Affaan power point
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Transcript of Affaan power point
Stars
By Affaan Hyder
What are stars
a fixed luminous point in the night sky that is a large, remote incandescent body like the sun..
a conventional or stylized representation of a star,
typically one having five or more points.
The navigational stars
Explorers have used the stars as a compass for millennia, and if you’re out having adventures at night, you should
add the skill to your arsenal.
It’s always within one degree of true north. So use the Big Dipper and Cassiopeia are your guides. Look at the Dipper’s ladle and pretend you’re
pouring soup from it. The flow of that space soup will point straight to the North Star..
Big stars
Big stars are very big Bigger then the sun and stars are in different shapes and in colour.
Names of some big starsUY scutiNML cygniWHO G64VX sagittarii
The unit of measurement used is the radius of the Sun (approximately 695,500 kilometers, or 432,450 miles).
The Constellation of stars
A constellation is an internationally defined area of the celestial sphere. These areas are grouped around patterns that represent the
shapes that give the name to the constellations. When astronomers say an object is "in" a given constellation, they
mean it is within the boundaries of one of these defined areas of sky.