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What are celestial bodies?
Describe the formation of solar system.
Mention three main characteristics of a satellite.
Give a brief description on the phases of moon with the help of a diagram.
Write a short note on the other celestial bodies ( asteroid, meteroid and comets ) in the solar system.
Answers
Answer:
bro u mean which satellite-natural or man made
Explanation:
a celestial body is any natural body outside of the Earth's atmosphere. Easy examples are the Moon, Sun, and the other planets of our solar system. But those are very limited examples. The Kuiper belt contains many celestial bodies. Any asteroid in space is a celestial body.
Approximately 4.5 billion years ago, gravity pulled a cloud of dust and gas together to form our solar system. While scientists aren't certain of the exact nature of the process, observations of young stellar systems combined with computer simulations have allowed them to develop three models of what could have happened so many years ago.
Birth of the sun
A massive concentration of interstellar gas and dust created a molecular cloud that would form the sun's birthplace. Cold temperatures caused the gas to clump together, growing steadily denser. The densest parts of the cloud began to collapse under its own gravity, forming a wealth of young stellar objects known as protostars. Gravity continued to collapse the material onto the infant object, creating a star and a disk of material from which the planets would form. When fusion kicked in, the star began to blast a stellar wind that helped clear out the debris and stopped it from falling inward.
Although gas and dust shroud young stars in visible wavelengths, infrared telescopes have probed many of the Milky Way Galaxy's clouds to reveal the natal environment of other stars. Scientists have applied what they've seen in other systems to our own star.
After the sun formed, a massive disk of material surrounded it for around 100 million years. That may sound like more than enough time for the planets to form, but in astronomical terms, it's an eye blink. As the newborn sun heated the disk, gas evaporated quickly, giving the newborn planets and moons only a short amount of time to scoop it up.
●A celestial body is any natural body outside of the Earth's atmosphere.
●Easy examples are the Moon, Sun, and the other planets of our solar system.
●Approximately 4.6 billion years ago, the solar system was a cloud of dust and gas known as a solar nebula.
●Gravity collapsed the material in on itself as it began to spin, forming the sun in the center of the nebula.
