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Why might a Proxima Centauri look dimmer than a Betelgeuse?
Proxima Centauri has an insignificant luminosity to Betelgeuse. Although it is the closest known star(4.2 light-years) to our Sun, it is virtually impossible to see because it is so dim. Betelgeuse, on the other hand, is a lot farther (640 light-years). Yet, it is one of the brightest stars in our night sky. This is because Betelgeuse has an extremely high luminosity.
When you look up at the sky at Proxima Centauri how long will it be before someone there saw it?
When you look up at the sky at Proxima Centauri, you see it as it was 4.2 years ago. It will be another 4.2 years from now before somebody at Proxima Centauri sees you looking down at him. He will be troubled, and will wonder why you are looking down at him.
When we look up at the sky at proxima centauri how old is that light?
That light is 4.2 years old.
How many years pass before light from Alpha Centauri reaches earth?
Alpha Centauri is a triple star system. Alpha Centauri A, B & C or Proxima Centauri. Alpha Centauri A & B are 4.37 light years from the Earth whereas Alpha Centauri C is 4.243 light years.
How far away is the next nearest star?
Technically speaking the closest star to Earth is the sun which is about 93 000 000 miles (150 million kilometers) away. After that the next nearest star is Alpha Centauri and it is 4.37 light years away from our sun.
What does a person from betelgeuse look like?
Betelgeuse is a star, so there is little chance that anyone lives on it.
Why do some stars (not including our sun) look very small or dim even though they are mostly larger than our sun?
It is simply because they are much farther away. The nearest star to our sun is Proxima Centauri, at a distance of 4.2 light years, about 265,000 times farther away than the sun is.
Which dimmer switch to use with LED down lighters?
Look on the carton that the dimmer comes in. On the label there will be a list of lamp types that the dimmer can be used on along with the maximum wattage that the dimmer can control.
What is the nearest star to earth aside from sun look for distance?
alpha centauri
Why does alpha centauri not look as large as the sun?
Because it is still really far from earth
Are halogen lights able to be put on a dimmer switch?
Yes. There are various types of dimmers. Look for the halogen dimmer in your favorite search engine.
How can Betelgeuse look so bright if it is far away?
It is the brightest type of star, Red Supergiant.
