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Stars

Test Description: Stages of Stars

Instructions: Answer all questions to get your test result.

1) Gas and dust in interstellar nebulae can form

Aasteroids Bstars Ccomets Dmeteors

2) What element is the main component of most stars?

Aoxygen Bhydrogen Ciron Dnitrogen

3) A star might be much brighter than it appears to be. This is called the star's absolute magnitude. The difference in apparent magnitude and absolute magnitude is due primarily to the star's

Adistance from Earth Bsurface temperature Cmotion through the universe Ddiameter

4) What is the first stage in the life cycle of a star?

Astellar nebula Bdwarf star Cblack hole Dmain-sequence

5) Which layer of the sun is most dense?

Aphotosphere Bcorona Cchromosphere Dcore

6) What type of galaxy is our Milky Way?

Aelliptical Birregular Csupergiant Dspiral

7) Which property of a star tells us the composition of that Star?

Aluminosity Bspectrum Capparent magnitude Dabsolute magnitude

8) Which of these facts is the best supporting evidence that the universe is expanding?

Athe stars vary in chemical composition Bthe galaxies can spin to form eddies Cthe galaxies are moving away from each other Dthe universe is filled with galaxies of different sizes

9) Which of the following is the correct order of stages in the life cycle of our Sun?

Anebula, white dwarf, main-sequence, giant Bwhite dwarf, nebula, main-sequence, giant Cnebula, main-sequence, giant, white dwarf Dnebula, giant, main-sequence, white dwarf

10) A star that explodes is known as a

Asupernova Bnebula Csupergiant Dmain-sequence

*select an answer for all questions

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