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

X-ray astronomy is a relatively new field of study. When was the first X-ray telescope launched into space?

  1. 1962

  2. 1970

  3. 1978

  4. 1983
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The first X-ray telescope, Uhuru, was launched into space in 1970.

Multiple choice

Which catalog lists the moons of Haumea?

  1. The Haumean Moons

  2. The Hi'laka Moons

  3. The Haumea Moons

  4. The Namaka Moons
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Haumean Moons is a catalog that lists the moons of Haumea, including Hi'laka and Namaka.

Multiple choice

Which catalog lists the moons of Makemake?

  1. The Makemakean Moons

  2. The S/2015 (136472) 1 Moons

  3. The Makemake Moons

  4. The MK 2 Moons
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Makemakean Moons is a catalog that lists the moons of Makemake, including S/2015 (136472) 1 and MK 2.

Multiple choice

Which catalog lists the moons of Quaoar?

  1. The Quaoarian Moons

  2. The Weywot Moons

  3. The Quaoar Moons

  4. The Makemake Moons
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Quaoarian Moons is a catalog that lists the moons of Quaoar, including Weywot.

Multiple choice

What is the term used to describe the path of a spacecraft around a central body?

  1. Orbit

  2. Trajectory

  3. Flight path

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

An orbit is the curved path followed by a spacecraft around a central body due to the gravitational force between them.

Multiple choice

Which of the following is NOT a type of spacecraft propulsion system?

  1. Chemical propulsion

  2. Electric propulsion

  3. Nuclear propulsion

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

Solar sailing is not a propulsion system in the traditional sense, as it relies on the pressure of sunlight to propel the spacecraft.

Multiple choice

What is the term used to describe the process of two spacecraft coming close to each other in space?

  1. Orbital rendezvous

  2. Orbital docking

  3. Orbital insertion

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

Orbital rendezvous refers to the process of two spacecraft coming close to each other in space, typically as a precursor to docking or other operations.

Multiple choice

Which of the following is NOT a type of spacecraft docking mechanism?

  1. Androgynous docking system

  2. Probe and drogue docking system

  3. Magnetic docking system

  4. Mechanical docking system
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Magnetic docking systems are not commonly used for spacecraft docking due to their limited strength and reliability.

Multiple choice

Which of the following is NOT a type of spacecraft trajectory correction maneuver?

  1. Mid-course correction

  2. Plane change maneuver

  3. Hohmann transfer

  4. Bi-elliptic transfer
Reveal answer Fill a bubble to check yourself
Correct answer
Explanation

Hohmann transfer is a type of orbital transfer maneuver, not a trajectory correction maneuver.

Multiple choice

Which country was the first to launch a satellite into space?

  1. Soviet Union

  2. United States

  3. China

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

The Soviet Union was the first country to launch a satellite into space. It launched Sputnik 1 on October 4, 1957, which marked the beginning of the Space Age.

Multiple choice

Which space agency has a dedicated program focused on studying the impacts of climate change on Earth's systems?

  1. NASA

  2. ESA

  3. JAXA

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

NASA's Earth Science Division has a dedicated program called the Climate Change and Sea Level Rise Program, which conducts research and develops technologies to monitor and understand climate change and its impacts.

Multiple choice

Which space agency has developed a mission to study the carbon cycle and its role in climate change?

  1. NASA

  2. ESA

  3. JAXA

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

NASA's Orbiting Carbon Observatory-2 (OCO-2) mission is a satellite mission designed to study the carbon cycle and its role in climate change by measuring carbon dioxide concentrations in the atmosphere.

Multiple choice

Which space agency has a program dedicated to developing and demonstrating technologies for climate change adaptation?

  1. NASA

  2. ESA

  3. JAXA

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

ESA's Climate Change Initiative (CCI) is a program dedicated to developing and demonstrating technologies for climate change adaptation, such as satellite-based monitoring systems and decision support tools.

Multiple choice

Which space agency has a dedicated program focused on studying the impacts of climate change on Earth's oceans?

  1. NASA

  2. ESA

  3. JAXA

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

NASA's Ocean Melting Greenland (OMG) mission is a satellite mission designed to study the impacts of climate change on Greenland's ice sheet and its contribution to sea level rise.

Multiple choice

Which space agency has a dedicated program focused on studying the impacts of climate change on Earth's forests?

  1. NASA

  2. ESA

  3. JAXA

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

NASA's Global Ecosystem Dynamics Investigation (GEDI) mission is a satellite mission designed to study the structure and dynamics of Earth's forests and their role in the global carbon cycle.