The heavenly body on which man has
landed: The Moon.
The date on which man landed on the
Moon: July 21 1969 (Apollo - II)
What is the unknown mineral found in
Moon? Armalcolite. It was
named after the astronauts Armstrong, Aldrin, Collins and the name of the
area Tranquillititis.
What is the age of the rock taken from the
Moon? 4.25 billion years.
Who first noticed the Moon through a
telescope? Galileo
Who proclaimed that the Moon is a planet like the
Earth? Galileo
Who first drew the chart of the
Moon? William Gilbert.
Who first made the spectroscopic study of the
Moon? William Higgins.
Who first photographed the Moon?
John W. Draper.
The diameter of the Moon: 34750
km.
What is the size of the Moon?
About 1/5 of the size of the Earth.
The surface area of the Moon:
One thirteenth of that of the Earth.
Mean density of the Moon: 3.342
The distance between the Earth and the Moon when they reach very
near: 356410 km.
The distance between the Moon and the Earth when they reach the farthest
points: 407696 km.
The weight of the Moon: One
eighth of the Earth.
How much is the gravitational pull of the
Moon? One sixth of the Earth.
How much farther does the Moon moves from the Earth in a
year? 15 cm.
What is escape velocity? The
velocity required by a body to move out of Earth's atmosphere by
overstepping the gravitational force of the Earth.
What is the escape velocity of the
Moon? 8047km/hour.
The highest mountains on the
Moon: (1) Liebnitz Mountains
(35,000 ft) It is higher than Everest. (2) Descarts highlands
(25688 ft)
Which is the largest carter in
Moon? The largest visible crater
is Bailly, towards the Moon's south pole, which is 295 km. across with walls
raising 14,000 ft.
Which is the brightest visible spot in the
Moon? The brightest directly
visible spot is-Aristarchus.
The day time temperature on the
Moon? Rises up to 100 degree C.
The night temperature on the
Moon: Comes down to minus 180
degree C.
What is New Moon? When the Moon
reaches a particular point in between the Sun and Earth, the non-luminous
side of the Moon comes face to face to the Earth. This phenomenon is called
the New Moon.
What is meant by Full Moon?
After the New Moon day, the Moon moves through its orbit, when its face
gradually becomes more and more visible. The day on which the full
face of the Moon becomes visible is called the Full Moon day.
What is Lunar Eclipse? When the
Earth comes between the Sun and the Moon, the shadow of the Earth falls on
the Moon. This phenomenon is called lunar eclipse.
What is the maximum duration of lunar
eclipse? 104 minutes.
Time required by the Moon for one revolution around the
Earth: 27 1/3 days.
With what speed the Moon moves around the
Earth? 3680 km. per hour.
Time required by the Moon to rotate on its own
axis. 29 1/2 days.
The average distance from the Earth to the
Moon: 384400 km. (From centre to
centre)
Which is the deepest Crater?
Newton Crater is the deepest with a floor estimated to be between 23,000 and
29,000 ft. below its run and 14,000 ft. below the level of the plain
outside.