Monday, November 7, 2011

Types Of Constellations

Constellations can be seen clearly at night when there is no sunlight. They cannot be sen during the day because the sunlight is too bright. Some famous constellations are shown below.

Big Dipper
This constellation looks like a saucepan or dipper. It is visible only in the northern hemisphere.

Orion
This constellation looks like a hunter with a belt and sword. It is visible in both the northern and southern hemispheres.

Southern Cross
This constellation look like a cross or a diamond-shape kite. It can be seen only in the southern hemisphere. It is the smallest constellation among the 88 modern constellations.

Scorpio
This constellation looks like a scorpion.


The location of constelations in the sky changes from one position to another because the Earth rotates on  its own axis. Therefore, we connot see all the constellations at the same time.


Below are the time of appearance of some constellations.


a) Big Dipper- April to June around 8pm till 10pm


b) Southern Cross-April to June around 8pm till 10pm


c) Scorpio-December to Ferbruary around 8pm till 10pm


d) Orion- June to August around 8pm till 10pm

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