US, WASHINGTON (ORDO NEWS) — A supernova is an explosion of a star. This is the biggest explosion in space.
Supernovae are often observed in other galaxies, but they are difficult to see in our own galaxy, the Milky Way, because dust blocks our view. In 1604, Johannes Kepler discovered the last observable supernova in the Milky Way. NASA’s Chandra telescope discovered the remains of a later supernova, it exploded in the Milky Way more than a hundred years ago.
A supernova occurs where a change in the core or center of a star occurs. Change can occur in two different ways, and both of them lead to the appearance of a supernova.
The first type of supernova is formed in binary stellar systems. Binary stars are two stars orbiting the same point. One of the stars, a white dwarf, steals matter from its companion star. In the end, the white dwarf accumulates too much matter, and the presence of too much matter leads to the explosion of a star, which leads to the formation of a supernova.
The second type of supernova is formed at the end of the life of one star. When a star runs out of nuclear fuel, part of its mass falls into the core. In the end, the core becomes so heavy that it cannot withstand its own force of gravity. The core is destroyed, which leads to a giant explosion of a supernova.
The sun is also the only star, but it does not have enough mass to become a supernova.
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