Pluto was discovered by Clyde Tombaugh.
The discovery was officially made in the year 1930.
Which one of the following is the correct sequence of arrangement of the given planets in descending order of their density (in gm/cm3)?
Which one of the following astronomers proved that the Earth and other planets revolve around the Sun?
If it is 12 noon in New Delhi, what will be the time in London, UK?
Which one of the following statements is true?
The Prime Meridian does not pass through which one of the following African countries?