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

Which of the following is TRUE of all bases?
Complete the similarity statement with capital letters.POSN ~ ??
Please and Thank You ​
the perimeter of a rectangle is 30 cm. The height is 5 cm . what is the area of that rectangle.​
q + 12 ≥ 5 Solve the inequality
A balloon of hydrogen is put into to pressure chamber. The initial pressure and volume of hydrogen is 1 atm and .5 cm3. The pressure of the chamber is increased
At a pep rally 14 out of 20 students who entered the gym were carrying a backpack. Based on this information, if 1,400 students were at the pep rally, how many
On Christian's shelf are: 6 mystery books 5 science books 4 history books 3 adventure books Christian will randomly choose 1 book to read. What is the probabil
Kristen takes a 75-inch by 40-inch rectangle of fabric and cuts from one corner of the piece of fabric to the diagonally opposite corner. Now Kristen has two e
Multiply x^2 y(3xy - 2x^2 y)