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In astronomy, a year is defined as the time it takes a planet to make one full orbit around the sun. It is equivalent to the orbital period of a planet, and is typically expressed in terms of Julian Year (which is equal to one Earth year).
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What year did Carl Sagan receive his PhD?
1972.(Astronomy, Cornell University, USA.)
The study of objects in space is called?
astonomy actually its astronomy...
What do kids learn in astronomy class?
Astronomy.
What is the difference between a day a month and a year in terms of astronomy?
a day is shorter than month and a year is longer than both day and month
What is the study of positions dimensions motion and evolution of celestial bodies?
astronomy, astrophysics
What defines one year on earth?
a year
What is the opposite of horizon?
In astronomy zenith (the point in the sky exactly above you) is the point most distant from the horizon. As a horizon defines how far down the sky you can look, zenith defines how high up you can look.
What year did astronomy week start?
1620
What year did the pre-historic astronomy began?
"Prehistoric" means "before written history", so if there was any astronomy at that time, we won't know the exact year.
What is year 2009 called?
2009 is the International Year of Astronomy, the International Year of Natural Fibres, and the International Year of Reconciliation.
In astronomy and distances of the universe how much is a ly?
A light year is the distance that light can travel in a year.
What year was the school of astronomy founded in Baghdad?
In the year AD 813 (also called the year 813 CE).
What Defines a Low Income Earner?
18,000-23,000 a year
The defines the administrations plans for the coming year?
federal budget
Why has UN general assembly declared the year 2009 as the international year of astronomy?
The aim of the Year is to stimulate worldwide interest, especially among young people, in astronomy and science under the central theme "The Universe, Yours to Discover". IYA2009 events and activities will promote a greater appreciation of the inspirational aspects of astronomy that embody an invaluable shared resource for all nations
Why is 2009 named the international year of astronomy?
kdshfisicvhvkjhzcvhkcxhgkvkchkhfdkghkjdfhjkbhzdkf WHO DID THAT !!!!!????? ARGHH Don't know
What are the Chaldeans main achievements?
They measured the length of the year which is now called astronomy.
