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