Ever since the world and the solar system were created.
My all stars have the date 1985 so maybe then.
My all stars have the date 1985 so maybe then.
Since not long after the formation of the first stars, over 11 billion years ago. It is a product of stellar nuclear fusion.
Since the first man as on earth. Stars have been known for thousands of years!
4000billion years +
Like most bright stars, humans have been able to see Betelgeuse for as long as humans have been around, so nobody could be said to have discovered it.
how long has deforestation been around
As long as guns have been around.
Well it depends on what you mean. The distance for how long it takes, or the time as in how long since Earth was made. Earth as you know has been here a long long time. Stars light has been shinning towards Earth eversince it was made. To see how long it takes for a stars light to reach Earth depends on how distant and huge the star is.
Yes, there are some stars as small as earth. It depends, however, on where the stars are located and how long they have been burnt out.
how long has the london eye been around for
As long as So Random has been around.