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space,celestial objects and the origin of the universe

QuestionAnswer
what is astronomy The Science that deals with the universe beyond the Earth’s atmosphere ( the study of space)
what are celestial bodies Naturally made objects outside the Earth’s atmosphere
what are some celestial bodies Planets Stars Moons Comets Asteroids
what is a star is a celestial body that generates its own light and heat and consists of a mass of gas held together by its own gravity
what are stars that do not generate their own heat and light called neutron stars
what is a planet celestial body that is in orbit around a star.
what must a planet do to be a planet Be in orbit around a star Has enough mass to form an almost round shape due to its own gravity Have “cleared region” around its orbit of other celestial objects
what is a moon a celestial body that orbits a planet (a body that orbits a larger body)
what is an asteroid a small rocky celestial body that orbits the sun
where do most asteroids lie Most lie between Jupiter and Mars
does an asteroid have a spherical shape no
how big is an asteroids diameter few kilometres to a few hundred kilometres
what are asteroids also known as minor planets
where are most of the asteroids in our solar system Most of the asteroids in our solar system are clustered between Mars and Jupiter
what is the name of the region in which the most asteroids in our solar system are found his region is known as the asteroid belt
what is a comet a dusty snowball (made of ice and dust) which orbits the sun
is a comets orbit a circular path no
what is the region where billions of comets are found Billions of comets are found at the edge of the solar system in a region known as the Kuiper belt
what happens when a comets orbit around the sun gets disturbed When this happens they begin to move toward the sun The sun melts some of the ice and a tail of gas, ice and dust form as a result The sun reflects off the tail when we see a comet
what is a solar system A solar system a group of planets, asteroids, comets and other celestial bodies that are in orbit around a star
is our solar system the only solar system no
WHAT IS THE SIZE OF THE SOLAR SYSTEM LIMITED BY? The distance that the gravity of the star has to attract other celestial bodies
what percentage of the solar systems mass does the sun contain 99.9%
The eight planets (in order of distance from the Sun Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune
Created by: JMahango
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