World geography Quiz 3 September 22, 2018 September 22, 2018 Please enter your email: 1. ‘Parsec’ is the unit of measurement of: orbital velocity of giant stars astronomical distance density of stars brightness of heavenly bodies 2. The Milky way extends through a distance: 105 light years 8 light years 1010 light years 1 light year 3. The period of one revolution of sun around the centre of galaxy is called: Parsec Cosmic year Light year Astronomical year 4. Which two planets of the solar system have no satellites? Venus and Mars Mercury and Venus Venus and Neptune Mercury and Mars 5. Comets revolve around: [NDA 1990] earth venus sun no single heavenly body 6. The light coming from stars gives the idea of their: size rotational speed temperature mass 7. Super Nova is : [CDS 1994] a black hole a comet a dying star an asteroid 8. The sunspots cause: [UP PCS 1995] aurora borealis and aurora australis polar auroras magnetic storms on the surface of the sun all of these 9. Lunar Sea refers to : a light water body illuminated by the moon-light a dark plain on the moon a sea on earth which experiences high tides due to gravitational attraction of the moon a small sea on the moon 10. The planet Mercury is difficult to be observed most of the time because: 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. it being too close to the Sun, gets hidden by the glare of the Sun Loading … Question 1 of 10 Share this:WhatsAppTelegramTweet Related
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