bryceisabeast1107 bryceisabeast1107

05-08-2021
Physics

contestada

If star A is 20 light years away from earth and star B is 40 light years away from earth,which star appears brighter and by what factor?

Respuesta :

sakshisetia56 sakshisetia56

05-08-2021

Answer:

Because Star A and Star B have identical luminosities, the difference in their apparent brightness is due solely to distance. Star B is twice as far from Earth as Star A.

Explanation:

Answer Link

Otras preguntas

Kepler's Laws of Motion explain why ________. A planets closer to the sun travel faster in their orbits than planets that are far away from the sun B comets hav

Which of the following expresses the coordinates of the foci of the conic section shown below? (x+2)^2/64+(y-1)^2/81=1

rewrite using addition. 3(-17) explain

Round 59.378 to the nearest hundredth.

what Arabic country is known by the separation of it's parts ?

Tell which property is illustrated by the statement. n×1=n

Today give me 5 songs that you like the melody. Give me a reason why you like the melody in each song.

Use the excerpt from “Out Where the West Begins” by Arthur Chapman to answer the question. “Out where the handclasp's a little stronger, Out where the smile dwe

Your cat is 8 years younger than your friend. In 4 years, your friend will be twice as old as your cat. How old is your cat now? years old

How has congress achieved powers not specifically assigned to it by the constitution.