What is Astronomy?

Ans: "The branch of physics that studies celestial bodies and the universe as a whole."

      Some basic facts you should know

Questions :

Ques (1) How was the Universe created?
Ques (2) How was our solar system created?
Ques (3) How far have we reached in outer space?
Ques (4) What is the Theory of Relativity?
Ques (5) How safe is the earth?
Ques (6) Why is Pluto no longer considered as a planet?
Ques (7) Are we planning to build human settlements in outer space?
Ques (8) Did humans never land on the Moon surface?
Ques (9) What are the chances of us not being alone in the universe?
Ques (10) Time travel & Astronomy.

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Glossary of Basic Astronomy Terms

Annular eclipse - a type of solar eclipse in which a ring (annulus) of sunlight remains visible.
Asteroid - a "minor planet" ,a chunk of rock smaller than planet-size but larger than a meteoroid, in orbit around a star.
Asteroid belt - a region of the solar system, between the orbits of Mars and Jupiter, in which most of the asteroids orbit.
Astronomical Unit (A.U.) - The average distance from the Earth to the Sun.
Astrophysics - The science of applying the laws of physics to the universe.
Belts - Dark bands around certain planets, like Jupiter.
Black hole - A region of space that nothing, not even light, can escape from.
Coma - The region around the head of a comet.
Comet - A object orbiting the sun that when it gets close to the sun shows a coma and may show a tail.
Constellation - one of 88 areas that the sky has been divided into to make finding a star or other object easier.
Continental drift - The slow movement of the continents across the Earth�s surface.
Core - The center of a star or planet.
Double Star - A binary star; two or more stars orbiting each other.
Dust tail - the dust left behind a comet, reflecting sunlight.
Eclipse - When one "body" (like the moon) passes through the shadow of another.
Fireball - an very bright meteor.
Full moon - The phase of the moon when the side facing the earth is completely lit by sunlight.
Geology - the study of the Earth.
Giant planets - Jupiter, Saturn, Uranus, and Neptune.
Gibbous moon - the phases between half moon and full moon.
Great Red Spot - Thel large red storm going around like a tornado on Jupiter.
Highlands - Places on the moon that are above the level that may have been smoothed by flowing lava.
Light year - the distance that light travels in one year.
Lunar eclipse - When the moon passes into the earth�s shadow.
Meteor - A streak of light in the sky from rock or dust burning up as it falls through the earth�s atmosphere.
Meteorite - An chunk of rock from space after it hits a planet or moon, especially on the earth.
Meteoroid - An chunk of rock from space that is smaller than an asteroid.
New moon - The phase when the side of the moon facing the earth is the side that is not lit at all by sunlight.
One Year - the length of time the Earth takes to orbit the Sun.
Radio telescope - An antenna or set of antennas that is used to detect radio radiation from space.
Shooting stars - Meteors.
Showers - When many meteors enter our atmosphere at once, or almost at once.
Spring tides - The tides of the ocean are at their highest when the earth, moon, and sun are in a line.
Star - a ball of gas that makes its own light and heat because of nuclear reaction in its center.
Tail - Gas and dust left behind as a comet orbits close to the sun. The sunlight makes the tail bright.
Terrestrial Planets - Mercury, Venus, Earth and Mars.
Very Large Array (VLA) - The National Radio Astronomy Observatory�s set of radio telescopes in New Mexico.