Quiz
White Dwarfs & Planetary Nebulae
9th - 12th grade
Played 746 times
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Other Sciences
3 years ago by
craniumfire
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20 questions
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  • Question 1
    30 seconds
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    Q. Currently, the Sun is fusing ___
    answer choices
    hydrogen into helium
    helium into hydrogen
    helium into carbon
    hydrogen into carbon
  • Question 2
    30 seconds
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    Q. Eventually, the Sun will fuse helium into carbon, along with a dash of ___
    answer choices
    neon and lithium
    silicon and neon
    oxygen and neon
    oxygen and silicon
  • Question 3
    30 seconds
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    Q. The Sun's power will be switched off once the core is nearly pure ___
    answer choices
    helium
    lithium
    carbon
    silicon
  • Question 4
    30 seconds
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    Q. How long from now until the Sun’s outer layers are gone and our star is just its core?
    answer choices
    about 8 million years
    about 80 million years
    about 8 billion years
    about 80 billion years
  • Question 5
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    Q. Once helium fusion stops, the dominant force in supporting the core of a star is called ___
    answer choices
    neutron degradation pressure
    photon depravity pressure
    electron degeneracy pressure
    proton dissoluteness pressure
  • Question 6
    30 seconds
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    Q. The Sun, when its core has contracted to about the size of Earth, will be classified as ___
    answer choices
    a white dwarf
    a blue dwarf
    a white subgiant
    a blue subgiant
  • Question 7
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    Q. A single cubic centimeter of a white dwarf, the size of a six-sided die, has a mass of ___
    answer choices
    a thousand grams — ten metric tons
    a million grams — ten metric tons
    a thousand grams — one metric ton
    a million grams — one metric ton
  • Question 8
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    Q. If you have a mass of 75 kg, and you stood on the surface of a white dwarf, you’d weigh ___
    answer choices
    7.5 tons
    75 tons
    750 tons
    7,500 tons
  • Question 9
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    Q. Because white dwarfs are so small, they’re actually ___
    answer choices
    quite cool
    quite faint
    quite hot
    quite bright
  • Question 10
    30 seconds
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    Q. An expanding, glowing shell of gas around an aging star is called ___
    answer choices
    a dwarf nebula
    a planetary nebula
    a dwarf nimbus
    a planetary nimbus
  • Question 11
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    Q. The first planetary nebula was discovered in 1764 by the French astronomer ___
    answer choices
    William Herschel
    Charles Messier
    Edwin Hubble
    Harlow Shapley
  • Question 12
    30 seconds
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    Q. One of the biggest planetary nebulae in the sky is M 27 - the 27th object on ___
    answer choices
    the Mercator projection
    the Mesopotamia map
    Maxwell's star chart
    Messier’s list
  • Question 13
    30 seconds
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    Q. Some planetaries look like soap bubbles, which is what you'd expect when you look at ___
    answer choices
    an expanding shell of gas
    an contracting shell of gas
    an expanding shell of dust
    a contracting shell of dust
  • Question 14
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    Q. What technology revealed faint structures, such as jets and tendrils, in planetary nebulae?
    answer choices
    ultraviolet telescopes
    infrared telescopes
    digital detectors
    analog detectors
  • Question 15
    30 seconds
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    Q. If a dying star has a companion, what force can shape the solar wind so that it's not spherical?
    answer choices
    electron degeneracy force
    gravitational force
    centripetal force
    centrifugal force
  • Question 16
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    Q. Many weird and fantastic shapes in planetaries may be due to progenitor stars that have ___
    answer choices
    expelled other stars
    expelled their planets
    swallowed their planets
    swallowed other stars
  • Question 17
    30 seconds
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    Q. Which element, originally dubbed nebulium, causes planetary nebulae to glow green?
    answer choices
    hydrogen
    helium
    oxygen
    nitrogen
  • Question 18
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    Q. Which elements can cause planetary nebulae to glow red?
    answer choices
    oxygen, nitrogen, and sulfur
    hydrogen, nitrogen, and sulfur
    hydrogen, oxygen, and sulfur
    hydrogen, nitrogen, and oxygen
  • Question 19
    30 seconds
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    Q. How long can the glowing gases of a planetary nebula be seen, before they fade?
    answer choices
    a few years
    a few thousand years
    a few million years
    a few billion years
  • Question 20
    30 seconds
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    Q. When the Sun becomes a white dwarf, it most likely will ___
    answer choices
    go quietly, without a lot of visible fanfare
    create a planetary nebulae
    make the surrounding gas glow
    explode in a supernova
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