Components of the Universe

Front

What keeps the Earth in its orbit around the Sun?

Back

The gravitational attraction between the Sun and Earth.

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Front

What is the relationship between galaxies and stars?

Back

Galaxies contain many stars.

Front

List four components of the universe in order from smallest to largest.

Back

Planets, stars, nebulae, galaxies.

Front

What is a nebula?

Back

A large cloud of gas and dust in interstellar space; the predecessor to stars.

Front

What is a galaxy?

Back

A system of stars, gas, dust, and dark matter bound together by gravity.

Tags

NGSS.MS-ESS1-2

Front

What is the primary force that governs the motion of celestial bodies in the universe?

Back

Gravity.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Front

What are the main components of the universe?

Back

Stars, planets, galaxies, nebulae, and dark matter.

Front

How do stars form?

Back

Stars form from the gravitational collapse of gas and dust in a nebula.

Front

What is the difference between a star and a planet?

Back

A star is a massive, luminous sphere of plasma, while a planet is a celestial body that orbits a star and does not produce its own light.

Front

What role do nebulae play in the life cycle of stars?

Back

Nebulae are the birthplaces of stars, where gas and dust come together to form new stars.