Question

Observe the stars and planets in the clear sky on a dark night. Note down the

various stars you have seen in the sky in your copy.​

Answer 1

Answer: The term night sky, usually associated with astronomy from Earth, refers to the nighttime appearance of celestial objects like stars, planets, and the Moon, which are visible in a clear sky between sunset and sunrise, when the Sun is below the horizon.There are no markings on the night sky, though there exist many sky maps to aid stargazers in identifying constellations and other celestial objects EX-

Orion

The Big Dipper

Planets, named for the Greek word for "wanderer," EX-

Mercury

Jupiter and Saturn

Earth's Moon appears as a grey disc in the sky with cratering visible to the naked eye.

Comets come to the night sky only rarely. Comets are illuminated by the sun, and their tails extend away from the sun.

Clouds obscure the view of other objects in the sky, though varying thicknesses of cloud cover have differing effects.

On clear dark nights in unpolluted areas, when the moon is thin or below the horizon, the Milky Way, a band of what looks like white dust, can be seen.

Meteors (commonly known as shooting stars) streak across the sky very infrequently. During a meteor shower, they may average one a minute at irregular intervals, but otherwise their appearance is a random surprise.

Aircraft are also visible at night, distinguishable at a distance from other objects because their navigation lights blink.

Answer 2

Answer:

There are innumerable stars in the sky. Little did we know that the stars even though looks so small are giant and are burning so brightly that we can see them with our naked eye. I have observed the stars and the planets in the clear sky a night. The observations are as follows:

• We saw the north star. Bright and shiny in the north sky. It was beautiful.
• We also observe Mars in the eastern sky. It was red like we read in the books. From where we were observing, it looked like a red moon with the naked eye but with the help of a telescope, it was evident that it was Mars.
• We saw the Dog star which is said to be the brightest in the night sky.
• Another observation was the presence of the star Alpha Centauri. It was not a single star, it is also known as a double-star system.

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