Astronomy-Objective Related Question Answers
451. Which constellation is known as Hunter?
Orion
452. Father of modern space science?
Galileo Galilei
453. Oldest of all the constellations?
Leo
454. Which constellation is called by the name Milk- clipper?
Saggitarius
455. Where is Taurus?
Taurus extends from the celestial equator north to a little above 30° north declination.
456. The two nearest galaxies to our milky way?
Large Magellanic cloud and small Magellanic cloud
457. The galaxy nearer to our galaxy milky way?
Andromeda Galaxy
458. Milkyway belongs to a cluster of some 24 galaxies called?
Local group
459. Energy is transferred from the Sun to Earth mainly by?
electromagnetic waves
460. The best evidence that Earth spins on its axis is provided by?
apparent shifts in the swing of a Foucault pendulum
461. Existence of galaxies beyond milky way was first demonstrated by?
Edwin Hubble
462. Galaxies are also called?
island of universe
463. Father of Indian Astronomy?
Aryabhata
464. The system of astronomy based on Heliocentre (sun centred) universe was presented by?
Copernicus
465. The astronomer who presented the system of astronomy based on a geo centric (earth centred) universe?
Ptolemy
466. The first who attempted to measure stellar distances?
James Gregory
467. The length of an Earth day is determined by the time required for approximately one?
Earth rotation
468. The apparent rising and setting of the Sun, as viewed from Earth, is caused by?
Earth’s rotation
469. The apparent daily path of the Sun changes with the seasons because?
Earth's axis is tilted
470. An inter stellar cloud of dust, hydrogen, helium and other ionized gases are called?
Pulsars
471. First pulsar was discovered by?
Jacelyn Bell
472. The pieces of rocks, which move around the sun are called?
Meteoroids
473. The tilt of the Earth on its axis is a cause of the Earth’s?
changing length of day and night
474. Compared to the distances between the planets of our solar system, the distances between stars are usually?
much greater
475. Why does the moon appear to move across the sky during the night?
Earth rotates on its axis.
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