Solar System
Solar System - Part2
83) What is the first spacecraft to achieve a survivable landing on a celestial body?
Luna 9
84) Which was the first artificial satellite of the Moon?
Luna 10
85) Which was the world’s first space station?
Salyut 1. It was launched in 1971
86) Which two crewed craft were first docked in Earth orbit?
Soyuz 4 and Soyuz 5
87) What was the first permanently crewed space station?
Mir Space station
88) Who was the first woman to walk in space?
Svetlana Savitskaya
89) Who was the world’s first space tourist who went to ISS in 2001?
Dennis Tito went to International Space Station(ISS) by Soyuz rocket of Russia
90) What is the name of the space plane in which Richard Branson went into space?
Unity. It is made by Virgin Galactic company
91) How high did Richard Branson’s space plane Unity went into space?
53 miles (88 km)
92) How far did Jeff Bezos went into space?
66 miles (106 km). The New Shepard rocket was developed by Blue Origin
93) What is the oldest known meteorite?
The Allende meteorite
94) Which is the closest planet to the Sun and also the smallest planet in the Solar System?
Mercury
95) Does the planet Mercury has atmosphere?
Mercury has no atmosphere
96) Does planet Mercury has moons?
Planet Mercury does not have moons
97) Which planet was named after the Roman messenger of the gods?
Mercury
98) Which planet was named after the Roman goddess of love?
Venus
99) Which is the hottest planet of our Solar System?
Venus
100) Does planet Venus have moons?
Planet Venus does not have moons
101) Which is the planet not named after a god?
Earth
102) What is the largest volcano in the Solar System? Where is it located?
Olympus Mons is the largest volcano in the Solar System. It is located in the planet Mars
103) Which planet is named after the god Zeus?
Jupiter
104) Which planet has shortest day of all planets?
Jupiter. 10 hours day
105) Which is the 2nd largest planet?
Saturn
106) What planet is named after Greek god Ouranos?
Uranus
107) Which planet is in greenish-blue colour?
Uranus
108) Which planet has 13 rings and 27 moons?
Uranus
109) Which is the only spacecraft to have visited planet Neptune?
Voyager 2
110) How many moons does planet Neptune have?
14 known moons
111) What is Kupier belt?
It is a region beyond the planet Neptune. It is believed to contain many comets, asteroids and other bodies made of ice. Dwarf planet Pluto is here
112) What is Oort Cloud?
Oort Cloud is believed to be spherical shell surrounding the solar system
113) Which planet’s axis of rotation is not perpendicular to the ecliptic?
Uranus and the dwarf planet Pluto
114) What contains 99.8% of all the matter in the Solar System?
Sun
115) What is the speed of the solar wind in Earth’s Orbit?
250 miles (400 kms) per second
116) What are Jovian Planets?
Jupiter, Uranus, Saturn and Neptune
117) What is light year?
It is distance travelled by light in 1 year. It is a unit of measurement to measure distances in space
118) What is speed of light?
186,000 miles/sec (300,000 kms/sec)
119) Which planets do not have moons?
Mercury and Venus
120) How many days it takes for the moon to orbit the earth?
27.3 days
121) What is Corona in Solar System?
It is the outermost later of the Sun
122) What are comets made of?
Ice
123) What is the centre of Comet’s head called?
Nucleus
124) What is the bright region of head called?
Coma
125) What is escape velocity?
It is the speed needed for a gas molecule to escape from a planet
126) Which planet is about the same size as earth?
Venus
127) How many moons each planet have?
Mercury and Venus – 0, Earth-1, Mars-2, Juliper-79, Saturn-82, Uranus-27, Neptune-14
128) Which are Dwarf planets? How many moons they have?
Pluto-5, Eris-1, Haumea-2, Makemake-1, Ceres-0
129) Which is the first orbital solar observatory by NASA?
OSO-1 (1962)
130) Which is the first artificial Satellite?
Sputnik 1
131) Indian Space Research Organization (ISRO) missions?
