Galaxies, Solar Systems, Stars and Planets

What is a measure of the amount of light a star actually gives off.

• Apparent magnitude

• Absolute magnitude

What is the measure of the amount of light received on earth?

• absolute magnitude

• apparent magnitude

A group of stars, gas and dust held together by gravity is what?

• solar system

• galaxy

• star clusters

Tags

NGSS.MS-ESS1-2

Distances between stars and galaxies are measured in what?

• light-years

• millions of kilometers

• millions of miles

A group os stars that form a pattern in the sky are called what?

• flares

• constellations

• star clusters

A star is "born" when the contracting gas and dust comes from what?

• nebula

• star cluster

• neptune

After a star runs out of fuel and starts to die, it can become what?

• a white dwarf star

• a neutron star

• a black hole

• All of the above

• None of the above

What happens in the inner-core region of the sun?

• this layer is tightly packed with gas where energy is transferred in the form of electromagnetic radiation.

• nuclear fusion occurs here where hydrogen atoms join together to form helium

• outer layer of the sun's interior

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

What happens in the sun's atmosphere in the photosphere?

• The sun's photosphere is the surface layer that gives off visible light.

• The sun's photosphere is the middle layer of the sun's atmosphere showing a reddish glow during a total solar eclipse.

• The sun's photosphere is the outer layer that looks like a white halo around the sun.

What are Sunspots?

• huge, reddish loops of gas that link different parts of the sunspot regions.

• dark spots on sun's surface; areas of gas on the surface that are cooler than the gases around them;look small, but are larger than the size of Earth.

• Erupting gas into space.