Characteristics of Stars
a year ago
mshouston
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15 QuestionsShow answers
  • Question 1
    30 seconds
    Q.

    Everything revolves around ___________.

    answer choices

    stars

    planets

    moons

    galaxies

  • Question 2
    30 seconds
    Q.

    Stars are made of mostly which two gases?

    answer choices

    Hydrogen and Helium

    Hydrogen and Oxygen

    Hydrogen and Nitrogen

    Hydrogen and Carbon

  • Question 3
    30 seconds
    Q.

    A star is born in a cloud of gas and dust called a __________.

    answer choices

    nebula

    galaxy

    asteroid

    black hole

  • Question 4
    30 seconds
    Q.

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

    answer choices

    nuclear fusion

    supernova

    luminosity

    spectroscopy

  • Question 5
    30 seconds
    Q.

    In the process of nuclear fusion, hydrogen atoms combine to form ___________ atoms.

    answer choices

    helium

    carbon

    nitrogen

    oxygen

  • Question 6
    30 seconds
    Q.

    Billions of stars are held together in groups called __________.

    answer choices

    galaxies

    solar systems

    planets

    comets

  • Question 7
    30 seconds
    Q.

    Our Sun is part of which galaxy?

    answer choices

    Milky Way

    Andromeda

    Sombrero

    Whirlpool

  • Question 8
    30 seconds
    Q.

    The luminosity of a star describes its ______________.

    answer choices

    brightness

    temperature

    age

    color

  • Question 9
    30 seconds
    Q.

    As the _________ of a star increases, luminosity increases.

    answer choices

    size

    distance

    age

    composition

  • Question 10
    30 seconds
    Q.

    What color are the coolest stars?

    answer choices

    red

    blue

    white

    orange

  • Question 11
    30 seconds
    Q.

    What color are the hottest stars?

    answer choices

    blue

    red

    white

    yellow

  • Question 12
    30 seconds
    Q.

    The types of gases that make up a star is also known as the star's _______________.

    answer choices

    composition

    temperature

    size

    luminosity

  • Question 13
    30 seconds
    Q.

    Stars that are much bigger than the Sun are called _______________.

    answer choices

    red supergiants

    white dwarfs

    main sequence

    nebulae

  • Question 14
    30 seconds
    Q.

    Stars that are much smaller than the Sun are called _________________.

    answer choices

    white dwarfs

    red supergiants

    main sequence

    nebulae

  • Question 15
    30 seconds
    Q.

    A tool that astronomers use to learn about the composition of a star is called a _______________.

    answer choices

    spectroscope

    luminosity

    nebula

    light-year

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