SCIENCE MIDTERMS (GOODLUCK) Flashcards
this is the one one who study cosmology
cosmologists
origin of universe
cosmology
idea of collosal explosion
george gamow
cosmo came from the word ______
kosmos which means order
400,000 years
existence of cmb (cosmic microwave background)
logy came from the word____
logos which means study of
8.7 B years
formation of solar system
idea of expansion
georges lemaitre
father of bigbang theory
georges lemaitre
1B years
first galaxy
proves the expansion
edwin hubble
13.7 B years
recent life
expanding but the density is still the the same
steady state theory
400M years
first star
vacuum energy, blachole
cosmic inflation
helio means ___
sun
what are the 7 steps in scientific method
composed of hydrogen & helium
sun
the one who proves the helio centic model
galileo galilei
requires intelligence, imagination, and creativity
scientific method
what model is this: the sun is in the center
helio centic model
idea of helio centric
nicolaus copernicus
geo means ___
earth
what model is this: earth is in the center
geo centric model
idea of geo centric model
cladius ptolemy
biggest star in our solar system
sun
what are the four terrestrial planets
mercury, venus, earth, and mars
what are the four jovian planets
jupiter, saturn, uranus, and neptune
describe the panet mercury
it is the smallest planet, 88 earth days, has no moon