Life Cycle of a Star Flashcard

Front

What is the initial form of a star in its life cycle?

Back

A cloud of dust and gas.

Front

What is the main topic of the diagram related to stars?

Back

Life Cycle of a Star.

Front

What is the final stage a star can become after an explosion?

Back

A white sphere.

Front

Which axis has a logarithmic scale in the graph of a star's life cycle?

Back

Y-axis.

Front

What is the ending point of the y-axis in the graph of a star's life cycle?

Back

10^6.

Front

What is a nebula?

Back

A large cloud of gas and dust in space, often the birthplace of stars.

Front

What is a protostar?

Back

A stage in the life cycle of a star where the star is still forming and has not yet begun nuclear fusion.

Front

What is nuclear fusion?

Back

The process by which two light atomic nuclei combine to form a heavier nucleus, releasing energy.

Front

What are the main stages in the life cycle of a star?

Back

Nebula, protostar, main sequence star, red giant, supernova, and white dwarf or neutron star.

Front

What happens to a star like our Sun at the end of its life cycle?

Back

It will expand into a red giant and then shed its outer layers, leaving behind a white dwarf.