How do we find binary stars in the night sky?

Geography

2 answers:

Kipish [7]3 years ago

7 0

Answer:

Explanation:

It is also possible to detect binary stars using a spectroscope. If two stars are orbiting each other they will both produce a spectrum. If the stars are close to being the same brightness it is possible to see different spectral lines from both stars

Novosadov [1.4K]3 years ago

3 0

Spectroscopic Binary
It is also possible to detect binary stars using a spectroscope. If two stars are orbiting each other they will both produce a spectrum. If the stars are close to being the same brightness it is possible to see different spectral lines from both stars.

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Helpppp pleaseeee and thankyouuuu

gulaghasi [49]

Answer:

For the ones that say use calculator try it. Just pop it in and you get your answer :D

Explanation:

rounding

a. 6.54 = 6.5

if the number is 5 or above round up and drop the numbers to the right of it

if its 4 or under drop the numbers to the right of it

in this case your tenth place is 5 so you drop the four.

follow this formula for the rest