Ask a New Question

Question

Star A is four times as far away as star B, but they have the same luminosity. Which appears brighter from Earth. and by how much?
7 years ago

Answers

Scott
it's an inverse square relationship

B appears 16 times brighter ... 4^2
7 years ago
fun times
Oh, right, thanks so much
7 years ago

Related Questions

The star has a mass n_1 times that of the planet, which orbits this star. For a person on the planet... Another star cluster ("star cluster 2") lies 7.4 Mega-parsecs from the starship, and has an apparent... Star A has 3 times the surface temperature and 0.6 times the radius of Star B. What is the ratio of... Two stars, star A and star B, have equal luminosities. Star A is closer and has a slightly higher su... Three stars, Star 1, Star 2, and Star 3, are at almost equal distances from Earth. The table below s... A star that's 1,000 times as massive as the sun will ultimately become a The star Aldebaran is 44 times larger than the Sun. Which statement below accurately measures Aldeb...
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use