1
Q
TF The sun is on fire
A
F
2
Q
what is gravitational equilibrium
A
Energy supplied by fusion maintains the pressure that balances the inward crush of gravity
3
Q
what is fission
A
Big nucleus splits into smaller
pieces
4
Q
what is fusion
A
Small nuclei stick together to make a bigger one
5
Q
Tf you need high speed for nuclear fusion
A
T
6
Q
how does the sun release energy
A
by fusing four hydrogen nuclei into one helium nucleus
7
Q
A
Astronomy
flashcards
Decks in class (15)
# Cards
-
CP 1 A Modern View of the Universe22
-
CP 3 The Ancient Roots of Science14
-
CP 5 Reading Messages from the Cosmos27
-
CP 6 Telescopes: Portals of Discovery17
-
CP 14 Our Star7
-
CP 15 Surveying the Stars19
-
CP 16 Star-Forming Clouds14
-
CP 17 Star Stuff11
-
CP 18 Stellar Graveyard14
-
CP 19 Our Galaxy11
-
CP 20 Galaxies and the Foundation of Modern Cosmology17
-
CP 21 Galaxy Evolution20
-
CP 22 The Birth of the Universe14
-
CP 23 Dark Matter, Dark Energy, and the Fate of the Universe22
-
CP 24 Life in the Universe16
