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

How do I measure temperature

in this type of government there is no clear -cut separation of powers between the legislative and executive branches though the legislative has most of the gov

what percent of 49.2 is 25.83

what is the least common factor of 5 and 150?

wilder has placed actors in several parts of the theater in addition to those on the stage. true false

theres 8 kids on the bus and 5 are boys whats the fraction

the spanish word for the color red

Kim estimates that the faucet in her kitchen drips at a rate of 1 drop every 3 seconds. Erik wants to know how many times the faucet drips in a week.

A car accelerates uniformly from rest to a speed of 56.1 km/h (15.6 m/s) in 8 s. Find the distance the car travels during this time.

what is defined as anything made up of atoms that has mass and takes up space? a. molecules b. alloys c. matter d. mixtures