Sentences with phrase «hot big bang theory»

The first results from the FIRAS experiment, using only 9 minutes of data, showed that the cosmic background radiation has exactly the black - body spectrum expected in the hot big bang theory, with a temperature of 2.735 + / - 0.060 kelvin.

Not exact matches

The present most widely accepted theory of the origin of the universe — that of the hot big bang — claims that most of the helium is the product of the big bang itself and occurred within the very first minute of the existence of the expanding universe, and that the background radiation which is now being studied so intensively provides some evidence of the date of this initial explosion.

Such a theory would be crucial for explaining the first moments of the big bang, when the universe was dense, hot and small, or what happens near the singularity at the cores of black holes, where the effects of quantum physics may compete with those of general relativity.

According to the big bang theory, the first stars — formed from a primordial gas of hydrogen and helium — were hot, massive, and short - lived.

The big bang theory holds that space and time sprang into existence 14 billion years ago from a hot, dense fireball.

According to the big bang theory, for the first 380,000 years after the big bang, the expanding universe was so hot that all matter was ionized.