Stars & Galaxies Review

The universe has many different components. Which list places four components of the universe in the most likely order from smallest to largest?

• Planets, stars, galaxies, nebulae

• Nebulae, stars, planets, galaxies

• Galaxies, stars, planets, nebulae

• Planets, stars, nebulae, galaxies

Tags

NGSS.MS-ESS1-3

Earth's atmosphere blocks short wavelengths of the electromagnetic spectrum. Which telescopes must be placed in orbit around Earth in order to observe short wavelength radiation?

• Microwave

• X-ray

• Gamma

• Ultraviolet

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-4

According to the H-R diagram above which of the stars below is the coolest?

• Vega

• Sun

• Arcturus

• Betelgeuse

A star is made up of dust and gas. Which two elements make up the majority of a star's mass?

• Hydrogen and Carbon

• Helium and Carbon

• Hydrogen and Helium

• Carbon and Nitrogen

Tags

NGSS.HS-ESS1-1

Quasars are extremely distant celestial bodies. Investigators using a special telescope determined that a certain quasar was emitting waves with a frequency of 14.1 × 10¹¹ Hz. An electromagnetic spectrum is shown. The investigators were most likely using a telescope that detects —

• Ultraviolet

• Infrared

• Visible light

• Radiowaves

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

What portion of the electromagnetic spectrum allows scientists to explore deep into space, farther than any man-made instrument has ever been?

• microwaves

• visible light waves

• gamma waves

• radio waves

Tags

NGSS.HS-PS4-3

Betelgeuse is one of the brightest stars in the night sky even though it is 640 LY from Earth. Barnard’s Star, on the other hand, is relatively close but is not visible to the unaided eye. Which of the following statements best describes these stars?

• The two stars have different colors.

• The two stars have different surface temperatures.

• The two stars have different absolute magnitudes.

• Betelgeuse’s orbit brings it closer to Earth.

What group of stars are the brightest stars?

• giants

• white dwarfs

• supergiants

• main sequence

What force causes Venus to travel along a curved path instead of moving in a straight line as indicated by the dashed line in the diagram?

• Electromagnetic attraction between the sun and Venus

• Gravitational attraction between the sun and Venus

• Electromagnetic attraction between Mercury and Venus

• Gravitational attraction between Mercury and Venus

Tags

NGSS.HS-ESS1-4

NGSS.HS-PS2-4

The temperature of the star determines the wavelength of visible light that is produced. The visible portion of the electromagnetic spectrum is shown. Stars with the highest temperature will emit most of their light at wavelengths that are near-

• red light

• orange light

• green light

• blue light

Tags

NGSS.HS-PS4-1