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