What happened during the accretion phase of the early solar system?
A) Atoms of hydrogen and helium gas bonded together and solidified.
B) Particles grew by colliding and sticking together.
C) The solar nebula differentiated into metals inside of the frost line and ices beyond.
D) Large planetesimals captured atmospheres from the solar nebula.
E) Earth gained its oceans from icy planetesimal capture.
B) Particles grew by colliding and sticking together.
You might also like to view...
A brass bar (E 5 110 MPa) of length L 5 2.5 m has diameter d1 5 18 mm over one-half of its length and diameter d2 5 12 mm over the other half. Compare this nonprismatic bar to a prismatic bar of the same volume of material with constant diameter d and length L. The elon-gation of the prismatic bar under the same load P 5 25 kN is approxi-mately:
(A) 3 mm
(B) 4 mm
(C) 5 mm
(D) 6 mm
The two purposes of water in a reactor core are ______
a. neutron absorber and heat transfer liquid b. neutron moderator and heat transfer liquid c. neutron moderator and neutron absorber d. neutron absorber and lubricant e. neutron moderator and radiation shield
Riddler: So how long would it take to get to the closest star (after the Sun) if you could go only as fast as a passenger jet?
A: ~5 hours. B: ~5 months. C: ~5 years. D: ~500 years! E: ~5 million years!
The purpose of the Michelson-Morley experiment was to
A. detect possible motion of the sun relative to the ether. B. detect possible motion of the Earth relative to the ether. C. detect possible motion of the Earth relative to the sun. D. determine the velocity of light.