Mars is closest to Earth at 5

Mars is closest to the Earth in terms of its axis of rotation (the Earth's axis of rotation is 66 degrees 34 minutes, and the Martian axis of rotation is about 66 degrees) and the rotation period (the Earth's rotation period is 23 hours 56 minutes 4 seconds, and the Martian rotation period is 24 hours 37 minutes 22 seconds).

About 2 billion years later, when the Sun becomes a small red giant, the Earth is engulfed, and Mars is "Earth", which means that Mars is the early form of Earth.

All belong to terrestrial planets and both have metal cores.

two-stage characteristics, and the presence of an atmosphere.

Similarities:

1. Crustal composition.

Mars, like Earth, has a crust, a mantle, and a core. Iron and silicate are the same components of them. The surface crust is mainly composed of darker basalts.

But the Curiosity rover has found some less dense and lighter rocks under the deeper layers of Mars. The composition of these rocks is very similar to that of those found on Earth 2.5 billion years ago.

2. One day.

It takes about 24 hours and 37 minutes for Mars to make one revolution, so the time of a day on Mars is about the same as on Earth. On Mars, there are also days and nights, and you can see the sun rising in the east and setting in the west, but the sky on Mars is dark blue, and the sun is dazzling white.

3. The four seasons alternate.

Like Earth, Mars revolves around the Sun at an angle, so there are also alternating seasons on Mars. Since Mars orbits twice as slowly as Earth, a year on Mars is two years on Earth, and the intervals between the four seasons of spring, summer, autumn and winter are much more distinct than those on Earth.

4. "Five belts" division.

The earth is divided into five zones: tropical, southern temperate, northern temperate, southern and northern arctic zones. The "five zones" on Earth are divided by the sun's irradiation and temperature differences. There are also "five belts" on Mars, and the division is similar to the "five belts" on Earth.

It's just that because Mars is much smaller than Earth, the area of Mars's "five belts" is also much smaller than that of Earth.

5. Mars "three poles".

Like Earth, Mars has north and south poles, and they are covered by ice caps all year round. At the same time, Mount Olympus, the highest mountain in the solar system, is located on the Tarsis Plateau on Mars, which, like Earth's Mount Everest, is called the "third pole" of Mars.

6. Satellite "Moon".

Two moons of Mars were discovered by Hall at the Naval Observatory in 1877. Like the relationship between the Earth and the Moon, the moons of Mars also orbit Mars and depend on Mars for their lives.

Mars and Earth share many of the same characteristics. They all have satellites. There are moving sand dunes, sandstorms kicked up by strong winds, and white ice caps at the north and south poles.

Mars also has the four seasons of bright-rising and late-skinning, and can also clearly distinguish the "five zones" (tropical, north-south temperate, and north-south cold zone). Scientists have also found that Mars has an atmosphere with a white polar crown, and the size range varies significantly with the seasons. This is the main similarity between it and the Earth.

But other than that, Mars is very different from Earth. The surface of Mars is a desolate world with a very thin atmosphere, less than 1% of Earth's atmosphere, and it does not conserve heat. As a result, the surface temperature of Mars is extremely low, with temperatures as low as -100.

1. Similar day-night alternation and seasonal rotation.

Like Earth, Mars also has revolution and rotation. The Martian day is 24 hours and 37 minutes, which is almost the same as the day and night rotation time of the Earth, and the sun as seen on Mars also rises in the east and sets in the west. The orbital plane of Mars is inclined to the equatorial plane of Mars, which is very close to the angle of inclination of the Earth, which makes them have the same spring, summer, autumn and winter.

Rotation of the four seasons. 2. Similar geology and environment.

Like Earth, Mars is made of silicates.

The rock is composed of the main component of the locust beam, with a solid rock surface similar to the earth, which belongs to the "terrestrial planet" family, which is undoubtedly the most solid foundation of the human homeland.

The soil and rocks of Mars are rich in minerals and various chemical compounds, which are the basic building blocks of life. Mars also has north and south poles, and even the white ice caps at the two poles are similar to the white ice caps at the north and south poles of the Earth. There are also deserts and plains, mountains and canyons on Mars.

Even tornadoes. and sandstorms can run rampant on Mars, and much more so than on Earth.

3. Like Earth, Mars is surrounded by an atmosphere.

However, the main component of the Martian atmosphere is carbon dioxide.

Humans can extract oxygen from carbon dioxide by technological means, which can not only be used for human breathing, but also made into fuel.

The Mars Pathfinder and Sojourner rover once recorded a temperature of 21 beneath a thin layer of dust and gravel on the surface of Mars, which happens to be a comfortable temperature. While Mars can reach minus 100 at night and at the poles, Earth's land temperatures can reach minus 90.

4. The presence of water.

Mars has long been believed to have water, and even traces of liquid water seem to have been found on the surface of Mars, and there is evidence that a large amount of water ice exists in the polar ice caps, and various evidence speculates that life may have existed on Mars, and the current Mars may be the future of the Earth.

Mars and the earth have something in common, day and night alternate, the rotation of the four seasons is the same as the earth, Mars also has a revolution, Mars is two a day and the earth is like fourteen hours and thirty-seven minutes and the earth has a similar day and night, similar geological guess and environment, the Martian sun is also rising in the east and setting in the west, there are also north and south poles, there are mountains, rivers, deserts and the earth, there is also an atmosphere surrounded by the outside of Mars, and the same as the earth, there are also sandstorms, even more powerful than the earth's model sandstorms. According to the analysis, Mars may have had life in the past, and the current Mars is the future of the Earth.

Mars is most similar to the Earth in the rotation period of the small fiber group, which is only more than 30 minutes slower than the 24-hour rotation period of the Earth, so that Mars has a similar Earth-like day-night phenomenon, which provides convenience for future human immigration to Mars.

Mars and Earth are all on the side, and if there is a relationship, it is that they both revolve around the sun, and they are both moons of the sun.

They are all planets, together in space.

Mars is most similar to Earth in its hourly rotation period, which is only more than 30 minutes slower than Earth's 24-hour rotation period, giving Mars a Earth-like day-night cycle.

Its orange-red appearance is due to the fact that the surface of the earth is covered with hematite (iron oxide), Mars is about half the diameter of the Earth, and the inclination and rotation period of the axis of rotation are similar to those of the Earth, but the orbital period is twice that of the Earth. Mars is up to as bright as it is, but it is fainter than Jupiter most of the time.

Revolution. The average distance between Mars and the Sun is astronomical units), and the orbital period is 687 Earth days, Earth years (hereinafter referred to as years), or Martian days. The average Martian day is 24 hours, 39 minutes and seconds, or Earth days.

On Earth, Mars is visible to the naked eye and can be as bright as it gets, only fainter than Venus, the Moon and the Sun, but fainter than Jupiter most of the time.

Rotation. Mars has an axis of rotation tilt of degrees, which is similar to that of Earth, so it also has four seasons, but the seasons are about twice as long. Since the eccentricity of Mars orbit is about the same as that of Earth, the length of each season is inconsistent, and because the aphelion is close to the summer solstice in the Northern Hemisphere, the spring and summer in the Northern Hemisphere are about 40 days longer than the autumn and winter.

October 26, 2009 is the northern hemisphere equinox, and May 13, 2010 is the summer solstice.