Posts tagged earth
Someone made the Earth. They placed man on the surface and gave them plants, animals, the waters, and the mountains to make their life compete. The Earth exists within a spherical firmament upon ...
I was wondering about a setting where a moon orbiting a gas giant can sustain human life on its surface, i.e. with nearly identical conditions compared to Earth (e.g. size, gravity, mean temperatur...
From this chart it appears that the star types closest to our own are K-type (oranger, a little cooler, and less than half as bright) and F-type (bluer, a little warmer, and much brighter). If I w...
So I'm wondering if it would be possible for humans to live healthily on a largely Earth-like planet that was covered almost entirely in salt water. Landmasses would all be islands, with only a few...
I've created a small planet, about 90% the size of Earth, which orbits a pair of twin dwarf stars and is Earth-like in many respects. This planet's atmosphere is highly electrified, with lightning ...
I have scoured through the archives here and cant exactly find what I am looking for in terms of a specific setting I am trying to render in my novel. Let's say the world has built up so much smog...
First off, let's get definitions out of the way: A "race" here is defined as stable, heritable, phenotypic, clearly visual distinction between large demographic groups living in different geograph...
Would it be realistic for a (relatively) small island nation to have these features: A Forest A lake A snowy mountaintop A desert A bustling modern city How large would this island have to be i...
In what ways could an island be protected from tsunamis, given the following constraints?: It lies in the middle of the ocean, at least several hundred kilometers from the nearest continent. It d...
A fault that ruptures causing an earthquake can cause a chain reaction of dynamically triggered earthquakes in nearby faults, thus causing a much larger seismic event. What are some high unlikely b...
How would it be possible to have a planet with two defining surface features, ocean and mountains? Such a planet would have to be habitable for humans who arrive there, though it does not need to s...
Pretty self explanatory question...can the Cube Earth described at the link below support a spherical core and a magnetic field? How would a civilization that has been living on a "cube" Earth di...
The setting is present day Earth as we know it. No Magic, and no technologies which do not already exist. Let's say there is all-out nuclear war and much of the existing infrastructure is destroy...
If we were to pull the following races out of a D&D players handbook and remove them from the setting/history of Faerun and look at them from a biological/non-magic perspective (no other planes...
What would be the effects of an Earth-like planet with a longer year and longer lunar orbit? I have a planet with 432 days in a year and a lunar cycle of 36 days, with 12 months at 36 days each. Th...
In our world's 2016, the German town of Munich is part of the country of Germany. Now in an alternate Earth I would like Munich to be part of the Great French Empire (in the alternate year of 2016...
I'm coming up with a science fiction world for an assignment. Would it be possible for a planet like Earth to be eaten by a giant alien creature that moves through space at a relatively slow speed...
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 mo...
Is it possible for an earth analog planet* to have more than 3 convection cells per hemisphere? In our system we only have Jupiter and Saturn with 20 atmospheric bands, even Uranus and Neptune hav...
In a world I am building, the planet's days are longer than its years, with a single day taking 9 years. In all other ways, this planet is similar to Earth, but are there other differences I am mis...
Modern education teaches citizens that the point of an individual in society is to contribute labor. In a world with limited natural resources, we use this idea to measure an individual's worth in ...
I'm working on a sci-fi/fantasy story that involves a future earth that has become tidal locked with the sun. Part of the story has an advanced civilization that has built a ring (halo) that circle...
The idea is that a species very similar, but not related to humans have evolved on a different planet and are living in a medieval society. Humans from Earth must be able to live on this planet wit...
The setting is Earth with the ordinary moon moving as per usual, but this planet also has a moon with stronger tidal pull that moves in an elliptical orbit and comes to its closest point to Earth e...
It has become accepted knowledge that the planet Earth was birthed via a swirling cloud of dust and gravel clumping into larger and larger pieces of rock. It began 4.54 billion years ago, and 100 ...
