Why were the observations made by the COBE satellite so important to cosmology?

The red shift explains the expansion of universe.The CMBR represent the remains of ..2.7 degree K is every where in the universe..The distant galaxies move at more speed than near...

are standard candles.But when the galaxy is very far away we can not resolve individual stars.

The Sophists were a pre-scientific approach to philosophy that, in terms of origin of and "heavenly bodies" were very big on "air connected theories". See example: Diogenes the Apolloniate premises...

First is the position of , before, they believed that the Earth is at the center of the universe. But Copernicus developed a theory that is at the center of...

Crescent phase of mercury and Venus happen only in Sun centered Universe Things go round other objects also.This proved that earth can not be center,.

Having said that, the one thing is common they both have is their cosmological ideas were developed in a pre-scientific time and today have no scientific validity. They are...

In case of antipodal beliefs in cosmology and a religion about universe, science could exercise a supervisory control over religion. Two millenniums ago, Aristarchus could not do that. But...

The Universe appears to have a value of $Omega$ very close to $1$. This means the internal angles of a triangle add to $180^@$ which is very odd, because it...

It is the remnant of the explosion that created universe It is the proof for big bang model of cosmology..

To do this problem, you need the $R = 6371 km$ For the satellite to be in a stable orbit at a height, h, its centripetal acceleration $V^2/(R + h)$...