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Spectral Classification Quiz

Authored by Shiva Basavaraju

Physics

6th Grade

Used 1+ times

Spectral Classification Quiz
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14 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the Harvard system, which spectral class comes first in order of decreasing temperature?

M

G

O

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What information does the spectral class in the Harvard system primarily indicate?

Luminosity

Age

Surface temperature

Composition

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the Yerkes system, what additional information is provided by the luminosity class compared to the Harvard system?

Age

Composition

Star's relative brightness

Size

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which spectral class represents the hottest stars in the Yerkes system?

G

K

O

M

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which spectral class in the Yerkes system typically represents red giants?

O

B

A

M

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which Yerkes luminosity class represents supergiants?

I

II (Roman numeral one)

III

V

7.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the difference between a star classified as O5V and a star classified as B3III in the Yerkes system?

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