Review - Tools of Astr, Universe, and Galaxiees

Front

What does the Red Shift indicate about the universe?

Back

The Red Shift indicates that the universe is expanding.

Tags

NGSS.HS-ESS1-2

Front

What is a galaxy?

Back

A galaxy is a system of billions of stars, gas, and dust held together by gravity.

Front

What are space probes?

Back

Space probes are space instruments that travel beyond our solar system.

Front

What type of galaxy is characterized by a smooth, featureless shape?

Back

An elliptical galaxy.

Front

What type of galaxy has arms that curve outward in a pinwheel pattern?

Back

A spiral galaxy.

Front

What is the Big Bang Theory?

Back

The Big Bang Theory is the leading explanation for the origin of the universe, suggesting it began from a singular point and has been expanding ever since.

Tags

NGSS.HS-ESS1-2

Front

What is the Milky Way?

Back

The Milky Way is the galaxy that contains our solar system.

Tags

NGSS.MS-ESS1-2

Front

What is the difference between a star and a galaxy?

Back

A star is a massive ball of plasma that produces light and heat through nuclear fusion, while a galaxy is a collection of billions of stars, gas, and dust.

Front

What role do gravity and dark matter play in galaxies?

Back

Gravity holds galaxies together, while dark matter is thought to provide additional gravitational pull that affects the motion of stars within galaxies.

Front

What is a nebula?

Back

A nebula is a cloud of gas and dust in space, often the birthplace of stars.