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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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 ...
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2answers
190 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 ...
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10answers
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 ...
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1answer
124 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 ...
5
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4answers
142 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 ...
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1answer
83 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 ...
7
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1answer
334 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 ...
4
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5answers
237 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 ...
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2answers
256 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
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5answers
283 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 ...
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2answers
212 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
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2answers
214 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 ...
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2answers
415 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 ...
5
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5answers
346 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 ...
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2answers
296 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 ...
6
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1answer
318 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 ...
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5answers
258 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 ...
4
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2answers
284 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
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4answers
915 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, ...
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2answers
204 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 ...