The death of a star
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(NASA. DEEP SPACE. SUPERNOVA TYCHO) The Tycho Supernova: The Death of a Star. In 1572, the Danish astronomer Tycho Brahe was among those who noticed a bright new object in the constellation Cassiopeia. Adding fuel to the intellectual fire lit by Copernicus, Tycho showed that this "new star" was well beyond the Moon, and that it was possible that the universe beyond the Sun and planets was changing. Astronomers now know that Tycho's new star was not new at all. Rather, it signaled the death of a star in a supernova, an explosion so strong that it can eclipse the light of an entire galaxy. This particular supernova was Type Ia, which occurs when a white dwarf star extracts material from, or merges with, a nearby star until a violent explosion is triggered. The white dwarf star is annihilated and its debris is thrown into space. Legend on the back label. 20,4 x 25,4cm with margins.
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