Category: Pic of the Day
The Tycho Supernova: Death of a Star
[ad_1] In 1572, Danish astronomer Tycho Brahe was among those who noticed a new bright object in the constellation Cassiopeia. [ad_2] Source link
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NASA Astronaut Christina Koch Conducts Repairs on the Space Station
[ad_1] NASA astronaut Christina Koch conducts her fourth spacewalk at the International Space Station with fellow NASA astronaut Jessica Meir [ad_2] Source link
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A Mega-Cluster of Galaxies in the Making
[ad_1] Astronomers using data from NASA’s Chandra X-ray Observatory and other telescopes have put together a detailed map of a rare collision between four galaxy clusters. [ad_2] Source link
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