Question

Answer the following questions in detail.
Sun is the natural source of all energy. Comment.
What constitute the solar system?
How are meteors different from meteorites?
Write about the new rules for the classification of celestial bodies drawn up by the IAU​

Answer 1

Explanation:

1. yes Sun is the natural source of all energy .Sun is the ultimate source of energy because: (i) Sun's energy powers the flow of wind and water cycle on earth's surface. (ii) Photosynthesis is the process by which plants prepare their food. This process use Sun as their source of energy
2. Our solar system consists of our star, the Sun, and everything bound to it by gravity — the planets Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune, dwarf planets such as Pluto, dozens of moons and millions of asteroids, comets and meteoroids.
3. Like meteorites, meteors are objects that enter Earth's atmosphere from space. But meteors—which are typically pieces of comet dust no larger than a grain of rice—burn up before reaching the ground. ... The term “meteorite” refers only to those bodies that survive the trip through the atmosphere and reach Earth's surface.
4. The IAU members gathered at the 2006 General Assembly agreed that a “planet” is defined as a celestial body that (a) is in orbit around the Sun, (b) has sufficient mass for its self-gravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium (nearly round) shape, and (c) has cleared the

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