Structure of the Universe

Celestial bodies can be classified based on their sizes which is the smallest?

• a red supergiant

• a red giant

• a planet

• a blue supergiant

Which term is used to describe several planets orbiting a star.

• universe

• galaxy

• solar system

• constellation

Tags

NGSS.HS-ESS1-4

Which of the following correctly lists the objects in space in order from largest to smallest?

• universe, galaxy, star, planet

• universe, galaxy, planet, star

• galaxy, universe, star, plant

• galaxy, universe, planet, star

Tags

NGSS.MS-ESS1-3

Which term mean the sum of all space, matter, and energy that exist, that have existed in the past, and that will exist in the future?

• solar system

• galaxy

• stars

• universe

Tags

NGSS.HS-ESS1-2

Why do the sun and moon appear to be the same size when viewed from Earth?

• The moon is much hotter than the sun.

• The moon is much denser than the sun.

• The moon is much brighter than the sun.

• The moon is much closer to the Earth than the sun.

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-3

Which of the following lists the colors of stars in order from coolest to hottest?

• red, yellow, white, blue

• white, blue, yellow, red

• yellow, white, blue, red

• blue, yellow, white, red

What type of star is the sun?

• a high-mass star

• a neutron star

• a supergiant

• a low-mass star

Which process causes a star to give off light?

• condensing gases

• exposing of the core

• nuclear fusion

• ejecting matter into space

Tags

NGSS.HS-ESS1-1

Which features of stars are plotted on the Hertzsprung-Russell digram?

• brightness and surface temperature

• density and mass

• physical structure and ocmposition

• apparent magnitude and luminosity

Which stage in the life cycle of a high-mass star is characterized by the star collapsing and throwing its outer layers into space?

• a black hole

• a supergiant

• a neutron star

• a supernova