Radiation or matter dominated the universe

Reference no: EM13551782

The evolution of the universe after the big bang is divided into a radiation dominated universe and a matter dominated universe. Which type of universe do we live in and what does it mean to say radiation or matter dominated the universe?

Reference no: EM13551782

Questions Cloud

Evaluate the temperature of the blood : Blood can carry excess energy from the interior to the surface of the body, where the energy is dispersed in a number of ways. determine the temperature of the blood

How far is the pivot from the sculpture''s center of mass : A 173-kg sculpture hangs from a horizontal rod that serves as a pivot about which the sculpture can oscillate. How far is the pivot from the sculpture's center of mass

How was the paradox resolved : Obler's paradox presented the contrary facts that the universe had to be infinite and uniform in order to be stable and if the universe was infinite the night sky should be as bright the surface of the stars. How was the paradox resolved?

The radiation emitted by the primordial fireball : The radiation emitted by the primordial fireball of the big bang had a blackbody spectrum corresponding to about 3000 K. We can still see this radiation but now it has a spectrum corresponding to about 2.7 K. 1. What is this radiation called and why ..

Radiation or matter dominated the universe : The evolution of the universe after the big bang is divided into a radiation dominated universe and a matter dominated universe. Which type of universe do we live in and what does it mean to say radiation or matter dominated the universe?

Find ts and the initial temperature of the silver : A block of silver, mass ms = 2.05 kg, is heated in a furnace to temperature Ts, but remains solid. It is now dropped on a block of ice, mass mi = 550 g and temperature Ti = 0o C. The combination reaches equilibrium at temperature Tf = 35.4 o C. Find ..

What is the ratio of the pressure amplitude of the wave : If two sound waves, one in air and one in (fresh) water are equal in intensity, what is the ratio of the pressure amplitude of the wave in water to that of the wave in air? Assume the water and the air are at 20°C.

Find the inductance of the coil and resistance of the coil : A copper wire wrapped into a coil is hooked to a 3.00V battery and a switch. At t=0 the switch S is closed. At t=20 seconds the current in the circuit is 24mA. After a long time the current in the circuit is 50mA.

The attraction of ceres ceres, the largest asteroid : The Attraction of Ceres Ceres, the largest asteroid known, has a mass of roughly 8.7x10^20kg .If Ceres passes within 1.2×104km of the spaceship in which a 65kg astronaut is traveling, what force does it exert on she? (Treat the astronaut and the aste..

User Account

All Pages