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What is a similarity between a heliocentric universe and a geocentric universe?
One would be that they both have a massive object in the center.
Which main sequence stars are most massive?
Most stars in the universe today are main sequence stars. Sirius A is the brightest star in the nighttime sky. The sun is the most massive main sequence star in the universe today.
What is the biggest thing in the universe called?
The biggest single thing in the universe that has been discovered is VY Canis Majoris, an incredibly massive star.
Where are neutron stars located at in the universe?
Mostly in galaxies, where they can form Super Massive Black Holes.
How does the big bang theory explain the expansion of your universe?
It doesn't really explain it as describe it. Think of the universe as sort of the smoke and debris that resulted from a massive explosion.
What has the most gravity in the universe?
Perhaps the most massive of all "singular" objects in the universe is a super-massive black hole.Certainly a galaxy that has many black holes in it and billions and billions of stars has more mass and more gravity than any star or smaller galaxy. But as regards "point objects" in our uinverse. The most massive black holes, the so-called super-massive black holes, are the ones with the most gravity.
How are black holes created in the universe?
By the gravitational collapse of massive stars - once they stop producing energy.
What will happenn on the 12-12-12?
there will be a massive Nuclear power plant explosion in China which will whipe out the whole of the universe.
Why is earth so small and insignificant?
Because you're comparing it to the universe. Compare it to a grain of sand and it looks massive.
How would the universe be different if massive starts didnt explode?
We wouldn't have the heavy elements... and as a result, we wouldn't exist.
Where in the universe are heavy elements with masses greater that that of helium being produced today?
In the interior of certain massive stars.
How would the universe be different if massive stars did not explode at the end of their lives?
Well neither, you or I would exist. Without the influx of heavy elements, the Universe would be a very sterile place.
