General Awareness ยท Physics
Space Exploration and Astronomy
4,144 Questions
Review significant milestones in space exploration, including artificial satellites, reusable space shuttles, and historic lunar landings. This topic also covers astronomical phenomena and telescopic observations. Such scientific general knowledge is commonly tested in SSC, railways, and banking examinations.
Space shuttle missionsArtificial satellitesLunar and planetary landingsSpace telescopes and observatories
Space Exploration and Astronomy Questions
Which spacecraft was the first to successfully land on an asteroid?
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Hayabusa
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NEAR Shoemaker
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Dawn
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OSIRIS-REx
A
Correct answer
Explanation
Hayabusa was the first spacecraft to successfully land on an asteroid, Itokawa, and return samples of its material to Earth.
Which spacecraft was the first to successfully land on a comet?
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Rosetta
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Giotto
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Vega 1
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Vega 2
A
Correct answer
Explanation
Rosetta was the first spacecraft to successfully land on a comet, 67P/Churyumov-Gerasimenko, and study its composition and activity.
Which spacecraft was the first to successfully land on the sun?
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Parker Solar Probe
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Helios 1
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Helios 2
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Ulysses
Correct answer
Explanation
No spacecraft has yet successfully landed on the sun.
Which spacecraft was the first to successfully land on Mercury?
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MESSENGER
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Mariner 10
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BepiColombo
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New Horizons
A
Correct answer
Explanation
MESSENGER was the first spacecraft to successfully orbit and study Mercury, providing valuable data and images of the planet's surface and composition.
Which spacecraft was the first to successfully land on a dwarf planet other than Pluto?
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Dawn
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New Horizons
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Juno
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Cassini-Huygens
A
Correct answer
Explanation
Dawn was the first spacecraft to successfully orbit and study two dwarf planets, Ceres and Vesta, providing valuable data and images of their surfaces and compositions.
Which spacecraft was the first to successfully land on a moon of Jupiter?
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Galileo
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Cassini-Huygens
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New Horizons
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Juno
A
Correct answer
Explanation
Galileo was the first spacecraft to successfully orbit Jupiter and study its moons, including Europa, Ganymede, and Callisto, providing valuable data and images of their surfaces and compositions.
When was the Hubble Space Telescope launched into orbit?
B
Correct answer
Explanation
The Hubble Space Telescope was successfully launched into orbit on April 24, 1990, aboard the Space Shuttle Discovery.
Which space agency is responsible for the Hubble Space Telescope?
A
Correct answer
Explanation
The Hubble Space Telescope is a joint project between NASA and the European Space Agency (ESA), with NASA being the primary agency responsible for its operation and maintenance.
How many servicing missions have been conducted on the Hubble Space Telescope?
B
Correct answer
Explanation
There have been five successful servicing missions conducted on the Hubble Space Telescope, allowing astronauts to repair and upgrade its instruments and systems.
What is the name of the Hubble Space Telescope's successor?
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James Webb Space Telescope
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Nancy Grace Roman Space Telescope
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Wide Field Infrared Survey Telescope
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Vera C. Rubin Observatory
A
Correct answer
Explanation
The James Webb Space Telescope is the successor to the Hubble Space Telescope, designed to study the universe in infrared light and explore the earliest galaxies and stars.
What is the name of the Hubble Space Telescope's primary camera?
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Wide Field and Planetary Camera 2 (WFPC2)
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Advanced Camera for Surveys (ACS)
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Wide Field Camera 3 (WFC3)
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Cosmic Origins Spectrograph (COS)
A
Correct answer
Explanation
The Wide Field and Planetary Camera 2 (WFPC2) was the Hubble Space Telescope's primary camera from 1993 to 2009, capturing iconic images like the Hubble Deep Field.
What is the Hubble Space Telescope's expected operational lifespan?
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10 years
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15 years
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20 years
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25 years
D
Correct answer
Explanation
The Hubble Space Telescope was initially designed for a 15-year lifespan, but thanks to successful servicing missions, it has exceeded this and is expected to continue operating for at least 25 years.
Which comet is known for its exceptionally long tail?
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Hale-Bopp
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Hyakutake
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Shoemaker-Levy 9
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Kohoutek
A
Correct answer
Explanation
Hale-Bopp is known for its exceptionally long tail, which was visible in the night sky for 18 months.
Which of the following is NOT a type of spacecraft attitude control system?
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Three-axis stabilization
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Spin stabilization
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Gravity gradient stabilization
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Reaction wheel control
C
Correct answer
Explanation
Gravity gradient stabilization is not a type of spacecraft attitude control system. It is a passive attitude control technique that uses the gravity gradient between the spacecraft and the Earth to maintain the spacecraft's orientation.
What is the name of the NASA mission that was launched in 2020 to search for signs of life on Mars?
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Perseverance
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Curiosity
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Opportunity
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Spirit
A
Correct answer
Explanation
The Perseverance mission was launched in 2020 with the goal of searching for signs of ancient life on Mars and collecting samples for return to Earth.