You Are On Question Answer Bank SET 2318
115901. Father of modern space science?
Answer: Galileo Galilei
115902. Oldest of all the constellations?
115903. Which constellation is called by the name Milk- clipper?
115904. Where is Taurus?
Answer: Taurus extends from the celestial equator north to a little above 30° north declination.
115905. The two nearest galaxies to our milky way?
Answer: Large Magellanic cloud and small Magellanic cloud
115906. The galaxy nearer to our galaxy milky way?
Answer: Andromeda Galaxy
115907. Milkyway belongs to a cluster of some 24 galaxies called?
Answer: Local group
115908. Energy is transferred from the Sun to Earth mainly by?
Answer: electromagnetic waves
115909. The best evidence that Earth spins on its axis is provided by?
Answer: apparent shifts in the swing of a Foucault pendulum
115910. Existence of galaxies beyond milky way was first demonstrated by?
Answer: Edwin Hubble
115911. Galaxies are also called?
Answer: island of universe
115912. Father of Indian Astronomy?
115913. The system of astronomy based on Heliocentre (sun centred) universe was presented by?
115914. The astronomer who presented the system of astronomy based on a geo centric (earth centred) universe?
115915. The first who attempted to measure stellar distances?
Answer: James Gregory
115916. The length of an Earth day is determined by the time required for approximately one?
Answer: Earth rotation
115917. The apparent rising and setting of the Sun, as viewed from Earth, is caused by?
Answer: Earth’s rotation
115918. The apparent daily path of the Sun changes with the seasons because?
Answer: Earth's axis is tilted
115919. An inter stellar cloud of dust, hydrogen, helium and other ionized gases are called?
115920. First pulsar was discovered by?
Answer: Jacelyn Bell
115921. The pieces of rocks, which move around the sun are called?
115922. The tilt of the Earth on its axis is a cause of the Earth’s?
Answer: changing length of day and night
115923. Compared to the distances between the planets of our solar system, the distances between stars are usually?
Answer: much greater
115924. Why does the moon appear to move across the sky during the night?
Answer: Earth rotates on its axis.
115925. What time of year is the sun farthest from the earth?
Answer: Summer in the Northern Hemisphere.
115926. As per Microwave Anisotropy Probe (MAP) what is the exact age of the universe?
Answer: 13.7 billion year after the theoretical Big Bang
115927. Name the British astronomer who, told that the Universe was not limited to the solar system, but is much vaster than that?
Answer: Sir William Herschel
115928. Stars whose brightness increases to 20 magnitude or more due to explosion in the star is called?
115929. What is a star?
Answer: A star is a gaseous self-luminous body in space
115930. What is a parsec?
Answer: The word "parsec" is made up of the parts of the words "parallax" and "second". It means the distance from the Earth to a star whose parallax is one second of arc.
115931. What does magnitude mean?
Answer: Magnitude is the measure of the brightness of a star or of any luminous body in the heaven
115932. When the hydrogen in a star is depleted, its outer regions swell and redden such stars are called?
Answer: Red giants
115933. The brightest star is?
115934. What does the colour of the star signify?
115935. What are variable stars?
115936. Which star is not seen to change its position in the sky?
Answer: Pole star
115937. What are called as lighthouses in the sky?
Answer: Neutron stars
115938. What is the colour of the young stars in the sky?
115939. Where is the highest altitude of the star Polaris be observed?
Answer: Arctic Circle
115940. Which star is cooler and many times brighter than Earth’s Sun?
115941. Which is the brightest nebula visible in the night sky?
Answer: The Orion Nebula
115942. Name the nebula, a cloud of dust and gases 5,000 light years away from Earth, where the coldest places in the Universe can be found?
Answer: The Boomerang Nebula. The “cold spot” has a temperature of -2730C (457.60F)
115943. Which is the nearest planetary nebula to Earth?
Answer: The Halix Nebula (NGC 7293) lying about 450 light years away
115944. What are the most distant objects in the universe found to date?
115945. By which name, the dying star that have expanded greatly from its original size and gives off red light are known?
Answer: Red Giant
115946. Which is the nearest star cluster to our solar system?
Answer: Hyades cluster in the Taurus constellation. (The Bull). It’s about 150 million light years away.
115947. The multi coloured lights that sweep across the sky in waves and are visible in the Antarctic region are called?
Answer: Aurora Australis
115948. The part of the sun which is visible only during eclipses, as a remarkable silver pearly radiant glow around the sun?
115949. Centre of our solar system?
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115950. Members of the solar system?
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