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

Multiple choice

What is the name of the international collaboration that aims to build a next-generation solar telescope?

  1. Daniel K. Inouye Solar Telescope (DKIST)

  2. European Solar Telescope (EST)

  3. Giant Segmented Mirror Telescope (GSMT)

  4. Atacama Large Millimeter Array (ALMA)
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Daniel K. Inouye Solar Telescope (DKIST) is an international collaboration to build a next-generation solar telescope with a 4-meter primary mirror. The DKIST project involves partners from the United States, Japan, and Europe.

Multiple choice

What is the term used to describe a small asteroid that has been ejected from the main belt and is now in an orbit that crosses the path of Earth?

  1. Near-Earth Asteroid

  2. Main Belt Asteroid

  3. Trojan Asteroid

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

A near-Earth asteroid is a small asteroid that has been ejected from the main belt and is now in an orbit that crosses the path of Earth.

Multiple choice

Which asteroid was the target of the NEAR Shoemaker mission, the first spacecraft to orbit and land on an asteroid?

  1. Eros

  2. Ida

  3. Gaspra

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

Eros was the target of the NEAR Shoemaker mission, the first spacecraft to orbit and land on an asteroid.

Multiple choice

Which asteroid is known for its two small moons, Dactyl and Ida?

  1. Eros

  2. Ida

  3. Gaspra

  4. Phobos
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Ida is an asteroid known for its two small moons, Dactyl and Ida.

Multiple choice

Which asteroid is known for its unusual composition, containing a significant amount of water ice?

  1. Ceres

  2. Vesta

  3. Pallas

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

Ceres is an asteroid known for its unusual composition, containing a significant amount of water ice.

Multiple choice

What is the term used to describe a small asteroid that is ejected from the main belt and enters an orbit that crosses the path of Mars?

  1. Near-Earth Asteroid

  2. Main Belt Asteroid

  3. Trojan Asteroid

  4. Mars-Crossing Asteroid
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A Mars-crossing asteroid is a small asteroid that is ejected from the main belt and enters an orbit that crosses the path of Mars.

Multiple choice

Which asteroid is known for its distinctive surface features, including a large crater and a series of parallel grooves?

  1. Eros

  2. Ida

  3. Gaspra

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

Phobos is an asteroid known for its distinctive surface features, including a large crater and a series of parallel grooves.

Multiple choice

What is the name of the largest optical telescope in India?

  1. Himalayan Chandra Telescope (HCT)

  2. Giant Metrewave Radio Telescope (GMRT)

  3. Vainu Bappu Observatory (VBO)

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

The Himalayan Chandra Telescope (HCT) located at Hanle, Ladakh, is the largest optical telescope in India with a mirror diameter of 2 meters.

Multiple choice

Which Indian observatory is known for its contributions to the study of gamma-ray bursts?

  1. Indian Astronomical Observatory (IAO)

  2. Ultra-Violet Imaging Telescope (UVIT)

  3. Large Area Telescope (LAT)

  4. Giant Metrewave Radio Telescope (GMRT)
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The Ultra-Violet Imaging Telescope (UVIT) onboard the AstroSat mission has made significant contributions to the study of gamma-ray bursts, providing valuable insights into their properties and origins.

Multiple choice

Which Indian observatory is known for its contributions to the study of gravitational waves?

  1. Laser Interferometer Gravitational-Wave Observatory (LIGO)

  2. Virgo Interferometer

  3. National Centre for Radio Astrophysics (NCRA)

  4. Inter-University Centre for Astronomy and Astrophysics (IUCAA)
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Laser Interferometer Gravitational-Wave Observatory (LIGO) is a joint project between the United States and India, with the Indian contribution coming from the Inter-University Centre for Astronomy and Astrophysics (IUCAA). LIGO has made groundbreaking discoveries of gravitational waves, providing insights into the properties of black holes and other compact objects.

Multiple choice

Which popular space-themed board game simulates the excitement of interplanetary travel and trading?

  1. Monopoly

  2. Risk

  3. Space Traders

  4. Scrabble
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Space Traders is a classic board game where players take on the roles of interstellar merchants, engaging in trading, exploration, and negotiation across the galaxy.

Multiple choice

Which of the following is NOT a component of a spacecraft's avionics system?

  1. Inertial Measurement Unit (IMU)

  2. Reaction Control System (RCS)

  3. Solar Array

  4. Global Positioning System (GPS)
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Solar arrays are used to generate electrical power for the spacecraft, but they are not considered part of the avionics system.

Multiple choice

What is the name of the spacecraft mission that successfully landed on a cometary nucleus?

  1. Rosetta

  2. Voyager 1

  3. New Horizons

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

The Rosetta mission, a joint project between the European Space Agency (ESA) and NASA, successfully landed a probe named Philae on the nucleus of comet 67P/Churyumov-Gerasimenko in 2014.

Multiple choice

What is the name of the instrument onboard the Rosetta spacecraft that analyzed the composition of cometary dust particles?

  1. COSIMA

  2. VIRTIS

  3. OSIRIS

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

COSIMA (Cometary Secondary Ion Mass Analyzer) was an instrument onboard the Rosetta spacecraft that analyzed the composition of cometary dust particles by measuring their mass and chemical composition.

Multiple choice

Which space mission was specifically designed to search for evidence of lithopanspermia?

  1. Viking

  2. Voyager

  3. Cassini-Huygens

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

The Viking missions to Mars in the 1970s were specifically designed to search for evidence of life on the planet, including potential signs of lithopanspermia.