On my fictional planet humanoid aliens have evolved on one continent, and have since spread around the entire planet, just like humans did on Earth. On Earth humans have since developed slightly di...
If the moon had life and it progressed at the same rate as life on earth, including key points of technological discovery. When would we, on earth, have first detected them? Technological discover...
Scenario: The Moon disappears slowly -- within 3 days. It is a result of natural causes and we don't have any control over this disaster. What will be the Major Effects On Earth and life on Earth?
This would only comprise death by natural causes, no accidents, suicides, homicides etc. As Wikipedia says: A death by natural causes is one that is primarily attributed to an illness or an ...
Is there any way to explain how did humans in my planet end up with extreme dimorphism without resorting to polygyny nor "magic"? I want men to be around 6ft (183cm) - 230 lb (105kg), while women ...
Is there a limit in physics/chemistry I need to change by inventing Unobtainium? Or is it just a matter of economy by making regular fuel much harder to extract, and chemical explosives much common...
Entropy in a casual definition is the tendency of things to progress from order to disorder. There are a variety of specific definitions in different arenas of thought. For example, heat will diffu...
Say, we had a teleport in all bigger cities (let's say circa more than 1 million) in the world (and some other "important" places, like military bases). What would be the impact of this? Would the...
When the earth is flung out of the solar system as per Josh Pirhi's question, not everyone embarks on a spaceship. Instead, as earth becomes a rogue planet, a group of survivors created a self sust...
To elaborate on the title, can alien plant life on an Earth-like planet look similar to ours, or would plants on an alien planet be radically different, unrecognizable, or incomparable to Earth pla...
Take the earth-moon system. Shift the moon's orbital plane about 90 degrees so that it is passes over both poles. What would the tides on this world look like? Sub-questions: What would the cy...
For story reasons, I'd like one planet habitable, plausible, but in some noticeable way older than Earth. Just not all planets are 4,5 bilion years. Tidally locked planet that orbit red dwarf, save...
"It will be difficult enough to avoid disaster in the next hundred years, let alone the next thousand or million." "Our only chance of long-term survival is not to remain inward-looking on p...
If the North and South Poles' ice melted instantly, what would be the effect on humans and other animals? Would the sea creatures thrive? Would a lot of land get covered by water?
Take the Earth-Moon system as we know it. Now, something causes a large rock to be lobbed in the direction of our moon. Exactly how that happens is deliberately left unspecified; it could be everyt...
The common evolutionary belief is that life originated in water, and that it developed to survive on land later on. Eventually, mammals evolved on land. Cetaceans, which include dolphins, whales, ...
Series Premise Made Short: For reasons that I'm not allowed to describe here (confidentiality), Earth's deciduous and tropical plant life largely dies off. A hardy and oxygen-hungry microbe infests...
In many countries, we number the years based off of proximity to an event in the Christian religion - we are over 2016 years past that date. However, in this scenario, religion has become less main...
I made a map of the tectonic plates for my planet and then assigned each of them a direction. So as the question title says, what geographic features occur at each type of plate boundary? Also to ...
I trying to describe colonization of an Earth Like planet orbiting a red dwarf in its habitable zone. It is NOT tidally locked with the star Similar to Earth though somewhat larger Magnetic field...
I want to have an Earth like planet, but with most of the continents having very little flatland. Thus continents would be covered mostly by hills and mountains. I want the rest of the planet to be...
I am considering whether a pre-Industrial civilisation could carry on for millennia on an Earth-like planet without entering the Industrial Age. Of course, regularly destroying everything with pla...
If I were to hide an artifact, where would could I hide it so that it is the hardest for a human to get there (or even be there). For example, hiding something inside a volcano sounds like a prett...
I am working on a project (The Longest Day), and I'm sure some people here have the necessary knowledge to give me some more usefull info. OK, here it is: Lets say that Earth's spinning speed dim...
The conclusion of my question Is it possible to have a planet unsuitable for agriculture? was that the most plausible reason for preventing agriculture from developing (beside nomadic herding) was ...
