Description : Which is the second nearest star to the Earth after the Sun? (1) Vega (2) Sirius (3) Proxima Centauri (4) Alpha Centauri
Last Answer : (3) Proxima Centauri Explanation: As the nearest star from our Solar System, Proxima Centauri is a prime candidate for future interstellar travel and space colonization missions. Proxima Centauri is a red dwarf star ... known star to the Sun, although it is too faint to be seen with the naked eye.
Description : The star (other than the sun) nearest to the earth is (a) Proxima Centauri (b) Alpha Centauri (c) Pole star (d) Vega
Last Answer : Ans:(a)
Description : The nearest star (other than the sun), which is visible to the naked eye is (a) Proxima Centauri (b) Alpha Centauri (c) Pole star (d) Vega
Last Answer : Ans:(b)
Description : Which is the nearest star to our sun? A. Proxima Centurai (Answer) B. Alpha Scorpii C. Beta Orionis D. Vega
Last Answer : A. Proxima Centurai (Answer)
Description : How long does it take for light to reach Alpha Centauri from the sun ?
Last Answer : It takes more than four years for light to reach Alpha Centauri from the sun.
Description : The planet nearest to the Sun is : (1) Earth (2) Mercury (3) Mars (4) Venus
Last Answer : Mercury
Description : If a star is bigger than Sun, but not more than twice as big, it will turn into a _______. (1) Pulsar (2) Maxima (3) Avenger (4) Discover
Last Answer : Pulsar
Description : how long until Toliman Alpha Centauri B dies?
Last Answer : 4.6 billion years
Description : The constellation `Sapta Rishi' is known to Westerners as the – (1) Seven Monks (2) Alpha Centauri (3) Big Dipper (4) Small Bear
Last Answer : (3) Big Dipper Explanation: The Steady State theory (also known as the Infinite Universe theory or continuous creation) was developed in 1948 by Fred Hoyle, Thomas Gold, Hermann Bondi and others as ... asserts that the observable universe is basically the same at any time as well as at any place.
Description : The tides in the sea are primarily due to (1) the atmospheric effect of the Earth (2) the gravitational effect of Venus on the Earth (3) the gravitational effect of the Sun on the Earth (4) the gravitational effect of the Moon on the Earth
Last Answer : the gravitational effect of the Moon on the Earth
Description : Tides in the sea are caused by (1) effect of Sun (2) effect of Moon (3) eombined effect of Moon and Sun (4) gravitational force of Earth and Sun
Last Answer : eombined effect of Moon and Sun
Description : Tides are caused by the gravitational pull of the (1) Earth on the Moon (2) Earth on the Sun (3) Sun and Moon on the Earth (4) Moon on the Earth
Last Answer : Sun and Moon on the Earth
Description : What is the position of the Earth when it is at the greatest distance from the sun ? (1) Aphelion (2) Antipode (3) Perihelion (4) Aldiate
Last Answer : Aphelion
Description : Solar eclipse occurs when (1) the Moon does not lie on the line joining the Sun and the Earth (2) the Moon comes between the Sun and the Earth (3) the Sun comes between the Moon and the Earth (4) the Earth comes between the Moon and the Sun
Last Answer : the Moon comes between the Sun and the Earth
Description : When the earth is at the maximum distance from the Sun, it is called (1) Aphelion (2) Perihelion (3) Equinox (4) Sidereal
Description : When does the moon come between the Sun and earth? (1) Lunar eclipse (2) Solar eclipse (3) Sidereal day (4) Full moon day
Last Answer : Solar eclipse
Description : Suppose if we measure the time lapse between the two Sunsets by sitting in the beach, from this we can estimate (1) The distance between the sun and the earth (2) The depth of the ocean (3) The radius of the earth (4) The radius of the sun
Last Answer : The radius of the earth
Description : Why are winters more severe in Southern Hemisphere than in Northern Hemisphere? (1) Earth is titled towards the sun in the Northern Hemisphere (2) Northern Hemisphere receives more sunlight (3) Because of more iceberg activity in Southern Hemisphere (4) Southern Hemisphere is less inhabited
Last Answer : Earth is titled towards the sun in the Northern Hemisphere
Description : When does solar eclipse take place ? (1) When the sun is between the moon and earth (2) When the earth is between the moon and sun (3) When the moon is between the sun and earth (4) When the moon does not lie on the line joining the sun and earth
Last Answer : When the moon is between the sun and earth
Description : The light from the Sun reaches the Earth in about— (1) 8 seconds (2) 8 minutes (3) 10 seconds (4) 10 minutes
