The above reactions are of the ___________________
a. proton-proton fusion chain
b. hydrogen-hydrogen fusion chain
c. CNO cycle
d. All of the other choices are correct.
C
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Which has the larger light-gathering power?
a. A telescope of 5 cm diameter and focal length of 50 cm. b. A telescope of 6 cm diameter and focal length of 100 cm. c. A telescope of 2 cm diameter and focal length of 100 cm. d. A telescope of 3 cm diameter and focal length of 75 cm. e. Both b and c since they have the same focal length.
The Chandrasekhar limit is the largest ________ a white dwarf can have.
A. mass B. temperature C. speed D. wavelength
State Kepler's first law
What will be an ideal response?
The ____________________ Tables were based on a heliocentric model of the universe and used elliptical orbits for the planets
Fill in the blank(s) with correct word