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

Michelle has $12.30 in her purse in 1 cent 5 cent and 25 cent coins. if she has an equal number of each coin type how many coins does Michelle have in her purse
The areas of two circles are 36(pi) and 64(pi). What is hte ratio of the diameters? of the circumferences?
What are the positive and negative aspects of a zoo or safari park?
What is/was the American dream? I need at least 10 bullet points about what the American dream was please somebody help me
it is asking me to insert parentasies
one way that animals adapt to seasonal change
In Latin America, what did land reform accomplish?
What's the value of pi?
Hitler intended to defeat great Britain by
15 times what equals 45