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

what is keplers .explain every law of planetary motion.​
Select the correct answer. If 21% of males and 15% of females in a given state play the guitar, what is the probability that a randomly selected subject in the
Your round-trip drive to work is 4310 miles. How many miles do you drive to and from work in 3 days?
Complete the equation of the line through (-8,-2) and (-4,6). Use exact numbers. Y=
What is y=2x+8 if x is 2
A boat with a horizontal tow rope pulls a water skier. She skis off to the side so that the rope makes an angle of 10 degrees with the forward direction of moti
To be labeled as a jumbo egg, the egg is supposed to weight 2.5 oz. However, when Desmond buys a carton of jumbo eggs, the weight of one is 2.4 oz. What is the
What action taken by Roosevelt is symbolized in this cartoon?
please help thanks❗​
the people of india did not see them selves as a cohesive whole the way people in china did during the classical era