World geography Quiz 3 September 22, 2018 September 22, 2018 Please enter your email: 1. Super Nova is : [CDS 1994] a dying star an asteroid a comet a black hole 2. The planet Mercury is difficult to be observed most of the time because: it being too close to the Sun, gets hidden by the glare of the Sun it goes too far away from the Earth it gets hidden behind Venus it cannot be seen at night as at that time no sunlight falls on it. 3. The period of one revolution of sun around the centre of galaxy is called: Light year Cosmic year Astronomical year Parsec 4. Comets revolve around: [NDA 1990] earth sun venus no single heavenly body 5. The sunspots cause: [UP PCS 1995] aurora borealis and aurora australis magnetic storms on the surface of the sun all of these polar auroras 6. Which two planets of the solar system have no satellites? Mercury and Venus Venus and Mars Venus and Neptune Mercury and Mars 7. The Milky way extends through a distance: 1010 light years 105 light years 8 light years 1 light year 8. The light coming from stars gives the idea of their: size mass rotational speed temperature 9. Lunar Sea refers to : a dark plain on the moon a light water body illuminated by the moon-light a sea on earth which experiences high tides due to gravitational attraction of the moon a small sea on the moon 10. ‘Parsec’ is the unit of measurement of: brightness of heavenly bodies astronomical distance density of stars orbital velocity of giant stars Loading … Question 1 of 10 Share this:WhatsAppTelegramTweet Related
Comments are closed.