Neptune's moon Triton appears to have a nearly uncratered surface. Explain
What will be an ideal response?
There has been a large amount of surface activity that has obliterated the craters from much of Triton's surface. These are fissures, nitrogen geysers, and large frozen water ice lakes that are indicative of this activity. This probably is generated by the tidal stresses of its retrograde orbit close to Neptune.
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Do you think it is possible that a flare star could harbor an advanced civilization? Explain your reasoning
What will be an ideal response?
Extra mass dumped on a white dwarf creates a nova, but if dumped on a neutron star, it creates
A) a millisencond pulsar. B) an X-rays burster. C) a black hole. D) a gamma-ray burster. E) a pulsar.
A uniform solid sphere rolls without slipping along a horizontal surface. What fraction of its total kinetic energy is in the form of rotational kinetic energy about the CM?
What is the maximum radiation pressure exerted by sunlight in space (S = 1 350 W/m2) on a flat black surface?
a. 2.25 × 10^-5 Pa b. 0.06 Pa c. 7 × 10^-4 Pa d. 4.5 × 10^-6 Pa e. 9.0 × 10^-6 Pa