Chandrayan-1: India’s first lunar probe
Chandrayan-2: Objective is to map the location and abundance of lunar water
Mars Orbiter Mission: It also called Mangalyaan. Orbiting Mars since 24 September 2014
ASTROSAT: The first dedicated Indian Astronomy satellite mission
RISAT-1A: radar-imaging satellite
132) Who is the first Indian to go into space? What is the name of the shuttle?
Rakesh Sharma. Soyuz T-11
133) Which was the first satellite to orbit the Sun?
Pioneer 6
134) Which was the first interplanetary surface mission to return surface data from another planet?
Venera 7
135) Which was the first to return images from the surface of another planet?
Venera 9 returned images from the planet Venus
136) What is Neptune’s largest moon?
Triton
137) Planets and missions?
Mercury: Mariner 10, Messenger
Venus: Venera 1, Mariner 2, Venera 4, Venera 7, Venera 9
Mars: Curiosity
Jupiter: Pioneer, Voyager
Saturn: Pioneer 11, Voyager 1, Voyager 2, Cassini
Uranus: Voyager 2
Neptune: Voyager 2
138) What is a black hole?
It is an area of intense gravity that nothing can escape from it
139) Does sound travel in space?
Sound does not travel in space
140) Which planet has fastest rotation?
Jupiter
141) What is full form of NASA?
National Aeronautics and Space Administration
142) What is the path traveled by a celestial body in space?
Orbit
143) How many constellations are there in the Universe?
88
144) What is Hubble Constant?
It is the unit of measurement used to describe the expansion of the universe
145) What is the coolest natural place currently known in the Universe?
The Boomerang Nebula
146) Some important satellites(number of moons) of planets/dwarf planets?
Mars(2): Phobos and Deimos
Jupiter(67): Io, Europa, Ganymede, Callisto, Amalthea, Thebe etc.
Saturn(82): Titan, Atlas, Phoebe, Tethys, Hyperion, Rhea etc.
Uranus(27): Ariel, Miranda, Titania etc.
Neptune(14): Galatea, Triton etc
Pluto(5): Charon, Nix, Styx, Kerberos, Hydra
Eris(1): Dysnomea
Makemake: (MK2)
Haumea(2): Hi’iaka, Namaka
147) What are the 4 moons of Jupiter Galileo discovered?
Io, Europa, Ganymede and Callisto
148) What is the first moon discovered by Galileo?
Io
149) Which is the only Jovian satellite other than those discovered by Galileo to have been found by direct visual observation?
Amalthea
150) What is the largest moon of Saturn?
Titan
151) What is the largest moon of Jupiter?
Ganymede
152) What is the largest moon of Uranus?
Titania
153) What is the largest moon of Neptune?
Triton
154) What is the largest moon of Mars?
Phobos
155) Is it true that planets only reflect the light received from the Sun?
True
156) What is the direction in which stars move?
East to West
157) What is responsible for change of seasons?
Earth’s tilted axis
158) What was the first spacecraft to land on the surface of an asteroid?
“NEAR” spacecraft landed on asteroid “Eros” in 2001
159) What is the largest asteroid?
Ceres
160) What is a Nebula?
It is a giant cloud of dust and gas in space
161) What is Absolute zero?
It is the lowest temperature theoretically possible. It is -273.15°C or -460°F or O° Kelvin
162) What are the phases of moon?
New moon – Moon is in conjunction with the Sun with the dark side towards the earth
Waxing Crescent – A slice of moon becomes visible after new moon. This is the waxing crescent moon
First Quarter – Moon lies perpendicular to a line between earth and sun. Moon has travelled 1/4th of the way through its orbit. Half of moon illuminated by sun
Waxing Gibbous – Moon is more than half lit. Occurs between first quarter and full moon
Full moon – Moon looks fully illuminated when seen from earth. Earth is between Sun and moon
Waning Gibbous – Moon is more than half lit. Occurs between full moon and third(last) quarter
Third(Last) Quarter – Moon lies perpendicular to a line between earth and sun. Moon has travelled 3/4th of the way through its orbit. Half of moon illuminated by sun
Waning Crescent – Occurs between third(last) quarter and new moon. A slice of the moon becomes visible before new moon