What is a burnt-out star called?
Credit: Stocktrek Images Stocktrek Images Getty Images
Q:

What is a burnt-out star called?

A:

Quick Answer

A burnt-out star is called a white dwarf. A white dwarf results after a star’s nuclear fuel burns out, which causes it to collapse or implode. While it has a mass similar to that of the sun, its radius is similar to that of the Earth.

  Know More

Full Answer

Studies by astronomers at the University of California, Los Angeles and University of Kiel, Germany, led to the conclusion that the formation of a white dwarf takes billions of years and progresses through a "red giant" phase. Further degeneration of the red giant leads to the death of the star, transforming it into a white dwarf.

Learn more about Astronomy

Related Questions

  • Q:

    What is an exploding star called?

    A:

    A supernova is a star that ends its existence by exploding and leaving behind a neutron star or a black hole. All of the heavy matter and large amounts of many elements in the universe were produced by supernovas. All human bodies contain some of these elements.

    Full Answer >
    Filed Under:
  • Q:

    What is a dead star?

    A:

    A dead star is a star that has exhausted all its fuel for nuclear fusion and is simply the core of the former star floating through space. The size of the star before it uses up all its fuel determines what happens to it afterward.

    Full Answer >
    Filed Under:
  • Q:

    What is a shooting star?

    A:

    Although a shooting star looks like a star shooting across the sky, it's actually a meteor, or small rock that hits Earth's atmosphere. Because of the speed at which the meteor, or meteoroid, is traveling it burns and releases a glow.

    Full Answer >
    Filed Under:
  • Q:

    When does a protostar become a star?

    A:

    When the temperature of a protostar rises higher than 10,000,000 K, it becomes a true star. At this temperature, hydrogen fusion begins to happen. Fusion heats the star, contracts the core and causes the star to emit light. A protostar must have 0.08 solar masses to become a star.

    Full Answer >
    Filed Under:

Explore