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