Questions tagged [enceladus]
Questions about the sixth largest moon of Saturn.
8
questions
2
votes
2
answers
74
views
Could Enceladus be too salty to support life?
The process of osmosis makes it possible for water to be sucked through a semi-permeable membrane in order to balance the concentrations of two solutions. Thus, a sufficiently salty ocean might drain ...
5
votes
1
answer
423
views
Do Enceladus' geysers fall back to its surface or do they achieve escape velocity?
Enceladus, a moon of Saturn, has a very low surface gravity at 0.114 m/s² or 0.012 g. It has a subsurface ocean of liquid water and is ejecting plumes of it. Does the ejected water eventually fall/...
2
votes
1
answer
103
views
Light levels on other celestial bodies
What I'm trying to achieve
For a series of realistic renders I am currently working on I am trying to calculate the light level on different celestial bodies, in terms of the luminous flux (in lumens)...
2
votes
1
answer
496
views
Why the Circumstellar Habitable Zone is defined as it is, if life could be possible outside of it?
According to Circumstellar habitable zone
In astronomy and astrobiology, the circumstellar habitable zone (CHZ), or simply the habitable zone, is the range of orbits around a star within which a ...
10
votes
1
answer
802
views
Why is Enceladus the only geologically active moon among its neighbours?
My understanding of why Enceladus is geologically active is that tidal forces from Saturn and - to a lesser extent - from the nearby larger moon Dione provide heat to the moon's interior, just like ...
1
vote
0
answers
115
views
Plumes vs Geyser [duplicate]
I've read, that on Enceladus scientists observed plumes containing water vapor. Can I use plumes and geysers interchangeable? if not, What's the difference between Plumes and Geysers?
thanks!
11
votes
1
answer
2k
views
Why is Enceladus's albedo greater than 1?
Enceladus, one of Saturn's moons, has a geometric albedo of 1.38 and a bond albedo of 0.81. How can the geometric albedo of Enceladus be greater than one? What are the similarities or differences ...
4
votes
2
answers
424
views
Enceladus; why use the words "geysers", "jets", and "plumes" interchangeably?
Background, Europa:
In an earlier question How can “Geysers” on Europa reach heights of 100km? I brought up the use of the word "geyser" in association with the reported confirming observations of ...