why universe is expanding?
Answers
Answered by
3
The accelerating expansion of the universe is the observation that theuniverse appears to be expanding at an increasing rate, so that the velocity at which a distant galaxy is receding from the observer is continuously increasing with time. ... The result was that the universe is expanding at an accelerating rate.
Arys:
can u tell me the Rate at which it is accelerating
Using standard candles with known intrinsic brightness, the expansion of the universe has been measured using redshift to derive Hubble's Constant: H0 = 67.15 ± 1.2 (km/s)/Mpc. For every million parsecs of distance from the observer, the rate of expansion increases by about 67 kilometers per second.
very confusing..isn't it?
ya if this is so, then why not the distance between the earth and sun increases?
the expansion rate between the sun and the earth should be 3.6 ×10^-7 m/s if we evaluate the expansion rate of the universe. but it hasn't proved satisfactory yet due to the fact that the cosmic expansion works on the largest of scales, the scale of the galaxies. In other words, our solar system – our sun and its family of eight planets – is not expanding. they are held together gravitationally.
thanks!
plz select my answer as the brainliest
Similar questions