How does the heat Jupiter radiates compare to the energy it receives from the Sun?
A) They are equal, as you would expect for a highly reflective planet.
B) Jupiter's dark belts absorb most of the solar radiation, so it is cooler in the infrared.
C) Jupiter radiates back into space about twice the energy it gets from the Sun.
D) Jupiter is a brown dwarf, about a hundred times less luminous than the Sun.
E) Jupiter is a red dwarf, about a tenth the Sun's luminosity.
C
You might also like to view...
While most neutron stars are also pulsars, an older "bare" neutron star was captured in rapid motion only 200 lightly years distant by:
A) Arecibo Radio Observatory. B) the Keck Telescopes used as an interferometer. C) the Chandra X-ray observatory. D) the Hubble Space Telescope. E) the Spitzer Infrared Space Telescope.
During the time that a planet is in its period of apparent retrograde motion, ________
A) the planet is getting closer to the Sun in its orbit B) the planet appears to rise in the west and set in the east, rather than the usual rising in the east and setting in the west C) over many days or weeks, the planet moves westward relative to the stars, rather than the usual eastward relative to the stars D) the planet moves backwards (clockwise as viewed from above Earth's north pole) in its orbit of the Sun
What is the relationship between wave frequency and period? What is the period, in seconds, that corresponds to each of the following frequencies: (a) 10 Hz, (b) 0.2 Hz, (c) 60 Hz?
What will be an ideal response?
If you quickly run away from the orchestra at a concert, the frequency of the sound you hear will be
A) decreased. B) increased. C) neither of these.