Everyday Science Exercise 8 ( The Universe )

Everyday Science Exercise 8 ( The Universe )

• Jupiter is largest, with largest number of satellites, smallest day, with a red spot. Moon = 63
• Jupiter is 11(or 10) times larger than earth
• Europa is the moon of Jupiter.
• CHIIRON is the larges comet in the universe.
• Solar eclipse occurs at new moon
• Sun is 400 times larger than moon
• Lunar eclipse occurs at full moon.
• Halos around the moon are formed because of the phenomenon of ___ (optical phenomena)
• Jupiter is the fastest planet of the solar system
• The Asteroid Belt is found between which of the following planets? Mars and Jupiter
• The visible part of the Sun is called Photosphere
• Corona is the outer most halo of the Sun.
• Mercury and Venus are without Satellites.
• The largest crater on the surface of moon is called to Bailly.
• The earth is calculated to b 4540 million years old.
• A ‘shooting star’ is a meteor.
• At 7050 km per hour, Sun rotate on its axis.
• 510 million square kilometers is the total surface area of the earth.
• The northern polar lights are called Aurorae Borealis, and southern polar lights are called Aurorae Australis.
• The pulsating universe theory explains the evolution of universe.
• 760 miles/hr is the speed of sound.
• 1480, 00,000 km is the distance from sun to earth.
• Temperature of Sun is 6000 degree C.
• Saturn is least dense moon = 56
• Saturn is the second largest planet.
• Planet with maximum number of moons is Saturn
• Planet with ring is Saturn
• Uranus moon = 12, Uranus gives greenish glow
• Neptune is the coldest, slowest, largest yearmoon = 8
• Rank of earth as per size is Fifth
• Revolution period of earth is 365.25 days
• In a leap year there are 29 days in Febrary
• Earth is older than moon
• Sun light takes 8.3 min to reach earth or 510 seconds
• Time required to moon light to reach earth is 1.3 seconds
• Light can circle earth 7 times in a________.
• Sun is 109 times bigger than earth.
• Light travels fastest in vaccum
• Rhea is the fifth natural satellite of saturn
• Coldest, smallest and farthest planet Neptune
• Asteroids are small planets revolving round the sun
• Sun is the brightest star in the universe
• A shooting star is called a meteor
• Our galaxy is spiral known as Milky Way
• Shape of our milky way is spiral
• The milky way extends through the distance of 10 power 5 light years
• Super Nova is a dying star
• Nearest spiral galaxy to Milky Way is Andromeda galaxy
• Nearest start to our sun is Alpha Centauri
• Biggest star in our galaxy is Proxima Centauri
• A collection of galaxies is called cluster
• Moon is 81 times lighter than earth
• Moon has 7% reflection as compared to earth (i.e poor reflection)
• Moon has 1/6th gravitation as that of earth
• Moon’s 59% surface is visible from earth
• Mass of moon is 1/8th to that of the earth
• Moon has no atmosphere