Standing on Mars and looking at the Earth, what might the Earth look like?

Then the earth may turn into something like a crystal ball. It's all dark blue, or something gray. And you may feel as if the earth has become very small.

If you look at the Earth from Mars, the Earth is just a small bright spot. It takes a lot of detail to see it.

If humans were to stand on Mars and look at the Earth, the Earth would probably be a blue star, like many stars.

The reason why Mars will be close to Earth is because of the conjunctions of the planets.

Both Mars and Earth revolve around the Sun. Because Mars and Earth are at different distances from the Sun, their orbital periods are also different, resulting in Mars and Earth approaching each other once at a certain time, which is called the "planetary conjunction period".

The approximate formula for the conjunctional period s of the planetary motion is:

1. For intraterrestrial planets, 1 s=1 t 1 e(1)2, for extraterrestrial planets, 1 s=1 e 1 t(2)Note: The above two formulas ignore a fact. Namely:

The orbits of the planets are elliptical. However, since the orbits of the eight planets are all close to the circle, it can be approximated that the orbital speed of the planets is constant.

Because the planets revolve around the sun, and because the planets are at different distances from the sun, their orbital periods are also different, so any two planets will approach each other once at a certain caution, and this time is called the "planetary conjunction period".

Mars and Earth will also approach each other once in a while, and this time is called the conjunction cycle between Mars and Earth. When the orbit of Mars is located outside the auspicious source road of the earth's orbit and is closest to the earth, it is called "Mars opposition". This conjunction period can be calculated.

The calculation formula is: 1 s=1 e 1 t. where e is the earth's orbital period, and e = days.

t is the orbital period of the planet. s is the period of conjunction between the Earth and the planet.

The main reason is that the magnetic force of the Earth's core on Mars disappears, and the attraction of the Earth's core can ensure that the atmosphere on the surface of the sphere does not disappear, as long as the atmosphere does not disappear, it is equivalent to a protective cover on the surface of the sphere.

The reason why Mars has become what it is now is because of the immensity of the universe, which has experienced tens of millions of years of turmoil, coupled with the influence of an environmental factor of nature.

After many explorations, many countries have left their footprints on this Mars, and also left some pollutants.

The closest distance between Earth and Mars is about 55.7 million to 120 million kilometers, and the farthest is about 400 million kilometers. When the Earth is closer to Mars, we can see Mars with the naked eye on Earth.

Mars (Mars) is one of the eight planets in the solar system, the fourth planet in the solar system from the inside to the outside, and belongs to terrestrial planets, with a diameter of about 53% of the Earth and a mass of 11% of the Earth. The inclination angle of the axis of rotation and the rotation period are similar to those of the earth, and one revolution is about twice the time of the earth's revolution. The orange-red exterior is hematite (iron oxide) on the surface.

In ancient Chinese books, Mars is called Burning Remainder"Glowing Star", Western antiquity (ancient Rome) called"Mars, the god of war"。

Mars is basically a desert planet with sand dunes and gravel on the surface and no stable liquid water (NASA announced a small amount of water on Mars on September 28, 2015). The atmosphere, dominated by carbon dioxide, is thin and cold, with sand and dust suspended in it, and dust storms occur frequently every year. Mars has a polar crown of water ice and dry ice at both poles, which waxes and wanes with the seasons.