True or False (EXPLAIN) a) We appear to be orbiting the center of the Milky Way

Question

True or False (EXPLAIN)

a) We appear to be orbiting the center of the Milky Way galaxy with a speed of about 500,000 mph (about means within a factor of 5).

b) The Andromeda galaxy is a galaxy very much like our own and is about 2 million light years away from us. minor galaxies).

c) A REGULAR cluster of galaxies has THOUSANDS of galaxies (counting both major and

d) There do NOT appear to be SUPER-clusters of galaxies.
e) There appears to be enough visible matter for the universe to be CLOSED.
g) The Steady State theory of the universe explains the red-shift of the galaxies as due to the galaxies actually receeding, but explains the steady state nature of the universe as being due to the creation of matter in the intergalactic regions from which new galaxies are being formed. This theory is NOT currently in favor but for reasons OTHER than those stated above.

Explanation / Answer

A) true, we are orbiting milky way at 500,000 mph

B)true, amut is similar to milky way and is at a distance of 2.5 million light years from us

C)true, a Galaxy cluster has thousands of galaxies

D)false, there are superclusters of galxies which are connected by filaments and separated by voids together form superclusters

E)false, there is very less visible matter

G) It is true, the theory is currently not in the favour. This theory was able to explain the red shif but not the cosmic microwave background radiation.

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