EARTH SCI 1ST SET Flashcards
the wavelength of the light is stretched, so the light is seen as ‘shifted’ towards the red part of the spectrum.
redshift theory
galaxies are moving away from Earth at speeds proportional to their distance. In other words, the farther they are, the faster they are moving away from Earth
hubbles law
this singularity started to expand and stretch causing the universe to grow from a tiny point to as large as it is right now.
bigbang theory
maker of protoplanet theory
william mccrea
The denser regions of the cloud began to merge, with larger groups of dust forming the stars, and then the smaller groups of dust forming planetesimals.
protoplanet theory
first stages of planet development
planetesimals
As the sun and rogue star pull upon each other, material from both stars is thrown into space. This material eventually formed into the heavenly bodies of our solar system.
capture (tidal) theory
who proposed cappture theory
michael woolfson
The nebula, which is defined as a dense cloud of material in space, formed rings that spun due to angular momentum. These rings soon acrued into the planets and satellites that we know today.
solar nebula theory
who proposed solar nebula theory
alastair cameron
who proposed modern laplacian theory
pierre-simon laplace
group of galaxies
supercluster
prpoposed that planets are heliocentric
nicolaus copernicus
1912, vestoslipher noticed the concept of _______
redshift theory
pockets of light
photon
