The rotation period of Uranus was measured through:
A) observations of the motions of its satellites.
B) observations of the features on its cloud surface.
C) observations of radio signals associated with its magnetosphere.
D) observations of its motion around the Sun.
E) observations of Neptune's motion around the Sun.
Question 2
Which of these is NOT a consequence of dust in the interstellar medium?
A) reddening of stars' light that passes through the dust
B) blue reflection nebulae around the Pleiades
C) red light from the emission nebulae
D) the dark nebulae that block 90 of the Milky Way from us visually
E) terrestrial planets like our own
William Herschel, discoverer of Uranus
Uranus's southern hemisphere in approximate natural colour (left) and in shorter wavelengths (r
Cutaways of Uranus and Neptune
Observed Mother–Child Arguments at Five Time Points Over an Eight-Year Period
Sperry’s classic study of eye rotation and regeneration.
A schematic view of ribosome subunit rotational motions, based on crystal structures of ribosomes