Sentences with phrase «make white dwarf stars»

«It tells us that nature has found a way that we didn't know to make white dwarf stars without the usual hydrogen or helium surface layers,» Dufour says.

Not exact matches

We once thought that dark matter might be made up of large objects such as black holes or exotic types of faint stars — neutron stars or white dwarfs — that are nearly invisible to our telescopes.

Observations of the explosions of white dwarf stars in binary systems, so - called Type Ia supernovae, in the 1990s then led scientists to the conclusion that a third component, dark energy, made up 68 % of the cosmos, and is responsible for driving an acceleration in the expansion of the universe.

Even protostars — these are young stars that are just forming and making their own planetary disks and so on — they make very powerful outflows called, the same sort of jets obviously moving at slower speeds, but they are full of plasma, that is flowing out at high speed; white dwarfs, neutron stars, black holes big and small, they seem able to do this task, it really seems to be a very common phenomenon.

The white dwarf star, about 11 billion years old, and is believed to be composed mostly of crystallized carbon, making it a diamond in the sky.

White dwarfs form as the outer layers of a low - mass red giant star puff out to make a planetary nebula.

A star becomes a white dwarf when it has exhausted its nuclear fuel and all that remains is the dense inner core, typically made of carbon and oxygen.

When Eversley made these works, he wanted to evoke «stars expanding their energy and becoming black holes, white dwarfs, and neutron stars.»