Suppose you see a photo showing Jupiter half in sunlight and half in shadow (that is, a first quarter Jupiter). This photo might have been taken by ________.
A) the Arecibo radio telescope in Puerto Rico
B) the Galileo spacecraft that orbited Jupiter in the 1990s
C) the Keck telescope on Mauna Kea, Hawaii
D) the Hubble Space Telescope (which orbits Earth)
Question 2
You measure the parallax angle for a star to be 0.5 arcseconds. The distance to this star is
A) 0.5 light-year.
B) 2 parsecs.
C) 5 light-years.
D) 0.5 parsec.
E) 5 parsecs.
Measles. A photograph of a child stricken with measles, showing the tell-tale sign of the skin rash.
Sunlight shining through clouds, giving rise to crepuscular rays.
A schematic showing some of the skeletal muscles of a Homo sapiens.
DNA binding faces of l Cro, cI repressor, and CRP, showing the helix–turn–helix motif
Figure of a Woman with a Drawing Showing Evidence of Original Painting and Outlining Design Scheme