Why does it is said that looking at stars on a clear night sky means looking back in time?
| 1. | What we are seeing at that time is actually has stated its journey millions of years back |
| 2. | What we are seeing at that time is actually has stated its journey trillions of days back |
| 3. | What we are seeing at that time is actually has stated its journey thousands of days back |
| 4. | What we are seeing at that time is actually has stated its journey thousands of kilometers away |
Which of the following is not true about Big Bang theory?
| 1. | A singular huge explosion |
| 2. | Universe expanded and temperature came down |
| 3. | Hydrogen and Helium formed alongwith this expansion |
| 4. | The gases condensed under gravitation and formed the galaxies of the present day universe. |