Components Of The Universe (TEKS 8.8A)

A system of stars held together by gravitational attraction between gas and dust is called

• an asteroid.

• a nebula.

• a galaxy.

• the universe.

Tags

NGSS.MS-ESS1-2

Stars are made mostly of which two elements?

• Selenium and sodium

• Astatine and arsenic

• Chlorine and cesium

• Hydrogen and helium

Tags

NGSS.HS-ESS1-1

An interstellar cloud of dust and gases that serves as a location for the formation of a new star is -

• a nebula.

• a galaxy.

• a black hole.

• a supernova.

Choose each of the classifications that can be used to identify a type of galaxy.

• Main Sequence

• Elliptical

• Irregular

• Crescent

• Spiral

The Hertzsprung-Russell diagram is provided, which is used for classifying stars based on the relationship between the brightness, temperature, and color of the star. Regulus belongs in which of the following classifications?

• Super Giant

• Giant

• Main Sequence

• White Dwarf

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

Choose the statement that is an accurate description of the relationship between components of the universe?

• Stars always contain galaxies.

• Stars contain several nebulae.

• Nebulae contain many galaxies.

• Galaxies contain many stars.

A large celestial body made of gases that emit light due to nuclear reactions is called -

• a comet.

• a star.

• a galaxy.

• a nebula.

Choose the statement that best describes a characteristic of a nebula.

• A nebula is at the center of the solar system.

• A nebula forms halfway through a star's life cycle.

• A nebula has the coolest temperature of any component in space.

• A nebula is a region of the galaxy where stars are formed.