General Awareness ยท Physics
Space Exploration and Astronomy
3,952 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
What was the primary objective of the first Hubble Space Telescope Servicing Mission (SM1)?
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To replace the solar arrays
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To install new scientific instruments
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To repair the telescope's optics
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To upgrade the telescope's computer systems
A
Correct answer
Explanation
The primary objective of SM1 was to replace the telescope's solar arrays, which had degraded over time and were no longer providing enough power to operate the telescope.
How many servicing missions were conducted on the Hubble Space Telescope?
B
Correct answer
Explanation
There were a total of 5 Hubble Space Telescope Servicing Missions (SM1-SM5) conducted between 1993 and 2009.
Which servicing mission installed the Wide Field and Planetary Camera 2 (WFPC2) instrument?
A
Correct answer
Explanation
The WFPC2 instrument was installed during SM1 in 1993. It was a significant upgrade to the telescope's capabilities, allowing for wider field of view and improved sensitivity.
Which servicing mission repaired the telescope's primary mirror?
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SM3
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SM4
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SM5
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None of the above
A
Correct answer
Explanation
SM3, conducted in 1999, included the repair of the telescope's primary mirror, which had a manufacturing defect that caused spherical aberration.
Which servicing mission installed the Cosmic Origins Spectrograph (COS) instrument?
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SM3
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SM4
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SM5
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None of the above
B
Correct answer
Explanation
The COS instrument was installed during SM4 in 2009. It is a spectrograph designed to study the chemical composition and physical properties of stars, galaxies, and other astronomical objects.
Which servicing mission conducted the final repairs and upgrades on the Hubble Space Telescope?
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SM4
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SM5
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SM6
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None of the above
B
Correct answer
Explanation
SM5, conducted in 2009, was the final servicing mission for the Hubble Space Telescope. It included repairs to the telescope's instruments and systems, as well as the installation of new batteries and gyroscopes.
Which servicing mission installed the Near Infrared Camera and Multi-Object Spectrometer (NICMOS) instrument?
B
Correct answer
Explanation
The NICMOS instrument was installed during SM2 in 1997. It was designed to observe objects in the near-infrared spectrum, allowing astronomers to study cool objects like stars and planets.
Which servicing mission repaired the telescope's primary mirror?
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SM3
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SM4
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SM5
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None of the above
A
Correct answer
Explanation
SM3, conducted in 1999, included the repair of the telescope's primary mirror, which had a manufacturing defect that caused spherical aberration.
Which servicing mission installed the Cosmic Origins Spectrograph (COS) instrument?
-
SM3
-
SM4
-
SM5
-
None of the above
B
Correct answer
Explanation
The COS instrument was installed during SM4 in 2009. It is a spectrograph designed to study the chemical composition and physical properties of stars, galaxies, and other astronomical objects.
What was the name of the U.S. space program that competed with the Soviet Union's space program during the Cold War?
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Project Mercury
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Project Gemini
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Project Apollo
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All of the above
D
Correct answer
Explanation
Project Mercury, Project Gemini, and Project Apollo were all part of the U.S. space program that competed with the Soviet Union's space program during the Cold War.
Which space agency is responsible for the Artemis Program, which aims to return humans to the Moon by 2024?
A
Correct answer
Explanation
NASA is the lead agency for the Artemis Program, with international partners including ESA, JAXA, and Roscosmos.
What is the name of the first crewed mission to Mars, planned by SpaceX for the mid-2020s?
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Starship
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Dragon 2
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Falcon 9
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Crew Dragon
A
Correct answer
Explanation
Starship is SpaceX's next-generation spacecraft, designed to carry humans and cargo to Mars and other destinations in the solar system.
Which country became the first to successfully land a spacecraft on the far side of the Moon?
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China
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United States
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Russia
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India
A
Correct answer
Explanation
China's Chang'e 4 mission successfully landed on the far side of the Moon in 2019, making it the first spacecraft to do so.
What is the name of the first space telescope designed to study exoplanets, or planets outside our solar system?
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Hubble Space Telescope
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James Webb Space Telescope
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Kepler Space Telescope
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Spitzer Space Telescope
C
Correct answer
Explanation
The Kepler Space Telescope was launched in 2009 and has discovered thousands of exoplanets, including many that are potentially habitable.
Which space agency is responsible for the ExoMars program, a joint mission with the European Space Agency to explore Mars?
B
Correct answer
Explanation
ESA is the lead agency for the ExoMars program, with NASA providing significant support.