The best alien world to settle in the solar system

Introduction: Kepler 1625b is nearly 4000 light years away from the earth. Hubble Space Telescope will further observe it to determine whether it has satellites. In gaseous planets, life can hardly form. Of the planets discovered by Kepler telescope, 30 can hold liquid water. This also explains that there can be no oceans under the shells of Enceladus and Europa.

The only thing that is certain is that they are much colder than the earth.

Humans have spent a lot of time and resources looking for a second earth somewhere in the galaxy. So far, the harvest is good. * * * 5 1 potential exoplanet suitable for human habitation has been discovered.

However, anyone who thinks that this will be the first alien home for human beings to settle down is wrong. After all, we have our own unique forest. There are seven other planets, five dwarf planets and dozens of satellites orbiting these celestial bodies in the solar system.

Most of these places are completely unsuitable for living-they are gaseous, consumed by extremely cold or extremely hot and toxic atmosphere or completely lacking a gas, or become unstable for various reasons. However, quite a few celestial bodies in this system actually have many components that humans may need, which makes it possible for this species to create an alien home. Here are some of the most promising habitable planets in the solar system.

Move to Mars?

launch

Advantages: Mars is objectively the best choice for us to establish a long-term extraterrestrial residence. It has one-third of the gravity of the earth (better than most other places), and it only takes five to six months to go to Mars under the existing technology, and Mars has a large amount of ice reserves that can be converted into liquid water. It is not difficult to put solar panels on the surface of Mars as energy. Elon Musk has a slightly crazy idea, which is to use the atmospheric methane on Mars to produce fuel.

Disadvantages: This red planet is not as bad as other places, but objectively speaking, it is still a cold, dry and dead wilderness. This is nothing for some specific creatures, but human beings still need to establish a pressurized environment that can control the temperature in a suitable range, and a life support system that can transport food, water and oxygen as needed. Another problem is that without the protection of a thick atmosphere and a strong magnetic field, Mars will be exposed to high-intensity ultraviolet and solar radiation. If attacked by a solar storm, it will destroy almost all the important electronic equipment on the ground and in orbit.

The moon of the earth

moon

Advantages: We have landed on the moon. We know how to get there, and it only takes three days. If we have faster propulsion technology, the time may be shorter. Although people's expectations of the moon are much smaller (compared with Mars or near-earth asteroids, the resources available to the moon are definitely much less), its proximity makes it very easy to become a resource-rich immigrant land and deal with major emergencies. In addition, because there is no atmosphere, it is much easier for any spacecraft to land and leave the moon, and it consumes less energy.

Disadvantages: As the saying goes, there is not so much to do on the moon. The whole moon lacks many precious resources and is quite barren. In essence, there is a lot of space to build infrastructure, which helps to increase travel to other places. Low gravity (one sixth of the earth's) means that the prospect of keeping humans on the moon for more than a few weeks seems unrealistic.

Europa

Advantages: This satellite of Jupiter may be the best choice for building permanent residence in the whole Jupiter system. Europa's surface is full of ice. Although cold, it is strong enough to build buildings, habitats and complex structures. It looks relatively flat, but it still retains signs of activity, because the underground ocean is hidden under the ice. Although this ocean is dotted with geysers, it may have elements of the evolution of alien life.

Disadvantages: If the gravity of the moon is a problem, so is Europa. Its gravity is only 13% of the gravity of the earth, which will undoubtedly bring many physiological problems related to microgravity to anyone who is forced to live there for more than a few months. Jupiter's magnetosphere has also caused chaos, bringing strong radiation to Europa. Low gravity makes it difficult for Europa to maintain an atmosphere that can cultivate a warmer surface climate.

Titan

Advantages: Saturn's sixth largest satellite is essentially an alternative version of Europa in many ways. It is a cold planet with another underground ocean-if humans can find a way to resist the cold, they may build some strong houses on the surface. There are also some geysers pointing to internal activities deep underground, which may help promote the evolution of life.

Disadvantages: Titan has the same shortcomings as Europa, and it is more serious than it. This planet is much colder (the temperature drops to MINUS 330 degrees Fahrenheit) and much smaller (one sixteenth of gravity! ) and farther away from the earth. For Titan, research is more meaningful than life, but future technology may make it easier for us to emigrate.

Ceres highlighted the "Occupier Crater" in color.

ceres

Advantages: Most importantly, Ceres is located in the asteroid belt-the rock flow around the sun between Mars and Jupiter. That's a very good location, very close to Mars. If humans have set up an outpost on Mars, we can launch there. Flying from Mars to Ceres is very easy. In addition, Ceres is full of hidden ice banks-which makes small dwarf planets an excellent candidate for asteroid miners.

Disadvantages: Similar to previous planets, the problem of low gravity exists, and it is only 3% of the earth's gravity. Three percent! Anything built on the ground needs to be deeply anchored-even so, it is not entirely clear whether these structures can be fixed on the ground. There are signs that there is something similar to water vapor on Ceres, but Ceres is probably too small to keep anything that makes the dwarf planet warm and fuzzy.

Titan

Advantages: Titan is the only natural satellite in the solar system with dense atmosphere and cloud cover. This protective layer must be sealed, but it does provide considerable pressure and help stabilize the climate on the surface. So as long as we have oxygen masks, we can walk around without pressure suits. Titan's gravity is actually comparable to that of the moon, so if we want to immigrate there, we just need to apply the experience of the latter to the former. With a fairly flat surface, it is not difficult to establish a settlement.

Disadvantages: Titan is far from the comfort zone. The weather there is very cold, and the average temperature is only MINUS 330 degrees Fahrenheit. At the same time, we should always be ready for liquid methane rain.

reference data

1. Wikipedia

2. Astronomical terminology

Vincent

By Neil v Patel

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