars in Gamma Ray Bursts explosions so powerful that they have been called mini big-bangs.

The farther backwards you can look, the farther forwards you are likely to see. -- Winston Churchill Sometimes, we point our most powerful telescopes at the sky, peering as deeply as we possibly can, hoping to shed some light on what the Universe was like oh-so-long ago, as close to the big bang as we can. The Hubble Space Telescope can get us distant galaxies as they were just a few billion years after the big bang.

24 May 2021 Do we have to kill off the theory of space and time to make sense of the universe? (Image credit: Tobias Roetsch) As in history, revolutions are the lifeblood of science. Bubbling undercurrents of disquiet boil over until a new regime emerges to seize power. Then everyone's attention turns to toppling their new ruler. The king is dead, long live the king. This has happened many times in the history of physics and astronomy. First, we thought Earth was at the center of the solar system — an idea that stood for over 1,000 years. Then Copernicus stuck his neck out to say that the ...