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The autumnal equinox.

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Q: What is the first day of autumm called in astronomy?
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Planets are studied in the scientific discipline called?

Astronomy


What is the origin of astronomy?

Since human beings first looked into the skies, during the daytime and particularly at night, there has been astronomy. Many major figures from ancient times through to the present day have made contributions to astronomy.


What is the amount of time that objects take to rotate once called?

Assuming that this is a question about Astronomy, the answer would be "day" or, more exactly, "sidereal day".


The Amount of time that an object takes to rotate ONCE is called its What?

Assuming that this is a question about astronomy, the answer would be "day" or, more exactly, "sidereal day".


What is the amount of time that an object takes to rotate once called?

Assuming that this is a question about Astronomy, the answer would be "day" or, more exactly, "sidereal day".


How did the Maya use astronomy?

BY watching the sky, the priests learned about Astronomy and developed a 365-day calendar


What is an astrological day?

Its called a Solar Day. From (http://scienceworld.wolfram.com/astronomy/SolarDay.html) The length of time which elapses between the Sun reaching its highest point in the sky two consecutive times. This is what is usually simply called "the" day.


How was astronomy discovered?

Astronomy was discovered by Ancient peoples in Africa as a way of telling time. The ancient Egyptians used star risings as a way to measure the night time,..the evening and the morning was the first day Genesis 1:5. Later the Egyptians used Astronomy to predict the seasons of the year and the timing of the year. There was a stone calendar in 6500 BCE. Astronomy can be said to be the first science man developed.


What was Veterans Day first called and why was it first called that?

It was called Armistice day, marking the end of WWI.


What is the first day of spring called?

The first day of spring is called vernal equinox!


Which day is the Smallest day of 2008?

The smallest day in reference of Astronomy and Geography is 23rd day of every December.


What was Veterans Day first called?

Armistice Day.