New answers tagged comets
2
votes
What meteor shower's radiant appears furthest west after sunset, and why?
I took the Wikipedia List of Meteor Showers and plotted their Alt/Az coordinates as if viewed from Lat/Lon 0°,0° at Sunset. There are close enough contenders that the answer will likely change based ...
-5
votes
Do comets ever run out of water?
Yes. Its only logical, but the real corollary to this is the 'lie' that comets have precise orbital periods. They simply cannot because they lose mass over time. Haley was wrong.
7
votes
Is it true that “Shower meteors always come in spurts separated by spells of inactivity that can last up to a few minutes”
Meteorites are mostly expected to have random arrival times because it is unlikely that there is any "clumping mechanism" that can force them together in interplanetary space.
Analysis of ...
-2
votes
Do comets ever run out of water?
Sort of; once enough volatiles leave the surface, the leftover non volatile material acts as a barrier to prevent any further loss of volatiles, including water!
2
votes
Do comets ever run out of water?
As described in other answers, the answer is "Yes; they then become (like) asteroids". This answer describes asteroids that appear to have been comets in their former days.
Such ...
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comets × 224asteroids × 39
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orbit × 22
meteor-shower × 18
observational-astronomy × 17
meteor × 16
amateur-observing × 14
the-sun × 12
orbital-mechanics × 12
planet × 10
gravity × 10
impact × 9
jupiter × 8
oort-cloud × 8
earth × 7
astrophysics × 6
photography × 6
history × 6
halleys-comet × 6
water × 5
star × 4
supernova × 4
mars × 4
planetary-atmosphere × 4