Lecture 1 - Intro Flashcards
1
Q
on large, cosmological scales, the universe is:
A
- homogenous (the same everywhere)
- isotrophic (looks the same in every direction)
2
Q
what is EUROPA?
A
smallest Galilean moons (out of 4) and orbits jupiter
3
Q
europa is the _th largest moon in the solar system
A
Europa is the 6th largest moon in the solar system
4
Q
describe the composition of europa (3)
A
- silicate rock
- water-ice crust
- iron-nickel core
5
Q
describe the atmosphere of europa
A
thin atmosphere, mainly made of O2
6
Q
Describe the surface of europa
A
white-beige surface with light tan cracks and streaks and few craters
smoothest surface of any known solid object in the solar system
7
Q
why might europa have the smoothest surface of any known solid object in the solar system?
A
there may be a water ocean beneath the surface with extra-terrestrial life
