Chris Impey
Chris Impey
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Scientists blast out Earth’s location with the hope of reaching aliens

Scientists blast out Earth’s location with the hope of reaching aliens

If a person is lost in the wilderness, they have two options. They can search for civilization, or they could make themselves easy to spot by building a fire or writing HELP in big letters. For scientists interested in the question of whether intelligent aliens exist, the options are much the same. For over 70 years, astronomers have been scanning for radio or optical signals from other civilizations in the search for extraterrestrial intelligence, called SETI. Most scientists are confident that life exists on many of the 300 million potentially habitable worlds in the Milky Way galaxy....

May 1
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The scariest things in the universe are black holes – and here are 3 reasons

The scariest things in the universe are black holes – and here are 3 reasons

provides funding as a member of The Conversation US.Halloween is a time to be haunted by ghosts, goblins and ghouls, but nothing in the universe is scarier than a black hole.Black holes – regions in space where gravity is so strong that nothing can escape – are a hot topic in the news these days. Half of the was awarded to Roger Penrose for his mathematical work showing that black holes are an inescapable consequence of Einstein’s theory of gravity. Andrea Ghez and Reinhard Genzel shared the other half for showing that .Black holes are scary for three reasons. If you fell into a black hole...

October 30, 2020
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