Unit 4 science 8th grade universe

Front

What type of star has a low temperature and a low luminosity?

Back

Smaller Main Sequence stars are stars that have low temperature and low luminosity.

Front

What is the final stage for small/medium mass stars like our Sun?

Back

A white dwarf is the final stage for small/medium mass stars.

Front

What type of star has a high temperature and a high luminosity?

Back

Blue Giants are stars that have high temperature and high luminosity.

Front

Is the luminosity of Red Giant stars higher or lower than Red Supergiants?

Back

The luminosity of Red Giant stars is lower than that of Red Supergiants.

Front

What stage in the life cycle is described as a large cloud of gas and dust ejected by an aging star?

Back

This stage is known as a Planetary Nebula.

Front

What is a star's luminosity?

Back

Luminosity is the total amount of energy emitted by a star per unit of time.

Front

What is the main sequence in stellar evolution?

Back

The main sequence is a continuous and distinctive band of stars that appears on plots of stellar color versus brightness.

Tags

NGSS.HS-ESS1-1

Front

What happens to a star after it exhausts its nuclear fuel?

Back

After exhausting its nuclear fuel, a star may expand into a Red Giant or collapse into a white dwarf, neutron star, or black hole.

Front

What is a Red Supergiant?

Back

A Red Supergiant is a very large star that is in the late stages of stellar evolution, characterized by its red color and high luminosity.

Tags

NGSS.HS-ESS1-3

Front

What is a Neutron Star?

Back

A Neutron Star is the remnants of a supernova explosion, composed almost entirely of neutrons.