• Which planet is named after the Roman god of war? Mars
• Galaxies are the families of stars.
• About 80% of galaxies are elliptical and other are spiral
• Elliptical galaxies contain very little gas and dust and hardly any new stars are born in them.
• Spiral galaxies are disk shaped and usually have clouds of dust and gas where new stars are born.
• Light travels at 3,00,000 km/s. the speed at which you can round the world seven times in very second.
• Light takes 8 minutes to reach the earth from sun.
• In space light travels 9461 million million km in a year. Astronomers call this distance a light year.
• Two planet Earth’s could fit side by side inside the Great Red Spot of Jupiter.
• Jupiter’s volcanic moon is called IO and other moons are Europa, Ganymede and Callisto.
• Ganymede is the largest moon in the solar system.
• Europa is the moon of Jupiter
• The moon has no atmosphere because its gravitational pull is not strong enough to hold an atmosphere
• Chondrite meteorites are the oldest rocks in the solar system.
• Venus is the only planet that rotates clockwise.
• ‘Galileo Satellites’, named after their discoverer, are four large moons of the planet
• Mars contain atmosphere of Carbon dioxide and Uranus contain atmosphere of Hydrogen and Helium.
• Venus is about the same size as Earth.
• Venus’s atmosphere is 90 times thicker than our. It traps so well that the temperature of Venus’s surface is about 430 degree centigrade.
• Closest star is (Gienah) 680,000 million, million, kilometers.
• Nicolous Copernicus (1473-1543) was born in Poland. He was the first to explain the solar system.
• Chiron is one of several distant asteroids with orbits between Jupiter and Uranus.
• In the Solar system there are 2 Mount Olympus’s Greece and where- Mars
• What is the brightest star always in the Northern sky-Vega
• The most common element in the universe is Nitrogen.
• Hydra is the largest of the 88 constellations found in the universe. It covers about 3.16 % of the entire sky.
• The M-class supergiant Betelgease with a diametre of 700 million kms is the largest star of the universe. It is about 500 times greater than the sun.
• What is the common name for the star Sirius: Dog Star
• Pluto (the Planet) was almost called what name-Zeus
• When a satellite is closest to Earth its position is called what Perigee
• 30 km/s is the approximate mean velocity with which earth moves round the Sun in its orbit.
• The earth’s reflectivity of solar radiation is termed as albedo.
• Joseph von Fraunhofer was the first to explain the presence of dark lines in the sun’s spectrum.
• Light of sun reaches the earth in…..499 seconds
• Hale-Bopp comet was the most distant comet ever discovered which became visible in December, 1996.
• What is the name of the largest moon of Jupiter-Ganymede
• M31 is the nearest galaxy to us – what is its other name-Andromeda
• The earth is the densest planet of universe .It has density of 5.515 time that of water.
• Halos around the moon are formed because of the phenomenon of ___ (optical phenomena)
• What is unique about the pistol star- Brightest in sky
• Name the first teddy bear in space- Mishka 1980 Olympic mascot
• What celestial body gets its name from the Greek long haired Comet
• What’s unusual about the moons of Uranus-Named Shakespeare characters
Latest Who is Who & What is What (Complete General Knowledge Book) for PPSC PMS PCS FPSC CSS Competitive Exam Preparation Most Helping Guide of PMS Jobs Written Test MCQs Information by Adspk
Adspk11
23/11/2015
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