CharlieChapstick13 CharlieChapstick13

02-12-2020
Mathematics

contestada

What two properties of a Cepheid variable star do we need to know in order to calculate the approximate distance from Earth?

(choose two)

1.) luminosity

2.) parallax

3.) color

4.) heat intensity

5.) exact size

6.) apparent magnitude

Respuesta :

bestevan921 bestevan921

02-12-2020

Answer:

4 and 6

Step-by-step explanation:

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