Questions tagged [seasons]

Questions about periodic variations in weather patterns, often but not necessarily referring to patterns recurring approximately on the scale of a sidereal year. Compare [climate] and [weather].

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Earth Has Four Seasons Lasting Years. Is This Too Much?

In this alternate Earth, the axial tilt is still leaning to the extent of the temperate and polar zones having four seasons--spring, summer, autumn and winter. The one key difference is that each ...
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4answers
369 views

A fictional island on Earth with “longer” springs and autumns

I want to write a story on Earth as it is now, with the sole exception of one large island nation. I plan to introduce elements of mysticism into the story as well, but I would like to keep these ...
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1answer
112 views

Cold Weather Patterns

I’m working on a world with a mild but near constant winter. This weather pattern moves down the latitude and causes deep snows and some ice at worst in the mountains to heavy monsoons in tropic ...
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1answer
98 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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1answer
105 views

Climate and weather without obliquity and eccentricity?

Obliquity is the most important factor of seasons. Without axial tilt, eccentricity causes small temperature variations. What would climate and weather on Earth look like, if Earth doesn't have any ...
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3answers
207 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,...
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15answers
2k views

What natural phenomenon could lead to greatly varying season lengths? [duplicate]

I'm intrigued by the topos of varying season lengths brought to us in the Game of Thrones universe. I think it makes for a brilliant and versatile backdrop for the story, and it is something I'd like ...
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1answer
93 views

Seasonal pressure areas over continents located in both northern and southern hemispheres

On a real world Earth, the seasonal changes in temperature of continents create high-pressure areas during winter in that hemisphere, and low-pressure areas during summer in that hemisphere. Should ...
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10answers
281 views

Plausible reasons for multiple hot seasons in one solar year

Setup: A planet generally with an earthlike climate, although slightly wetter and warmer as a general rule, with a little more oxygen in the atmosphere, but habitable by unmodified humans. Still has ...
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6answers
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A Planet Where The Four Seasons Occur Multiple Times In One Year?

Earthlings, I live on a world where most places on my planet has four seasons, just like yours does. We also have one sun and one moon, presumably. It's been not even a year since I came of age (20), ...
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1answer
87 views

What sort of seasonal changes might exist that we don't see on earth?

NASA recently shared a photo that used a term "araneiform terrain" and said that the terrain formation was an effect of seasonal changes we don't see on earth. NASA publication How would I go about ...
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3answers
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Can a planet of heavy and regular rains or monsoons have little to no surface water?

There is a background planet in this story that is important due to character back story however we never visit it in this book. It is describe as a mostly jungle planet, with regular heavy rains or ...
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Planet wide seasons: Possible?

I was reading a World Anvil article which has a world that experiences world wide seasonal changes. Specifically quoting the article, During the month of Frimense, the Frostkin thrive, as the ...
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6answers
680 views

Seasons on Infinite Cylinder Planet

An infinitely long cylinder, made of planetary matter with an average radius roughly equivalent to the average distance Earth's equator has to its center, orbits around a parallel, infinitely long ...
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2answers
206 views

How would life on a planet without seasons evolve? [closed]

This also counts intelligent life as well, but I've been working on my universe more and have been considering planets without an axial tilt (thus not allowing seasons). What kind of plants and ...
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1answer
243 views

What rough climate and/or biome classifications would I assign to a planet with 31.1 degrees axial tilt?

First, specifying format in this question I will be giving temperature ranges that sometimes appear backwards. This is because I am listing average temperature ranges from southern to northern ...
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4answers
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Tree growth rings without seasons

Tree growth rings are created because the time of day with sunlight differs throughout the year. How would the inside of a tree look, if it were to grow up on a planet without seasons, where day and ...
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1answer
161 views

What would the temperature variation be on this planet? (High eccentricity & slow rotation)

I've been trying to figure out a model (or find a relevant paper) for calculating the approximate day/night and periapsis/apoapsis temperature variation for an earth-like planet that has a high ...
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4answers
357 views

Spotlight distribution in a hollow earth?

I've been toying with a concept for a hollow/inner Earth universe in which I would like to achieve an even distribution of light. The pickle is that the "sun" of this world operates like a beacon/...
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2answers
230 views

Winter Is Coming…To Earth [closed]

Imagine a world that looks suspiciously like Earth. Summer turns to autumn, autumn turns to winter, and winter turns to more winter. The winter endures for several years before summer finally comes ...
3
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1answer
219 views

Which impacts are to be expected, if an Earth-like planet orbits a Jupiter-like one?

In a fictional setting, an Earth-like planet is orbiting another, Jupiter-like planet. For explanation see my previous question Which astronomical or cosmological event would explain periodical low-...
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2answers
249 views

Antarctic Climate on Greenhouse Earth

Scenario: Say we have a massive release of greenhouse gases into Earth's atmosphere, however much for the ocean around Antarctica to get just warm enough for hurricanes to form during the summer (28.5 ...
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2answers
113 views

Seasonal Changes

I'm interested in developing a world that has somewhat extreme seasonal changes (hot, but liveable summers and cold, but livable winter) with a very cold non-habitable polar regions. Would axial tilt ...
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3answers
196 views

Eternal seasons bind to geographical areas

I created a world a few month ago for a role play game, Ryuutama. The game system is higly based on season and weather, but I'm not good in time gestion as GM. I so decided that regions will have ...
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6answers
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Is it possible to have a planet that has seasons and is also cold at the equator and hot both poles?

