Nasiruddin Tusi was the famous astronomer of Iran whom George Sarton attributes 64 scientific books and he also worked as scientific advisor to Halaku Khan. Estimated age of the Universe is…

The planet with the shortest rotation time around its axis is Jupiter. The planet with the longest rotation time around its axis is Venus. Curiosity is the name of space shuttle…

Black Hole is Hypothetical region in space. Hydrogen is the most abundant element in the universe. The earth’s rotation on its axis is from West to East. In 1977, USA launched…

MAKEMAKE is the second most massive known dwarf planet in the Solar System (after Eris) and the tenth-most massive body observed directly orbiting the Sun. Sputnik II, first artificial satellite, was…

The first artificial satellite was launched in October 4, 1957. America launched its first space station in 1973. Six of the eight planets of the solar system were known in the…

The period of one revolution of sun around the center of galaxy is called cosmic year. Super Nova means a dying star. Asteroids or planetoids circle between Mars and Jupiter. The…

The light coming from stars gives the idea of their temperature. The Milky Way extends through a distance of 105 light years. Venus has almost the same mass, size and density…

Stars which appear single to the naked eye but are double stars when observed by a telescope, are known as Binderies. The outermost layer of Sun is Corona. The altitudes of…