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

Multiple choice

What is the most famous comet?

  1. Halley's Comet

  2. Hale-Bopp

  3. Shoemaker-Levy 9

  4. Hyakutake
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Halley's Comet is the most famous comet because it is visible from Earth every 76 years. It was first observed in 240 BC and has been seen many times since then.

Multiple choice

What is the largest comet ever observed?

  1. Hale-Bopp

  2. Hyakutake

  3. Shoemaker-Levy 9

  4. Bernardinelli-Bernstein
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The largest comet ever observed is Bernardinelli-Bernstein, which was discovered in 2021. It has a nucleus that is about 120 kilometers in diameter, which is larger than the state of Rhode Island.

Multiple choice

What is the name of the spacecraft that landed on a comet?

  1. Rosetta

  2. New Horizons

  3. Voyager 1

  4. Cassini-Huygens
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Rosetta spacecraft was the first spacecraft to land on a comet. It landed on Comet 67P/Churyumov-Gerasimenko in 2014 and studied the comet for over two years.

Multiple choice

What is the name of the comet that collided with Jupiter in 1994?

  1. Shoemaker-Levy 9

  2. Hale-Bopp

  3. Hyakutake

  4. Bernardinelli-Bernstein
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Shoemaker-Levy 9 was a comet that collided with Jupiter in 1994. It was the first time that astronomers had ever observed a comet colliding with a planet.

Multiple choice

What is the name of the comet that is expected to pass close to Earth in 2023?

  1. Comet NEOWISE

  2. Comet ATLAS

  3. Comet SWAN

  4. Comet Leonard
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Comet Leonard is expected to pass close to Earth in 2023. It is expected to be visible to the naked eye for several months.

Multiple choice

What is the name of the comet that was discovered in 2020 and is expected to pass close to Earth in 2031?

  1. Comet NEOWISE

  2. Comet ATLAS

  3. Comet SWAN

  4. Comet Borisov
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Comet Borisov was discovered in 2020 and is expected to pass close to Earth in 2031. It is the first known interstellar comet, meaning that it originated from outside of the Solar System.

Multiple choice

What is the name of the comet that was discovered in 2021 and is expected to pass close to Earth in 2029?

  1. Comet NEOWISE

  2. Comet ATLAS

  3. Comet SWAN

  4. Comet PanSTARRS
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Comet PanSTARRS was discovered in 2021 and is expected to pass close to Earth in 2029. It is expected to be visible to the naked eye for several months.

Multiple choice

What is the name of the comet that was discovered in 2022 and is expected to pass close to Earth in 2030?

  1. Comet NEOWISE

  2. Comet ATLAS

  3. Comet SWAN

  4. Comet K2
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Comet K2 was discovered in 2022 and is expected to pass close to Earth in 2030. It is expected to be visible to the naked eye for several months.

Multiple choice

What is the name of the comet that was discovered in 2023 and is expected to pass close to Earth in 2032?

  1. Comet NEOWISE

  2. Comet ATLAS

  3. Comet SWAN

  4. Comet C/2023 E3
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Comet C/2023 E3 was discovered in 2023 and is expected to pass close to Earth in 2032. It is expected to be visible to the naked eye for several months.

Multiple choice

What is the name of the comet that was discovered in 2024 and is expected to pass close to Earth in 2033?

  1. Comet NEOWISE

  2. Comet ATLAS

  3. Comet SWAN

  4. Comet C/2024 F3
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Comet C/2024 F3 was discovered in 2024 and is expected to pass close to Earth in 2033. It is expected to be visible to the naked eye for several months.

Multiple choice

What is the name of the comet that was discovered in 2025 and is expected to pass close to Earth in 2034?

  1. Comet NEOWISE

  2. Comet ATLAS

  3. Comet SWAN

  4. Comet C/2025 G2
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Comet C/2025 G2 was discovered in 2025 and is expected to pass close to Earth in 2034. It is expected to be visible to the naked eye for several months.

Multiple choice

What is the term used to describe the search for extraterrestrial life?

  1. Astrobiology

  2. Exobiology

  3. Xenobiology

  4. Astrophysics
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Astrobiology is the scientific study of the origin, evolution, distribution, and future of life in the universe.

Multiple choice

Which space telescope is specifically designed to search for exoplanets?

  1. Hubble Space Telescope

  2. James Webb Space Telescope

  3. Kepler Space Telescope

  4. Spitzer Space Telescope
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The Kepler Space Telescope is specifically designed to search for exoplanets by detecting the slight dimming of a star's light as a planet passes in front of it.

Multiple choice

What is the term used to describe the detection of electromagnetic signals from extraterrestrial civilizations?

  1. SETI

  2. ETI

  3. METI

  4. CETI
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

SETI stands for Search for Extraterrestrial Intelligence and refers to the detection of electromagnetic signals from extraterrestrial civilizations.

Multiple choice

What is the term used to describe the hypothetical first contact between humans and extraterrestrial beings?

  1. First Contact

  2. Alien Encounter

  3. Extraterrestrial Arrival

  4. Cosmic Meeting
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

First Contact is the term used to describe the hypothetical first contact between humans and extraterrestrial beings.