Page 40 - Fizzy Science Corner

MARS

276.What is the most distant object in the sky that the human eye can see without optical instruments?
THE ANDROMEDA GALAXYASTR-93; Multiple Choice: Data from Voyager II indicate that previous
estimates of Triton's size were in error. It is now known that Neptune's largest moon is
HALF THE SIZE OF MERCURY
277.In 1995, the Galileo spacecraft is scheduled to go into orbit about which planet?
JUPITER
278.On a clear, dark, moonless night, approximately how many stars can be seen with the naked eye?
3,000
279.Name the planet that has the greatest number of known moons:
SATURN
280.State the common name given to the group of stars also known as Crux Australis.
SOUTHERN CROSS
281.The solitary moon of Pluto is named after the boatman of Greek mythology who ferries the dead
across the River Styx. Its name is
CHARON
282.Which civilization developed and implemented the first solar calendar?
EGYPTIAN
283. What is the HOTTEST region of the sun?
THE CORONA
284.The same side of the moon always faces the Earth because:
TIDAL FORCES KEEP THE MOON'S ROTATION AND ORBITING MOTION IN SYNCH
WITH EACH OTHER.
285.The resolving power of a telescope depends on the:
DIAMETER OF THE OBJECTIVE
286.The determination of stellar parallax is important because it allows the determination of:
DISTANCE
287.What one property besides the temperature does the luminosity of a star depend upon?
THE STAR'S AREA OR DIAMETER
288.The Giotto spacecraft set a new record last July for the closest visit yet to:
THE CORE OF A COMET
289.During 1990 and 1991 the Magellan orbiter mapped the surface of Venus. What technique did it use?
RADAR