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There is a solar eclipse of some kind every new moon.

Kepler relied heavily on the telescopic observations of Galileo in developing his laws of planetary motion.

Long-period comets are believed to originally come from:

The Sun’s blackbody curve peaks in the __________ portion of the spectrum.

All Jovian planets have rings around their equators and at least eight moons.

The common element discovered in the Sun’s spectrum before it was found here is __________ .

Stars that appear blue or white in color are __________ than our yellow Sun.

Kepler found the orbits of planets are circles, not ellipses.

A planet (or comet) will speed up as it recedes away from the Sun.

Changing the electric field will affect the magnetic field of a body.