[Answered] The star HR 4621 has an apparent magnitude of 2.6 and an absolute magnitude of -0.3 . This star is ...

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corkyiscool3328

Hero Member
Posts: 539

on: Jul 27, 2018

The star HR 4621 has an apparent magnitude of 2.6 and an absolute magnitude of -0.3 . This star is at a distance

a. closer than 10 pc.
b. farther than 10 pc.
c. No way to tell.

Question 2

CCD stands for a

a. photometer.
b. charge-coupled device.
c. spectrograph.
d. core collapse device.
e. grating.

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robbielu01

Sr. Member
Posts: 336

Reply #1 on: Jul 27, 2018

Answer to Question 1

b

Answer to Question 2

b

corkyiscool3328

Hero Member
Posts: 539

Reply #2 on: Jul 27, 2018

Thanks

robbielu01

Sr. Member
Posts: 336

Reply #3 on: Jul 27, 2018

Welcome

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