03-01-2018, 04:29 PM
*The planet known as “blue planet” -Earth (because Earth looks blue from space)
*The only planet in the solar system that is known to have life.
*The only natural satellite of Earth - Moon
*The fifth largest natural satellite in the solar system
Ans : Moon
*The age of Earth is approximately
Ans : 460 crore years
*The shape of the Earth
Ans : Geoid (Oblate Spheroid)
*The escape velocity of Earth
Ans : 11.2 km/sec.
*The earth day is observed on
Ans : 22nd April
MOON
*Earth’s natural satellite
Ans : Moon
*The 5th largest satellite in our solar system
Ans : Moon
*Over 59% of the Moon’s surface is directly visible from Earth
*Moon light reaches Earth in
Ans : 1.3 seconds
*The second full moon in a month
Ans : Blue Moon
*Lunar eclipse occurs at
Ans : Full Moon (It happens when the Earth comes between the Moon and the Sun)
*One can see both the setting sun and the rising moon, on a full moon day.
*The celestial body that bear the name ‘The Sea of Tranquility’ and ‘the Ocean of Storms’
Ans : Moon
*The dark plain on the moon is called the lunar seas.
*The first man made structure visible from the moon
Ans : Great wall of China
*The metal abundantly found in the moon
Ans : Titanium
*The first space craft to reach the surface of the moon
Ans : Luna 2 (Russia)
*The first spacecraft to orbit the moon successfully
Ans : Luna 10 (Russia)
Man towards Mars
*NASA’s new space craft built to take human farther into space than they have ever gone before
Ans : Orion
*The first test fright of Orion EFT-1, the multipurpose crew vehicle took place on
*5th December 2014.
Space Tourism
*The, first space tourist in the world
Ans : Dennis Tito (America)
*The first woman space tourist in the world
Ans : Anousheh Ansari (Iranian Origin)
List of Space Tourists
Year Space tourists Nationality
*2001 -Dennis Tito -America
*2002 -Mark Shuttle Worth- South Africa
*2005 -Gregory Olsen -America
*2006 -Anousheh Ansari -Iranian origin/ American Citizen
*2007 -Charles Simonyi -Hungaria
*2008 -Richard Garriott -Britain/America
*2009 -Guy Laliberte -Canada
*The first astronaut to land on the Moon
Ans : Neil Armstrong, Edwin Aldrin (20th July 1969, Apollo-II)
*The small vehicle which was used to land on the Moon by Neil Amstrong and Edwin Aldrin
Ans : Eagle
*The last astronaut'to land on the Moon
Ans : Eugene Cernan (1972)
*Mass of the Moon is l/6th Mass of earth
Mars
*Period of Revolution -687 days
*Period of Rotation-24 hours 37 minutes 22.63 seconds
*Mars is the Roman god of war
*The planet knowns as 'Fossil Planet' and 'Rusty Planet',Red Planet' due to the presence of iron oxides
Ans : Mars
*The two satellites of Mars
Ans : Phobos,Deimos
*Olympus Mons: The highest volcanic mountain in the Mars rising 27km above the plain is in Mars.
*Tharsis: Is an extensive volcanic province on Mars that contains three of the planet’s most massive volcanoes
*Valles Marineris : a system of Canyons that runs along the surface of Mars.
*Hellas Planitia: an impact crater in the
*The smallest satellite in the solar system
Ans : Deimos
*The satellite also known as “black moon”
Ans : Phobos
*Phobos and deimos are discovered by
Ans : Asaph Hall (1877)
*The first successful fly-by of Mars
Ans : Mariner - 4 (1965)
*First space probe to orbit another planet (When it entered into orbit around Mars)
Ans : Mariner 9 (Nov 14, 1971)
*The first space craft to land on the surface of Mars
Ans : Viking - 1 (USA,launched on 20th August 1975)
*The spacecraft of NASA to Mars launched on 4th December 1996 and landed on the surface of Mars on 4th July 1997
Ans : Path Finder
*The first robot, that landed on the martian surface and explored Mars
Ans : Sojourner
*The robotic spacecraft landed on Mars to search for water
Ans : Phoenix
Seven minutes of terror
*Curiosity, a robotic rover launched by NASA on
Ans : 26th November 2011
*Curiosity landed safely on the Mars on
Ans : 6th August 2012 (Indian time)
*Curiosity landed in ‘Gale Crater’ in Mars
*The Landing of curiosity is known as “Seven minutes of terror”.
*Curiosity is the fourth space craft to send to the Mars.
