Search results
2 hours ago · t. e. The cosmic microwave background ( CMB or CMBR) is microwave radiation that fills all space in the observable universe. It is a remnant that provides an important source of data on the primordial universe. [1] With a standard optical telescope, the background space between stars and galaxies is almost completely dark.
1 day ago · The special theory of relativity cannot account for gravity. Its successor, the general theory of relativity, explains gravity by recognizing that spacetime is not fixed but instead dynamical. In general relativity, gravitational force is reimagined as curvature of spacetime. A curved path like an orbit is not the result of a force deflecting a ...
People also ask
What is general relativity cosmology?
What is the assumption of Newtonian mechanics in special relativity?
Where can I find a book about relativity?
How did Newton's second law generalize gravity to all forces?
1 day ago · General relativity. General relativity is a theory of gravity that advances beyond that of Newton. In general relativity, the gravitational force of Newtonian mechanics is reimagined as curvature of spacetime. A curved path like an orbit, attributed to a gravitational force in Newtonian mechanics, is not the result of a force deflecting a body ...
1 day ago · A supernova ( pl.: supernovae or supernovas) is a powerful and luminous explosion of a star. A supernova occurs during the last evolutionary stages of a massive star, or when a white dwarf is triggered into runaway nuclear fusion. The original object, called the progenitor, either collapses to a neutron star or black hole, or is completely ...
1 day ago · Stalinism is the totalitarian [1] [2] [3] means of governing and Marxist–Leninist policies implemented in the Soviet Union (USSR) from 1927 to 1953 by dictator Joseph Stalin. Stalin had previously made a career as a gangster and robber, [4] working to fund revolutionary activities, before eventually becoming General Secretary of the Soviet Union.
2 hours ago · 5 ( five) is a number, numeral and digit. It is the natural number, and cardinal number, following 4 and preceding 6, and is a prime number. The first Pythagorean triple. Five is the third-smallest prime number, [1] equal to the sum of the only consecutive positive integers to also be prime numbers ( 2 + 3 ).
1 day ago · American writer Mark Twain (1835−1910) German inventions and discoveries are ideas, objects, processes or techniques invented, innovated or discovered, partially or entirely, in Germany or abroad by a person from Germany (that is, someone born in Germany – including to non-German parents – or born abroad with at least one German parent and who had the majority of their education or ...
