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Harvard woman astronomer ________ discovered the period-luminosity relation.
Mars appears red due to ________ on its surface.
If two observatories on opposite sides of the Earth were to measure the position of a
star to calculate its parallax, then the diameter of the Earth would be the ________.
How far above and below the celestial equator can the Sun move?
While the mantles of Jupiter and Saturn are made of liquid metallic hydrogen, the
mantles of Uranus and Neptune are chiefly ________.
How can close analysis of the spectra of quasars let us map the whole universe?
Contrast the differential rotations of the four jovian planets. Explain.
During a period of high solar activity, most sunspots lie near the Sun's ________.
Discuss the seasons of Uranus.
What are the minimum and maximum values for declination in the sky for both north
and south?
Cultural evolution has primarily taken place over the last ________ years.
How did the Miller-Urey experiment attempt to recreate early conditions on Earth?
The ________ focus reflector needs only a single optical surface to form images.
If there had never been any galactic collisions, all galaxies today would probably be
________.
What did Galileo discover when looking at the Sun with his telescope, and how did this
support Copernicus?
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