Q1: Lesson 1 | Big Bang Flashcards
the leading explanation for how the universe began
big bang theory
a point of infinite denseness and heat
singularity
when did the big bang occur
13.7 billion years ago
propenent of the bbt
georges lemaitre
other name for bbt
cosmic egg
proponent of steady state theory
fred hoyle
it states that matter is constantly created as the universe expanded
steady-state theory
it states that mater dilutes as the universe expands
big bang cosmology
hubble law
the farther the galaxy, the faster it is moving away from us
what are the two basis of the big bang
red shift and cosmic microwave background radiation
heat left over from the big bang
cmbr
when did time began
10^-43 sec
under this scenario, dark energy keeps pulling the universe apart at an ever accelerating speed until everything in the universe pulls itself apart
big rip
if the expansion of the universe continues, planets, stars, and galaxies would be so far apart that the stars will no longer have access to raw materials for star formation
big freeze
the universe expansion will come to a halt which collapse in on itself potentially sparking another big bang
big crunch
