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

here are the first four terms of an arithmetic sequence: 6,13,20,27 write down, in terms of n, an expression for the nth term of this sequence
What gave portugal an advantage in the slave trade?
What subatomic particles do the following symbols represent in the atomic diagrams
At the end of the summer, Caitlin had saved $120 from her summer job. This was her initial deposit into a new savings account at the bank. As the school year st
800,00 rounded to the nearest hundred thousand
Describe the principle of overload and explain how frequency intensity time and type can help you safely apply overload to your favorite activity
Hi can you guys help me? In 1,2,3 and 4? Given the function, complete the table of values then graph the ordered pairs.
make sure the answer is correct!! Put the following in order: 5, 2square root5, square root 26, and 3 pie.
An estimate for -√93 is ________. (a) -8.1 (b) -8.5 (c) -9.1 (d) -9.5
What did Greek women do when they couldn’t participate in the Olympic Games?