I am trying to create a planet for a fantasy role-playing game where the equator is an impassible region of ice. Ideally, I want to find a science-based solution to this and not have to resort to ...
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2answers
612 views

ELEVEN Inner Planets?! What Will the Ice Ages Be Like?

A Milankovitch cycle is defined in Universe Today as a cyclical movement related to the Earth’s orbit around the Sun. There are three elements to a Milankovitch cycle that affects the amount of ...
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3answers
473 views

e=0. What Does That Mean for the Seasons?

Currently, Earth's eccentricity (orbital shape) is 0.0167086. Zero is a perfect circle whereas One is parabolic escape orbit and any greater becomes a hyperbola. And in the theory of the ...
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5answers
410 views

If our moon had an atmosphere, could it have seasons?

Because our moon is tidally locked with Earth, then the same half always faces the Earth regardless of where the Moon is in its orbit. As such, would a tidally locked satellite such as our moon (...
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1answer
309 views

How could humans survive 9 month winters in the classical Roman era?

I have a world I am building that is similar to ours, and is set in the height of the Roman empire era. The main difference is that the winter is half the year and full rotation of seasons is 18 ...
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2answers
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8 seasons instead of 4, why?

My Kepler Bb world has in total 8 seasons. 4 of those are transition phases. Their year begins on the first day of spring and their months with 9 day weeks are 65 days long. But that is just in Kepler ...
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3answers
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Season cycle that would occur on a habitable planet that orbits two suns?

If there's a habitable planet that orbits two suns like the above orbital route, what would possibly occur on that planet? Would it have two yearly seasonal cycle (compare to earth)? Would it be ...
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2answers
3k views

What would a world with a 45 degree axial tilt look like

If an alternate Earth had an axial tilt of 45 degrees, what would the seasons look like? Being the most extreme tilt a planet can have before simply replacing North/South with East/West, obviously ...
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21answers
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Is it possible to have a habitable planet unsuitable for agriculture?

I want to have a planet similar to earth with 45% axial tilt when hunter gatherers have an advantage over agriculture. The only thing I could think of is far north(Siberia, Alaska) & Sahara desert,...
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2answers
433 views

The (Alternative) Reason for the Seasons, Part 2: Variable Star

Part 1 On Earth, we have seasons due to our planet's tilt. In my last question, I proposed an alternative world where the seasons were instead caused by an eccentric orbit. Now I'm going for ...
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1answer
573 views

The (Alternative) Reason for the Seasons: Highly Eccentric Orbit

On Earth, we experience seasons because of our planet's axial tilt. It is a common misconception that the seasons are instead caused by our planet's distance from the sun changing as it orbits. The ...
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2answers
490 views

Does a planet's axial tilt and seasonal progression affect a planetary-ring system, as seen from the planet surface?

Ok, so I have determined my world can keep it's planetary ring system. YAY! Now I just need to clarify once and for how it would look like from the planet surface. I think I have it worked out, but ...
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1answer
208 views

Getting Day-Night Cycle and Seasons for my Dyson Outies

Setting is described here: Handwavium-based-artifact by a Kardashev III+ civilization. We're talking about a 1-AU-radius world (except people live on the outer not inner side of the hollow sphere), ...
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4answers
304 views

Seasons in a Dyson sphere

In my fictitious universe, a god like entity ( which is an amalgam of all individuals , scientific understanding , capabilities , and tech of a type 3.5 civilization ) produces a sun with the same ...
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3answers
606 views

Would a planet with a 4 year solar orbit have differing seasons?

I'm writing a setting for some fantasy novels, and came up with an idea about weather and climate. The world I'm imagining has an elliptical orbit around a binary system, giving it basically 2 stars....
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1answer
290 views

Extremes in temperate climate

On Kepler Bb these are the average temperature and duration in region 1 which is a warm temperate zone(subtropical if you want to call it that): Winter: Temp: 35 degrees Fahrenheit (2° C) Duration: ...
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1answer
70 views

Temperature changes in a planet with much larger ice caps

I'm building an RPG world and the ice caps are rather large. How big of an effect would it have on the climate and seasons of said world? Would it be slightly colder or would it be similar to an ice ...
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1answer
616 views

Longer Summer Days, Longer Winter Nights in the Temperate Zone

Earth in this scenario still rotates once every 24 hours, and the temperate zone still has four seasons, each one lasting three months. But in this scenario, a temperate summer has the sun shining ...
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20answers
6k views

Is it physically possible for a planet to have seasons of different lengths?

Those of you who have read Game Of Thrones will know that in the GOT world seasons do not have a fixed duration, e.g., a winter might last three times longer than the previous one. I find most ...