The irreplaceable moon

The Moon, also known as the Moon or Taiyin in ancient times, has coexisted with Earth for over 4 billion years and is the closest partner of Earth. The volume of the moon is 1/49 of that of the earth, its mass is 1/81 of that of the earth, and its equatorial surface acceleration is only 1/6 of that of the earth. Although much smaller than Earth, it can still have a huge impact on the planet. The distortion of the Earth's shape caused by tidal activity and lunar gravity has little impact on the land on Earth, but has a significant impact on the oceans. It causes the ocean currents on both sides of the Earth to surge, forming tides. According to computer simulations, if there were no moon, the tilt of the Earth's axis could have been significantly different from today, resulting in a completely different season for the Earth. This could have had a certain impact on the developing biosphere, even catastrophic. The moon helps stabilize the tilt of the Earth's axis of rotation, so that the Earth can have a stable year and four seasons. If there were no moon, the earth would be a different scene, and even.

The unit is designed for unsupervised public use: controls are recessed or shielded, moving parts are enclosed, and the interface is operable by a child of about six with no instruction. Where a screen is used, the language can be switched without changing the hardware, and the content can be replaced on site.

1. The influence of the moon on the earth's tidal activity: The moon has gravity, so we have tides on this planet. When the lunar Earth system was born, the Earth's rotation speed reached 6 hours per revolution. The tidal friction caused by seawater expansion slowed down the early spin speed of our planet. Planetary tilt: Without the gravitational pull of the moon, our planet's axis would undergo more drastic changes, leading to significant changes in the planet's poles and even the possibility of flipping the other side, which is the fate of Mars. Did the moon affect the origin of life? The movement of tides is important because it can keep the area moist and dry throughout the day. The gravitational pull of the moon indeed promotes the movement of life from the ocean to the land on Earth. 3. The influence of the sun on tidal phenomena: There is no fundamental difference between lunar tide and solar tide, and their principles are the same. However, in terms of magnitude, lunar tide is greater than solar tide. The magnitude of tidal force is determined by the mass and distance of tidal bodies, and tidal force.