1. Empire of the Sun
Total solar eclipse, corona (solar atmosphere), solar wind - aurora, solar wind is 0 - interstellar wind. The solar gravitational field is larger than the solar wind, and the place where the solar gravitational force is 0 is farther than the place where the solar wind is 0.
2. The beginning of chaos (formation of the solar system)
Sun formation (analogous to tornadoes, center-gravitational action absorbs gas to form the sun, edge-debris forms planets), Saturn-Saturn rings (3m thick, 100,000 km wide, billions of ice cubes) Ice cubes collide, exposing new ice The surface is reflective, Enceladus - a solid ice spring, and part of it falls on Enceladus to indicate reflection, and part of it is sprayed towards Saturn's E ring. The gravitational effect of Saturn's 60 satellites on Saturn's ring, and the orbital resonance forms ring gaps.
3. Blue Thin Lines (Planetary Atmospheres)
Planetary atmosphere, Mercury has no atmosphere, because the gravity is small, the temperature is high, and the atmosphere escapes; the meteorite passes through the atmosphere, friction decelerates, heats and burns, which has a protective effect on the planet. Mars shows that there is a meteorite, which means that there was an atmosphere; Weather phenomena, Jupiter's atmosphere is thousands of kilometers, lightning is extremely bright, and Neptune's customs are huge and fast at thousands of kilometers per hour; Titan is the only satellite in the solar system that has discovered an atmosphere. Liquid, the liquid is methane.
4. Between life and death (volcanic activity on planets)
Mars, small in size, fast in heat transfer, and the volcanic eruption is farther away, forming Mount Olympus, the largest volcano in the temple with a height of 25km, but Mars soon ran out of ammunition and food and became a cold and quiet planet; High can melt lead, and the volcanic activity is violent. It is known as the volcanic capital of the solar system. Volcanic eruptions release carbon dioxide, but there is no rain wash, carbon dioxide concentration is increasing, and the greenhouse effect also heats Mars; Jupiter's moon Io is rare There are many lava seas on the moon, reaching a width of 180km. It is known as the seventh wonder of the solar system. Because of its small size and thin atmosphere, the lava eruption can reach 500km. The heat comes from the gravitational stretching and extrusion of the parent planet Jupiter and the outer satellites.
5. Alien life
Life exists on harsh seabeds and salt flats. Earth's methane is mainly produced by living things, while Mars exists methane and changes with the seasons, so it is speculated that there is life on Mars. By measuring the magnetic field of Europa, it is speculated that there is an ocean 100km below the surface of Europa; there is life in the ice, and most of the surface of Europa is covered by ice, so it is speculated that there may be life on Europa. By analogy, the earth is not the only planet with life. There may also be non-terrestrial life in the universe, waiting for us to explore.
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