1) Hawking showed that black holes will: a) emit particles, b) attract light, c) grow, d)
convect, e) transport humans to alternate universes.
2) Based on the average density of the universe measured from the visible stars, the
universe should go through a Big Crunch.
3) There seems to be large voids in space nearly 50 million years across.
4) A supernova is a: a) red giant, b) the collapse of an entire region of space, c) a
preliminary black hole, d) the first stars to form in the universe, e) the death throes of a
star greater than 2 solar masses.
5) Measurements of the way the galaxies are distributed throughout the universe can best
be defined by: a) balloons, b) rice pudding with raisins, c) soup with beans, d) bubbles, e)
smoke and mirrors.
6) Glashow, Weinberg, and Salam developed the theory of quantum mechanics and won
a Noble Prize in the process.
7) There are no stable isotopes of technetium.
8) The “great wall” refers to Chinese astronauts.
9) Vera Rubin discovered that there was matter in space that was later called
______________ matter because we do not know what it consists of.
10) Elements larger than helium are produced in both red giants and supernovas.
11) The strong force: a) holds the electrons to the nucleus of the atom, b) holds protons
and other nuclear particles together, c) governs radioactive decay, d) holds planets in
place, e) is the major force in black holes.
12) The Theory of Everything: a) was Einstein’s attempt to unite all of the forces under
one, b) is a description of the Big Bang, c) is a description of the symmetry within a black
hole, d) is a way to explain quantum mechanics, e) is the unification of all the forces
under one force.
13) Not even light can escape the gravitational pull of a black hole.
14) Quantum fluctuations in the background radiation may be the underlying cause of the
formation of the galaxies.
15) Einstein and de Sitter thought the universe was ____________.