Recent content by Monikeswari

  1. Monikeswari

    Question Quasars

    What are quasars?
  2. Monikeswari

    Question As a hole?

    The bottom of a black hole is a gravitational singularity,where the space time curvature is infinite. At the end of our sun it could not be a black hole, because for a black hole the star's mass should be 20 times bigger than our sun.
  3. Monikeswari

    Question If matter and antimatter were symmetric, then how do we exist?

    I think there is no equal amount of matter and antimatter in universe . So , that's why we exist
  4. Monikeswari

    Which are your 10 favourite planetary nebulae?

    Can you explain me briefly about nebulae