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They are larger and have more energy
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What are Two reasons why one star would be brighter than another?
It's either closer or it's brighter.
Which star is brighter a star with a magnitude of 3.2 or 4.6?
A star with an apparent visual magnitude of 3.2 appears 1.4 magnitudes brighter than another one whose apparent visual magnitude is 4.6 .
Which is the brighter star aldeberan or Betelgeuse?
Betelgeuse is more luminous than Aldebaran.
How can a cool star be more luminous than a hot star?
Luminosity is related to temperature and distance.A cool and thus less luminous star would be brighter than a more luminous star at a greater distance.Our Sun is a relatively cool star in comparison to say Rigel, but because it is closer it appears more luminous and brighter.
Which star is brighter Betelgeuse or Rigel?
Rigel is brighter than Betelgeuse.
What is a brighter star?
A star that is brighter than another.
How can you tell if a star is brighter than another?
The star might be closer to the Earth, or it is just brighter than the others. :D
What are Two reasons why one star would be brighter than another?
It's either closer or it's brighter.
What are the factors that make one star appear brighter than another star?
The size of the star, because the smaller the star the hotter it is because of nuclear fusion. So the hotter the brighter.
What scale can help understand which star is brighter than another?
Apparent and absolute magnitude
Which star is brighter a star with a magnitude of 3.2 or 4.6?
A star with an apparent visual magnitude of 3.2 appears 1.4 magnitudes brighter than another one whose apparent visual magnitude is 4.6 .
Which is the brighter star aldeberan or Betelgeuse?
Betelgeuse is more luminous than Aldebaran.
Star A is a first magnitude star. Star B is a sixth magnitude star. Which star is brighter and by how much?
A magnitude 1 star is 100 times brighter than a magnitude 6 star.A magnitude 1 star is 100 times brighter than a magnitude 6 star.A magnitude 1 star is 100 times brighter than a magnitude 6 star.A magnitude 1 star is 100 times brighter than a magnitude 6 star.
Why does Sirius star look brighter than alpha centauri star?
Because it actuall IS brighter.
How can a cool star be more luminous than a hot star?
Luminosity is related to temperature and distance.A cool and thus less luminous star would be brighter than a more luminous star at a greater distance.Our Sun is a relatively cool star in comparison to say Rigel, but because it is closer it appears more luminous and brighter.
Which star is brighter Betelgeuse or Rigel?
Rigel is brighter than Betelgeuse.
Why does star Sirius appear brighter than star pollux?
While Pollux is actually brighter than Sirius, Sirius appears brighter because it is several times closer.
