Yukterez hat geschrieben:
Regarding recently discovered dark energy and its implication on the cosmological constant, Leonard Susskind says "The great mystery is not why there is dark energy. The great mystery is why there is so little of it [10-122]... The fact that we are just on the knife edge of existence, [that] if dark energy were very much bigger we wouldn’t be here, that's the mystery." A slightly larger quantity of dark energy, or a slightly larger value of the cosmological constant would have caused spacetime to expand rapidly enough that galaxies would not form
Regarding recently discovered dark energy and its implication on the cosmological constant, Leonard Susskind says "The great mystery is not why there is dark energy. The great mystery is why there is so little of it [10⁻¹²²]... The fact that we are just on the knife edge of existence, [that] if dark energy were very much bigger we wouldn’t be here, that's the mystery." A slightly larger quantity of dark energy, or a slightly larger value of the cosmological constant would have caused space to expand rapidly enough that galaxies would not form
Zitat:
(cur | prev) 21:54,
25 January 2016 Yukterez (talk | contribs) . . (43,590 bytes) (-5) . . (→not spacetime expands (durations between events increase) but space expands with time (distances grow with time) - common misconception fixed, see Talk) (undo)
(cur | prev) 21:31,
25 January 2016 Yukterez (talk | contribs) m . . (43,595 bytes) (+8) . . (→in an expanding universe it is not spacetime but space which expands (with time), see
http://www.lecture-notes.co.uk/susskind ... space-time) (undo)
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