What If a Supernova Hits Earth?
Supernovae are the most powerful explosions in the universe, unleashing enough energy to outshine galaxies. So what would happen if one hit earth?
Supernovae are the most powerful explosions in the universe, unleashing enough energy to outshine galaxies. So what would happen if one hit earth?
This stunning image depicts a small section of the Cygnus supernova blast wave, while appearing as a delicate and light veil draped across the sky,
An exploding star (supernova) about 65 light-years away may have caused mass extinction on Earth, 359 million years ago.
Astronomers just detect the most powerful supernova – star explosion, ever observed.
In 1572, Danish astronomer Tycho Brahe was among those who noticed a new bright object in the constellation Cassiopeia. Now, NASA’s Chandra X-ray Observatory reveals
Amateur Astronomer in Argentina captured for the first time the initial burst of light from the explosion of a massive star.
No one is completely sure where did the gold originate. The relative average abundance in our Solar System appears higher than can be made in
Novae is a movie about an astronomical event that occurs during the last evolutionary stages of a massive star’s life. Watch the amazing stages of
The brilliant flash of an exploding star’s shockwave, is illustrated in this cartoon animation, created by NASA’s Ames Research Center…
As you can see at this periodic table, hydrogen in your body, present in every molecule of water, came from the Big Bang.