Last Answer : 8 minutes
Description : The asteroids revolve round the Sun in between : (1) Earth and Mars (2) Mars and Jupiter (3) Jupiter and Saturn (4) Saturn and Uranus
Last Answer : Mars and Jupiter
Description : Katrina is the name given to _________ (1) Satellite (2) Star (3) Heat wave (4) Hurricane
Last Answer : Hurricane
Description : A spinning neutron star is known as (1) White dwarf (2) Black hole (3) Pulsar (4) Quasar
Description : ‘Super nova’ is (1) a comet (2) an asteroid (3) an exploding Star (4) a black hole
Last Answer : an exploding Star
Description : Which of the following is known as the Morning Star? (1) Saturn (2) Jupiter (3) Mars (4) Venus
Last Answer : Venus
Description : Which planet is called evening star? (1) Mars (2) Mercury (3) Venus (4) Jupiter
Description : What is meant by the term “midnight sun” ? (1) Twilight (2) Rising Sun (3) Very bright moon (4) Sun shining in the polar circle for long time
Last Answer : Sun shining in the polar circle for long time
Description : Source of energy in ecosystem is (1) Sun (2) Green plants (3) Sugar produced in photosynthesis (4) ATP
Last Answer : Sun
Description : Airmass near to the earth’s surface is warmer because it (1) radiates heat (2) contains dust particles (3) is warmed by terrestrial radiation (4) is far from the sun
Last Answer : is warmed by terrestrial radiation
Description : Troposphere is the hottest part of the atmosphere because (1) it is closest to the Sun (2) there are charged particles in it (3) it is heated by the Earth’s surface (4) heat is generated in it
Last Answer : it is heated by the Earth’s surface
Description : Storms of gases are visible in the chromosphere of the Sun during (1) Cyclones (2) Anticyclones (3) Lunar eclipse (4) Solar eclipse
Description : Equinox occurs when the sun is vertically above _____ (1) Tropic of Capricorn (2) Tropic of Cancer (3) Poles (4) Equator
Last Answer : Equator
Description : Why is the South Pole colder than the North Pole ? (1) High altitude (2) More rainfall (3) Strong winds (4) Away from the sun
Last Answer : High altitude
Description : The temperature of water at the bottom of a large waterfall is higher than that of the water at the top. because (1) the falling water absorbs heat from the Sun. (2) the water at the bottom has greater ... of the falling water is converted into heat. (4) rocks on the bed of the river give out heat.
Last Answer : the kinetic energy of the falling water is converted into heat.
Description : When does the sun shine vertically on the Equator ? (1) Throughout the year (2) For six months (3) Twice a year (4) Once a year
Last Answer : Twice a year
Description : The outermost layer of sun is called (1) Lithosphere (2) Chromosphere (3) Photosphere (4) Corona
Last Answer : Corona
Description : Which of the following Scientist proved that the path of each planet around the Sun is elliptical? (1) Kepler (2) Galileo (3) Newton (4) Copernicus
Last Answer : Kepler
Description : The total number of planets revolving around the sun is (1) Five (2) Eight (3) Seven (4) Six
Last Answer : Eight
Description : When the moon completely covers the sun, it is known as (1) the Antumbra (2) the Umbra (3) the Penumbra (4) None of these
Last Answer : the Umbra
Description : Light from the Sun reaches us in nearly (1) 8 min (2) 2 min (3) 6 min (4) 4 min
Last Answer : 8 min
Description : The planet that takes 88 days to make one revolution of the sun is : (1) Mercury (2) Saturn (3) Jupiter (4) Mars
Description : The outermost layer of the Sun is called (1) Chromosphere (2) Photosphere (3) Corona (4) Lithosphere
Description : The surface temperature of the sun is estimated as (1) 6000 °C (2) 12000 °C (3) 18000 °C (4) 24000 °C
Last Answer : 6000 °C
Description : Which amidst the following planets has its orbit closest to Sun ? (1) Venus (2) Mars (3) Jupiter (4) Uranus
Description : What is the common name for the star Sirius?
Last Answer : Dog Star
Description : Which one is the brightest star in the night sky? A. Betelgeuse B. Sirius (Answer) C. Rigel D. Polaris
Last Answer : B. Sirius (Answer)
Description : What is the common name for the star Sirius
Description : What is the distance of the nearest star besides the sun from the earth? -Do You Know?
Last Answer : answer:
Description : Light from the nearest star (other than the sun) reaches the earth in (a) 4.2 seconds (b) 42 seconds (c) 4.2 years (d) 42 years
Last Answer : Ans:(c)
Description : What is the distance of the nearest star besides the sun from the earth?
Last Answer : 4.2 light years