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Yes, blue stars are considered to be the hottest stars in the present classification of stars in the known universe.
There are about 1011 (a 1, followed by 11 zeroes) galaxies in the known Universe. It is not currently known how much bigger the entire Universe is, compared to the known Universe.
He was the first person to present an explicit argument for a heliocentric model of the solar system, placing the Sun, not the Earth, at the center of the known universe
Known Universe - 2009 was released on: USA: 15 February 2009
None. There is no known center to the universe.
There are no known alien civilizations in our universe.
There are currently no known means to actually separate parts of the universe physically from the rest of the universe.
There is no known end to the Universe. It is always expanding, too.
The Universe is bigger. The Universe encompasses everything we know; it isn't known whether there are other universes.
An esrevinu.
Astrology is the study of the influence that the stars and planets have over mundane affairs. It is a pseudoscience, since no scientific evidence has been found for its validity.Astronomy is the study of the known universe through scientific means.
Answer:The biggest thing known to man is the Universe (Not observable universe) But if Omniverse exist, that would be the biggest thing known to Man.