Questions tagged [eclipses]

This tag should be used when asking questions about solar or lunar eclipses in our world or in a fictional world.

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19
votes
4answers
1k views

Earth-like Moon around the Gas Giant. Eclipse length?

Worldbuilder in dire need! I'm trying to figure out the eclipse length of a habitable Earth-like moon that is rotating around a gas giant. The story that I work on is centered on the Earth-like moon, ...
13
votes
11answers
2k views

Make solar eclipses exceedingly rare, but still have new moons

Given a system similar to the Earth/Moon/Sun system, how would one go about making solar eclipses rarer than they are here on earth, but keep new moons similar to how they currently are (or at least ...
10
votes
2answers
249 views

How long would this eclipse last?

For a moon orbiting a gas giant which is in turn orbiting a star, I want to know how long the eclipse would last for an observer standing on the moon when the planet passes between the moon and the ...
10
votes
5answers
286 views

Effects of regular prolonged eclipses on environment

What would be the effect on climate on an Earth-like moon of a gas giant, which experienced regular ("monthly") total solar eclipses (by its gas giant parent) lasting approx. 40 hours. I'm trying to ...
8
votes
2answers
234 views

How can I lengthen a total solar eclipse on an earth-like planet?

I was lucky enough to witness the total solar eclipse crossing the US this past August, but while it was impressive, it was also fairly short - lasting just under two minutes at my location. I'd like ...
7
votes
7answers
300 views

Always night in one hemisphere. Is it viable?

I am building a world where one side of the planet has normal progression of day and night whereas in the other hemisphere it is always night. At first I had no idea how this could be possible in the ...
7
votes
2answers
236 views

What would the Total Eclipse look like on a planet with rings?

The recent total eclipse, got me thinking about how it would look in my world. I have a earth-sized planet with a ring system, a couple of small moons and 1 or 2 bigger moons. How would a planetary ...
7
votes
1answer
395 views

A self-eclipsing orbital ring

A common, matter-efficient science-fiction habitat is a hollow cylinder or ring in space that is spun to simulate the pull of gravity on its interior surface. These habitats have been imagined as ...
6
votes
1answer
102 views

What would the effects be on a planet whose moon orbits at a speed just faster than a geosynchronous orbit, so there are more months than days?

Would anyone be able to check some math/ let me know if I'm thinking of this the correct way? I had an idea of the moon appearing basically stationary in the sky, but in fact it orbits just faster ...
6
votes
1answer
369 views

Please help me calculate acceptable planet sizes & eclipse shadows cast by my binary planet system

I've been reading here for a little while, but this is my first question. I am trying to come up with either a concrete set of numbers for a single answer for a binary planet system, or a simple ...
5
votes
4answers
145 views

Small eclipse on earth

Could one make a smaller eclipse kept stationary on the surface of the earth in order that one may be able to see the stars 24/7 from one site? How could this be achieved? Geostationary satellite ...
5
votes
5answers
377 views

How could the government trick the entire world into thinking there will be an eclipse when there isn't?

In my story, the government is looking to get as many individuals as possible outside. Is there a way to convince the population that there will be an eclipse or some other astronomical event without ...
5
votes
2answers
792 views

Could 2 eclipses be visible simultaneously in the same area?

I just got to see a solar eclipse today, not total but 86% eclipsed. And hopefully I will see a total solar eclipse in Toledo, OH in 7 years. But this eclipse inspired me to ask this question. I ...
4
votes
5answers
254 views

How would I make a moon appear black in a night sky that has a nebula visible in it?

So, I'm developing a world for my fantasy setting, but I thought it'd be neat if this particular world had a nebula visible in its night sky. (So, it might not be a nebula like the kind we have in ...
4
votes
2answers
313 views

What would make an earth-like planet have a solar eclipse everyday?

What would make an earth-like planet have an eclipse every day? does it need additional moons and what would happen if it had those? A Total Solar eclipse across most of the planet's surface
4
votes
1answer
76 views

How would eclipses change (both solar and lunar) if the moon was half the distance from the Earth?

I'm working on building a fantasy world where the moon is in a lower orbit. I've already worked out the effect on tides; 4x stronger high tides slightly further apart, increased coastal erosion, more ...
3
votes
2answers
43 views

Frequent Solar Eclipse Cycle and Its Effects [closed]

I’m trying to imagine a sci-fi/fantasy world in which a solar eclipse occurs roughly once every 3 or 4 days. The exact frequency can be arbitrary and varied, but it does need to occur often. I would ...
2
votes
5answers
291 views

What would happen to Earth if it were eclipsed for nearly 10 days?

What would be the major changes that could happen if Earth experienced a solar eclipse caused by a fictional planet for a minimum of 10 days? Mainly what would happen to the oceans and flora in such ...
2
votes
3answers
98 views

Properties of a mysterious celestial body that creates a permanent eclipse on earth

Sometime in the near future, a strange heavenly body appears in the skies of Earth. Unbeknownst to everyone, it's actually the egg of a horrific, unimaginable cosmic entity, traveling through space ...
2
votes
2answers
275 views

How long does it take for an eclipse to cause the ocean surface to freeze?

I am working with a story. I wish to make my story somewhat logical by adding some science and thereby not making it to appear fantasy. This story is on a fictional planet far away from Earth. Let's ...
2
votes
2answers
374 views

How long is a solar-solar eclipse in a Binary Star System?

Preamble: I have read this thread on single gravity well binary system eclipses. And this one on binary system views. And this one on a gas giant's moon's solar eclipse. And (now) this one on seasons ...
1
vote
4answers
79 views

World with frequent lunar eclipses?

I am working on a world where an event, like a celebration, occurs during every lunar eclipse. I would like to have lunar eclipses occurring more frequently--maybe even once a month--in order for ...
1
vote
1answer
96 views

Living on a moon with an atmosphere, how would the planet interact with the sun in the sky?

I am curious that if there were a gas giant sitting close to a red dwarf with an Earth-like satellite orbiting it: How could we determine the way the planet appears in the sky and the way it ...
1
vote
1answer
155 views

Longest possible eclipse in double star system

I have a planetary system that consists of two close stars: A Sun-like star - small but bright A much larger, but much darker star (about 5-10 times larger) A habitable planet orbiting both of the ...
0
votes
1answer
102 views

Temperature on a bulls-eye planet planet orbiting a red dwarf star [closed]

I recently attended a talk on current research into exoplanets and it got me thinking. I want to create a setting on a tidally locked eyeball planet for a futuristic sci-fi story. What I want to ...
-1
votes
1answer
92 views

How would the Weather be on a Double Planet System?

context is always important to give a good answer to such a question. So here is some data and Renders from the System. It consists of the two Planets Hela and Vesna. Hela has a Radius of 5636.492km ...
-2
votes
1answer
177 views

Is it possible to calculate how long a moon takes to orbit a gas giant?

if it takes the moon 6 months to pass through the gas giants shadow? Assume it is distant enough to not be tidally locked. The gas giant is 112.5 AU from the star. The star is 55 solar masses. It ...
-3
votes
2answers
221 views

Volcanic winter related to moons?

My Kepler Bb planet has 4 moons and is habitable. So that is good. But all 4 of these moons are major moons which while indeed possible, could be a problem. You see, these moons are in resonance so ...