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

Flowering plants and shrubs are unable to grow in deciduous temperate rain forests. What is the possible reason for this phenomenon?
The country of Saudi Arabia has invested heavily in improving its human capital and physical capital. Which is a likely result of this increased investment? a.
Limestone deposits are often evidence of ancient tropical seas true or false
Which statement best summarizes the law of conservation of energy A) When work is done, energy is lost. B) Heat flows from a warm body to a cold body. C) If e
what decimal is equivalent to 9\100
At a train station, freight trains depart at a rate of 2 trains every 30 minutes and passenger trains depart at a rate of 1 train every 90 minutes. At this rate
the first nucleus of an atom was shown as
Questions eleven all the way to twenty
The large connected urban area from Boston to Washington, DC, is often referred to as a(n) __________.
enrique and levi together have 386 trading cards. if enruque has 221 tradibg cards, how many does lwvi have?