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During the planning stages for the Pioneer 11 mission, when relatively little was known about Saturn's rings, it was proposed to have the spacecraft fly through the Cassini division. Why would this have been a bad idea?
Subject:
Astronomy
Topic:
General Astronomy
Posting ID:
32118
OTA ID:
103000
Thermonuclear Fusion on the Sun
If thermonuclear fusion in the Sun were suddenly to stop, what would eventually happen to the overall radius of the Sun? Justify your answer using the ideas of hydrostatic euqillibrium and thermal equillibrium.
Subject:
Astronomy
Topic:
General Astronomy
Posting ID:
34428
OTA ID:
103846
at what will the crab nebula cross the celestial median on March 12 and 13 2005. The right ascension is 05 31 30 and declination is 21 59 00.
Subject:
Astronomy
Topic:
General Astronomy
Posting ID:
35614
OTA ID:
101397
time an object crosses the meridrian
at what time will Galaxy -Cygnus A cross the celestial meridian (along north-south) direction on March 12 and 13 2005.
Subject:
Astronomy
Topic:
General Astronomy
Posting ID:
35616
OTA ID:
101397
description of planet retrograde motion
How can planet retrograde motion be explained by the Earth-center hypothesis and by the Sun-center hypothesis
Subject:
Astronomy
Topic:
General Astronomy
Posting ID:
36677
OTA ID:
101397
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