Nebula which is 20 times massive than Sun .

 The veil Nebula is a cloud of heated and ionized gas and dust in the constellation Cygnus. The source Supernova was a star 20 times more massive than the Sun which exploded between 10,000 and 20,000 years ago. Hubble Telescope is capturing the images of the Nebula.

FACTS ABOUT THE VEIL NEBULA:-

1. It has appeared brighter than the Venus at the time of explosion.

2. The Nebula has 3 main visual components

A) Western Veil Nebula ( Caldwell 34 ).

B) Eastern Veil Nebula ( Caldwell 33 ).

C) Pickering's Triangle ( Pickering's Triangle Wisp ).

3. NGC 6992, is brightest area of Eastern Veil.

4. NGC 6974 and NGC 6979 are luminous knot.

5. Discovered on 5th September 1784, William Herschel.

6. Veil Nebula is expanding of a velocity of 1.5 million kilometers per hour.