The Milky Way galaxy is described as a disk of stars orbiting a central point on the disk. Which of these best explains why people on Earth cannot see the entire shape of the Milky Way?

Many more stars exist outside the galaxy

The stars in the center of the galaxy are extremely small.

The center of the galaxy consists of a dense cluster of stars.

Which of these correctly compares the masses of different objects in the universe?

A star has less mass than a galaxy and more mass than a planet.

A moon has less mass than a star and more mass than the planet it orbits.

A planet has less mass than a galaxy and more mass than the star it orbits.

A galaxy has less mass than a moon and more mass than a planet.

Which of the following best describes a star? A star is a celestial body ---

composed of gases that emit light due to nuclear reactions

composed of rock and metal with a very high density

that is too big to be an asteroid, but too small to be a planet.

that rotates on an axis and revolves around the Sun

Which of the following best describes a galaxy? A galaxy is ---

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

A particle of debris in the solar system that does not act as a satellite of any planet

a visible body of liquid or frozen crystal droplets suspended above a planetary surface

the visible path of a meteoroid as it enters Earth's atmosphere

The Milky Way galaxy is described as a disk of stars orbiting a central point on the disk. Which of these best explains why people on Earth cannot see the entire shape of the Milky Way?

Many more stars exist outside the galaxy

The stars in the center of the galaxy are extremely small.

The center of the galaxy consists of a dense cluster of stars.

Black holes are best described as:

a place in space where gravity pulls so much even light can't get out

Why is the light from distant galaxies red-shifted?

They produce more red light than nearby galaxies

The longer wavelengths are filtered out more by dust

BWA #7

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Analyze this HR Diagram. Which group of stars is considered to have lower than average luminosity as well as a higher than average temperature?

Giants

Main Sequence

White Dwarfs

Super Giants

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Analyze this HR Diagram. Which group of stars is considered to have higher than average luminosity as well as a lower than average temperature?

Giants

Main Sequence

White Dwarfs

Super Giants

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A collection of dust and gases where stars can form is called a:

Galaxy

Nebula

Black Hole

Supernova

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Our Sun is located near the edge of a _ galaxy, named the __________.

disc shaped, Milky Way

disc shaped, Solar System

elliptical shaped, Milky Way

elliptical shaped, Solar System

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Stars are classified on the HR diagram by:

luminosity & brightness

temperature & absolute magnitude luminosity

temperature & apparent magnitude

temperature & density

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Choose the best description of Bernard's star.

Bernard's star is both cooler and brighter than the sun.

Bernard's star is both cooler and dimmer than the sun.

Bernard's star is neither cooler or dimmer than the sun.

Bernard's star is brighter and hotter than the sun.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The sun is not:

a medium size star.

near the edge of a disc-shaped galaxy.

many thousands of times closer to Earth than any other star.

in the center of the Milky Way.

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BWA #7

Analyze this HR Diagram. Which group of stars is considered to have lower than average luminosity as well as a higher than average temperature?

Analyze this HR Diagram. Which group of stars is considered to have higher than average luminosity as well as a lower than average temperature?

A collection of dust and gases where stars can form is called a:

Our Sun is located near the edge of a _ galaxy, named the __________.

Stars are classified on the HR diagram by:

Choose the best description of Bernard's star.

The sun is not:

The Milky Way galaxy is described as a disk of stars orbiting a central point on the disk. Which of these best explains why people on Earth cannot see the entire shape of the Milky Way?

Based on this diagram which type of stars would belong to spectral class M and have the lowest luminosity?

Based on this diagram which type of stars would belong to spectral class G and have the highest luminosity?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Other Sciences

BWA #7

Analyze this HR Diagram. Which group of stars is considered to have lower than average luminosity as well as a higher than average temperature?

Analyze this HR Diagram. Which group of stars is considered to have higher than average luminosity as well as a lower than average temperature?

A collection of dust and gases where stars can form is called a:

Our Sun is located near the edge of a _____ ______ galaxy, named the ____________.

Stars are classified on the HR diagram by:

Choose the best description of Bernard's star.

The sun is not:

The Milky Way galaxy is described as a disk of stars orbiting a central point on the disk. Which of these best explains why people on Earth cannot see the entire shape of the Milky Way?

Based on this diagram which type of stars would belong to spectral class M and have the lowest luminosity?

Based on this diagram which type of stars would belong to spectral class G and have the highest luminosity?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Other Sciences

Our Sun is located near the edge of a _ galaxy, named the __________.