Review: Space, Weather, Climate

Which statement about stars is correct

• Star formation begins in a nebula

• White dwarfs become main-sequence stars when they die

• Supergiants are stars that can absorb black holes

• Main sequence stars are formed by comets

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

Which area of the diagram represents the white dwarfs?

• Area M

• Area X

• Area P

• Area Z

Tags

NGSS.HS-ESS1-3

In 2013 astronomers observed a small bright object orbiting the sun. The most interesting characteristic was a fan shaped tail. What was the object?

• A comet

• An asteroid

• A meteor

• A nebula

Barnard's Star is about 6 light years from the sun with a temperature of 2,800K. Based on the diagram what spectral class does Barnard's Star belong to?

• Spectral class O

• Spectral class B

• Spectral class A

• Spectral class M

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

Based on the HR diagram given, how do the characteristics of Star 1 and Star 2 compare?

• Star 1 is cooler and less bright than Star 2

• Star 1 is hotter and brighter than Star 2

• Star 1 is cooler and brighter than Star 2

• Star 1 is hotter and less bright than Star 2

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

• 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

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

Tags

NGSS.MS-ESS1-3

NGSS.MS-PS2-4

Based on the HR Diagram given, which type of stars would belong to spectral class M and have the highest luminosity?

• Main sequence stars

• Giants

• White dwarfs

• Supergiants

Students are asked to describe a nebula and a star, their responses are listed on the chart. Which student described these two celestial bodies correctly?

• Student 1

• Student 2

• Student 3

• Student 4

Tags

NGSS.MS-ESS1-3

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

• Earth is part of this galaxy

• 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