Questions tagged [cassini]

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19
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3answers
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Help understanding this unsettling image of Titan, Epimetheus, and Saturn's rings?

The NY Times article Saturn’s Rings Are Sculpted by a Crew of Mini-Moons is really interesting and links to the recent paywalled paper in Science Close Cassini flybys of Saturn’s ring moons Pan, ...
8
votes
1answer
211 views

Exactly what in Saturn has been located to within 4 km precision?

Saturn has been located with fantastic precision thanks to Cassini and VLBI. The location of the 120,000 km diameter giant planet (when defining the 1 bar pressure level as its surface) is known to ...
4
votes
1answer
82 views

Refraction by Saturn's atmosphere - how dense is it here?

This tweet from CassiniSaturn shows an image of Saturn's rings being optically distorted by the dense atmosphere. It is explained more fully on this page and is available here. The refraction is ...
2
votes
1answer
82 views

What does “Active Weather Patterns” mean?

I just read that Cassini discovered titan had "active Weather patterns". What does that mean?
2
votes
1answer
56 views

How can we map masses orbiting the outer Solar System by determining the orbits of planets and smaller objects?

Neptune was discovered 170 years ago with the help of observations of Uranus' orbit. A great demonstration of the scientific principle for its time. Recently, Earth and cis-Lunar based radio ...
2
votes
1answer
103 views

How old are Janus and Epimetheus?

How old are Janus and Epimetheus, and are they believed to have formed out of a collision? (I think would explain their shared orbit). Not the age of their elements, which should be similar to the ...