Questions tagged [eclipse-non-earth-related]
The eclipse-non-earth-related tag has no usage guidance.
25
questions
3
votes
1
answer
534
views
Does any other solar system object experiences total solar eclipses?
Total solar eclipses are extremely rare. It's of great coincidence that we live in a period where the Moon is just the right distance (as with time it's receding away) to have the same apparent size ...
- 71
2
votes
0
answers
42
views
"First gamma-ray eclipses from ‘spider’ star systems" - but have other types of gamma-ray eclipses been observed?
The January 28, 2023 NASA News item NASA’s Fermi Detects First Gamma-Ray Eclipses From ‘Spider’ Star Systems begins:
Scientists have discovered the first gamma-ray eclipses from a special type of ...
- 30.7k
1
vote
1
answer
103
views
A night caused by an eclipse
Is there a term or a name for the darkness caused when a planet eclipses its moon?
For example; if people lived on Titan, a small portion of the near sides lunar day would be eclipsed or partially ...
- 21
7
votes
1
answer
1k
views
Why does Callisto only have eclipses every 3 years?
I don’t understand why Jupiter only eclipses Callisto in three year periods separated by three years. I get that the reason Callisto doesn’t always have eclipses is because of the combo of Jupiter’s ...
- 1,107
2
votes
1
answer
109
views
Can you distinguish a transit from an eclipse when observing Galilean moons?
If I look at Jupiter through a small telescope (or binoculars) while Io is overlapping Jupiter, is it possible for me to visually distinguish a transit from an occultation?
For example, maybe there's ...
- 225
1
vote
2
answers
158
views
What color does Titan turn in a lunar eclipse?
To my understanding, Earth’s Moon’s surface turns red in a lunar eclipse due to refraction of light through Earth’s atmosphere. When Saturn has a lunar eclipse with Titan (so Saturn rests between ...
- 113
12
votes
2
answers
2k
views
How do we know that objects that appear in duplicate or triplicate, etc. due to strong gravitational lensing aren't actually multiple objects?
If we are looking at faraway objects, there is no parallax view, correct?
So isn't there a chance that an object that appears multiple due to strong foreground gravitational lensing is actually ...
- 5,307
6
votes
2
answers
130
views
After only one eclipse of its X-ray bright primary, how can astronomers estimate the first extragalactic exoplanet's period to be about 70 years?
Phys.org's Astronomers may have discovered the first planet outside of our galaxy links to Di Stefano et al. 2021 A possible planet candidate in an external galaxy detected through X-ray transit (...
- 30.7k
2
votes
1
answer
96
views
How long does the "eclipse" last on a space station at the L1 point between a moon and a planet last when the moon blocks the sun in front?
The situation I am asking about is as depicted in the picture. Supposing I have a space station staying perpetually at the L1 point, the moon will completely block the space station from all sunlight ...
3
votes
2
answers
136
views
Do moons experience periods of no sunlight when orbiting "behind" their planet?
I'm writing a story that takes place on the Saturn moon Iapetusand I was thinking that especially since Iapetus only has an inclination of about 17 degrees from the ecliptic, wouldn't there be a point ...
- 133
3
votes
1
answer
183
views
Occultation of planets by other planets
Two Keplerian closed orbits always intersect:
Source: Astronomy SE answer by Flater
As seen from Earth, Venus appears larger than Mercury; this makes sense because Venus is both larger and closer ...
- 2,233
24
votes
2
answers
7k
views
Can a planet in our system eclipse the sun as seen from another one?
When the Sun, Earth and Moon get properly aligned, we get eclipses, where the Sun is partially or totally hidden by the Moon when seen from Earth.
Is it possible for one planet of the solar system to ...
- 465
5
votes
2
answers
230
views
How to calculate the frequency of a gas giant eclipsing the sun from a moon?
Say you have a moon around a gas giant which goes around a star. If the moon has an inclination of around 0° relative to the gas giant's orbit, the gas giant will eclipse the star every orbit of the ...
- 71
5
votes
1
answer
254
views
Eclipses on Mars
This amazing video shows an annular eclipse of the Sun by Phobos as seen from Curiousity. This one shows an eclipse by Deimos. My question is do these things ever both happen at once? Do you ever get ...
- 10.3k
5
votes
1
answer
195
views
Is it possible for a septuple eclipse to happen on Saturn considering there are 7 moons capable of eclipsing the Sun?
The reason quadruple eclipses can never happen on Jupiter is because of the 1:2:4 orbital resonance between Io, Europa, and Ganymede. As far as I know this isn't a problem for Saturn's moons.
From ...
- 2,699