Quasars :-
- They are higlyh luminous celestial object. Through they are smaller than the Galaxy, they emit more light than the Galaxy. They were found in 1962 AD. In 1983 AD, such quasar was found whose brightness is 1.1 × 10⅝ times more than the brightness of the sun.
Leonid Showers :-
- It is a storm is meteors, which is generated from planetarium named Leo. This meter is actually a part of comet Temple Turtle and they fall every 33 years..
Solstice (Transistion ) :-
- The sun rays fall veritically on the Tropic of Cancer on 21 June and on this day , it is the longest day in the Northern Hemispheres, which is called the summer solstice. On 22 December, the sun rays falls vertically on the tropics of Capricorn and it is the longest day in the southern Hemisphere. This is called the winter solstice. The sun rays falls vertically on the Equator on 21 March and on 23 December. On these days, days and nights are of the same period at all the places of the Earth.
Constellation and Solar Day :-
- The time taken for the revolution of the Earth is called the constellation day and its period is 23 hours and 56 min. The time taken for tbr sun tk pass the certai . Meridian succesvily for twice is called the solar day. It's average time is 24 hours..
Eclipse :-
- There is a difference of 5° between tbs orbit planes can enter into the Earth plane for once in a while. This is the reador why the esclips of moon. Similarly, the esclips of Sun occurs on that new Moon, when the moon enters into the Earth plane.
The Zodiac :-
- The earth passes by so many group of stars during the revolution. The zodiac is imagined from the shape of thses starts group e.g. the Stars group with shape like fish is called the Pisces.
