Quiz 1 Flashcards
This theory postulates that 13.7 billion years ago, the universe experienced a sudden inflation from a singularity to its present size and much cooler state.
The BigBang theory
When did bigbang was postulated?
13.7 billion years ago
Scientists who greatly impact Big Bang
Edwin Hubble, George Lemaitre, and George Gamow
he proposed that galaxies are moving from one another and this statement became an evidence of an expanding universe.
Edwin Hubble
he was the first proponent to attempt an explanation of Big Bang based on the notion of “primeval atom” or singularity.
George Lemaitre
Formulated the Big Bang theory known today. Gamow together with his colleagues, explained the series of thermonuclear reactions that happened which distributed chemical elements throughout the universe
George Gamow
it is a region of zero volume and infinite density, and infinite gravity.
SINGULARITY
Dark matter consists of how many percent
27%
Baryonic matter or Ordinary Matter consist of how many percent
5%
Dark energy consist of how many percent
68%
Ordinary matter consist of
4% H and He <1% Stars <1% Other
It is the major evidence of Big Bang by Edwin Hubble which infers that the galaxies are moving away from one another which supports the expansion of the universe.
UNIVERSAL REDSHIFT
is a phenomenon associated with waves, sounds wave and light waves (Harris, 2015)
Doppler Effect
used to broadcast radio and television
Radio wave
used in cooking, radar, telephone and other signals
Microwave
transmits heat from sun, fires, radiators
Infrared