Questions tagged [axial-tilt]

For questions asking specifically about the consequences of or nature of the axial tilt of celestial bodies.

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1answer
109 views

Biomes and landscaping this odd-shaped planet (part 2)

I'm still working on world map of this pear-shaped planet for my alien race, so I think land-to-water ratio would be something 40/60% or 30/70% (I don't know which one makes creatures much bigger), ...
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3answers
81 views

Would Such an Axial Tilt Exist on These Worlds? [closed]

In this scenario, there are two Earth-sized planets orbiting one same sun, but they are literally as different as day and night. Both have a 48-hour rotation, but: Planet A has a polar winter in ...
2
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1answer
93 views

Seasons & days with steep axial tilt?

Given tilt of about 90deg (like Uranus), with day & year like Venus (day longer than year), orbiting a purple (brown) dwarf (not tidal locked). I'm having trouble getting "seasons" & day ...
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5answers
115 views

How Can the Coastlines Look Similar In Spite of the Cooler Temperature

The established fact is that the shape of a planet's continental coastlines is determined by the planet's climate. Higher temperatures mean less ice, which ultimately means higher sea levels. (Case ...
5
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3answers
198 views

Reality check; minimal axial tilt = minimal seasons/mild weather right?

TLDR; what would weather be like with minimal axial tilt? Included is a picture of my climate map and several perspectives of a paper model I made of the planet. The ocean covers over half the planet,...
0
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1answer
86 views

If the earth suddenly had a new axis of rotation, would the tendency be for it’s new axis to align itself perpendicularly to its orbit over time? [closed]

If the earth suddenly had a new axis of rotation (due to catastrophic events - humor me), would the tendency be for it’s new axis to align itself perpendicularly to its orbital plane over time? For ...
4
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4answers
223 views

Changing Earth's axis suddenly or gradually?

First post, if it isn't completely obvious. I've discovered this site by trying to "google" that question. Here's what I'm investigating: Long ago, pre-deluvian civilizations built ancient megalithic ...
6
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1answer
90 views

Polar Day/Night

This is my first question so any feedback is appreciated! I basically have an Earth analog that has an axial tilt of approximately 12 degrees instead of Earth's 23, and I wanted to find out how I ...
3
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2answers
178 views

How can I explain the geography and climate of my planet?

I've recently decided to revive an old project of mine involving an alien planet. Unfortunately, however, I was not as good a worldbuilder then as I am now, and that's having some consequences. Back ...
6
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3answers
220 views

Can a planet have warm or temperate climates within its polar regions?

Note: an edit has been made to the main question at the bottom A couple of years ago, I had a worldbuilding project which I have recently revived. I was relatively new to worldbuilding back then, ...
2
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1answer
221 views

What would the seasons be on a planet with a 10 degree tilt?

What would the effects be on mountains, deserts, and grasslands? I know about the effects of a planet with no tilt, but I was curious about a 10 degree tilt. I am thinking the seasons would still be ...
12
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2answers
2k views

Can a planet's axial tilt naturally change a meaningful amount in only 100 years from its current cycle?

Could a planet's axial tilt change a meaningful amount (what is needed to make inhospitable biomes even more inhospitable: hotter dry hot desert, colder north) over an extremely short period (~100 ...
8
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5answers
378 views

Can a planet's axial tilt be changed by carefully planned and set high-energy explosions?

How powerful would a series of explosions have to be to significantly change a planet's axial tilt? In my universe they have highly energy efficient crystals, not only do they store energy but they ...
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1answer
6k views

How would a larger axial tilt affect the Earth's climate?

One of Milutin Milankovic's three big factors in his ice age theories was Earth's obliquity, or axial tilt. Earth's axial tilt varies between 22.1 and 24.5 degrees at an approximation of 41,000 years....