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

Why did ponyboy and two bit think they couldn't get along without johnny?
PLEASE HELP ME WITH THIS QUESTION!!!! Which sample of matter has particles arranged in a crystalline structure? A) Ne(g) B) Br2(l) C) NaCl
As you slide a heavy box across the floor, friction applies a force of -30 n over a distance of 2 m. how much work is done by friction?
Manuel bought 9 pounds of apples. He has eaten 3/4 of a pound so far and has $15 worth of apples left. Write and solve an equation to find the cost of the apple
Simplify 2^3 x 2^18 A. 2^54 B. 4^54 C. 4^21 D. 2^21
Help me me please please
How did the Assyrian Empire develop
How much work is needed to increase the speed of a 2.4 kg cart from 6.0m/s to 10.0m/s?
True or false? If a patient requests an appointment during a time that the provider is already booked, it is permissible to overbook the provider because the pa
What percentage of standard test scores is between 195 and 855?