What type of telescope is the Hubble Space Telescope?
A) refractor
B) prime focus
C) Newtonian
D) Cassegrain
E) Nasmyth/Coude
D
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The capture of too few solar neutrinos by Davis in the solar neutrino experiment
a. has been disproved by the results of later experiments. b. can be explained if the sun is not undergoing thermonuclear fusion of hydrogen in its core. c. indicates that the sun's core is much hotter than expected. d. indicates that the sun's core is convective. e. none of the above
Galactic cannibalism refers to
a. binary galaxies. b. the merging of galaxies. c. galaxies drawing in gas from the intergalactic medium. d. the destruction of a galaxy's globular clusters by the galaxy's nucleus. e. None of the other choices are correct.
Size of the Nucleus: Calculate the estimated nuclear radius of 
Sr?
A. 4.0 × 10-15 m B. 1.2 × 10-15 m C. 1.1 × 10-13 m D. 5.4 × 10-15 m E. 3.3 × 10-13 m
All Type II supernovae produce neutron stars when they collapse
Indicate whether the statement is true or false