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Sun, Stars, and Stellar Evolution

Tests knowledge on the Sun, star properties and stellar evolution including star deaths. 15 Questions.

 
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sbushnell
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1

Most stars are of which type?

  • blue supergiants
  • yellow dwarfs (like our Sun)
  • red dwarfs
  • red giants

2

Put the following in the correct order for the stellar evolution of a sun-like star.white dwarf, protostar, main sequence, red giant

Click, drag and drop answers to sort
  • red giant
  • white dwarf
  • protostar
  • main sequence

3

Which magnitude would be the brightest?

  • -3
  • 2
  • 0
  • -1

4

Which property of stars determines where they are on the main sequence and how long they live?

  • luminosity
  • mass
  • temperature
  • distance

5

Spectral class for stars is determined by what property?

  • mass
  • distance
  • luminosity
  • temperature

6

Which is the most energetic of the active sites on the Sun?

  • flares
  • coronal mass ejections
  • prominences
  • granuals

7

How do stars, including the Sun, produce its energy?

  • scientist don't know
  • fire in its atmosphere
  • nuclear fission
  • nuclear fusion

8

How long is the Sun's solar cycle?

  • 11 years
  • 9 months
  • 5 years
  • 30 days

9

Which is not a property of an open cluster?

  • appears blue
  • loosely bound together
  • spherical in shape
  • young

10

What keeps a white dwarf in hydrostatic equilibrium?

  • nuclear fusion
  • electron degeneracy
  • neutron degeneracy
  • nothing

11

Which is another name for a "failed star"?

  • brown dwarf
  • red dwarf
  • white dwarf
  • black dwarf

12

How do the most massive stars die?

  • brown dwarf
  • white dwarf
  • neutron star
  • black hole

13

When stars move off the main sequence, where to on the H-R diagram do they move? (as you look at the diagram)

  • upper left
  • upper right
  • lower left
  • lower right

14

When stars, including our Sun, run out of hydrogen to fuse, what stage of life do they enter?

  • planetary nebula
  • white dwarf
  • supernova
  • red giant

15

Which of the following is the death of a massive star?

  • nova
  • supernova type I
  • supernova type II
  • X ray burst

 

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