The Universe and Stars

White dwarfs stars are

• hot and dim

• cool and dim

• hot and bright

• cool and bright

Tags

NGSS.HS-ESS1-3

The brightness of a star as seen from earth is defined as:

• Apparent Brightness

• Absolute Brightness

• Brightness

• Candid Brightness

Explosion of a high-mass star.

• White Dwarf

• Planetary Nebula

• Supernova

• Neutron Star

Stars give off heat and light in a process called ___________.

• nuclear fusion

• supernova

• luminosity

• spectroscopy

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

Consider the color of the sun. Based on this color, what is the sun's approximate surface temperature?

• 10,000-30,000

• 6000-7500

• 30000-60000

• <3500

Which of the following is NOT a characteristic used to classify stars?

• Color

• Temperature

• Size

• Shape

Which star has a surface temperature most similar to the surface temperature of Alpha Centauri?

• Polaris

• Betelgeuse 

• Procyon B

• Sirus 

What is the name of baby stars?

• Dwarf

• Supergiant

• Protostars

• Nebulas

Tags

NGSS.HS-ESS1-3

Why do planets orbit the sun (and not float around in space)?

• the moons are keeping them in place

• They were hit by an asteroid

• they were hit by a comet

• the sun's gravity keeps them in place

Tags

NGSS.HS-ESS1-4

NGSS.HS-PS2-4

Kepler's first law states:

• Objects in the solar system travel in elliptical paths.

• The more mass an object has, the more gravity it has.

• The speed of an object's orbit changes.

• The closer an object is to the sun, the shorter its orbital period.

Tags

NGSS.HS-ESS1-4