》There are billions and billions of stars in the sky but only about 2000 Stars can be seen with the naked eye on a clear moonless night.
》There are 10 power 22 stars in the Universe.
》About 8000 stars are visible from the Earth with naked eye. Out of this, 4000 stars are visible in the Northern Hemisphere and 4000 in the Southern Hemisphere.
》In either hemisphere, only 2000 stars are visible at any given time.
》The other 2000 are located in the day-time sky and the brightness of the Sun renders them invisible.
