Which of the following hypothetical discoveries would be most surprising given our current theory of how stars and planets are born?
A) A star system has 5 terrestrial planets and 3 jovian planets, with all the terrestrial planets orbiting in one direction all the jovian planets orbiting in the opposite direction.
B) A star system has 12 planets, 3 of which do not seem to fit either the terrestrial or jovian categories.
C) A star system has 20 planets.
D) A star system with 7 planets, 2 of which rotate in a direction opposite to their orbital directions.
A) A star system has 5 terrestrial planets and 3 jovian planets, with all the terrestrial planets orbiting in one direction all the jovian planets orbiting in the opposite direction.
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________ galaxies may bridge the gap between spiral galaxies and quasars
A) Hickson B) Arp C) Core-halo D) Seyfert E) Hubble
The root-mean-square speed (thermal speed) of the molecules of a gas is 200 m/s at a temperature 23.0°C. What is the mass of the individual molecules? The Boltzmann constant is 1.38 × 10-23 J/K
A) 2.13 × 10-25 kg B) 2.45 × 10-25 kg C) 5.66 × 10-25 kg D) 1.78 × 10-25 kg E) 3.11 × 10-25 kg
Bohr's quantum condition was
A) angular momentum is quantized. B) energy is exchanged when changing state. C) a photon is emitted as a quantum of energy D) electron orbits are stationary states. E) none of the above.
Explain the relationship between the general circulation of the air and the circulation of ocean currents
What will be an ideal response?