Sentences with phrase «layers as a supernova»
When a star runs out of hydrogen fuel its core collapses inward under gravity and, hitting rock bottom, sends out a shockwave that blasts away the star's outer layers as a supernova.
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Cassiopeia A Just before it explodes as a supernova, a massive star is like an onion, with layers of different chemical compositions atop one another.
A shock wave from that collapse will speed outward, violently expelling the star's outer layers in a massive explosion known as a supernova.
A neutron star forms when a massive star explodes as a supernova, blowing off its outer layers while its core collapses.
Known as 2014J, this was a Type la supernova caused by the explosion of a white dwarf star, the inner core of star once it has run out of nuclear fuel and ejected its outer layers.
A massive star (left), which has created elements as heavy as iron in its interior, blows up in a tremendous explosion (middle), scattering its outer layers in a structure called a supernova remnant (right).