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

Which instrument on the Hubble Space Telescope is used to study the solar system?

  1. Wide Field and Planetary Camera 2 (WFPC2)

  2. Space Telescope Imaging Spectrograph (STIS)

  3. Near Infrared Camera and Multi-Object Spectrometer (NICMOS)

  4. Advanced Camera for Surveys (ACS)
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Wide Field and Planetary Camera 2 (WFPC2) can also be used to study the solar system by observing the light that is emitted by planets, moons, and other objects in the solar system.

Multiple choice

What are some of the future missions planned to study exoplanets?

  1. The James Webb Space Telescope

  2. The Nancy Grace Roman Space Telescope

  3. The LUVOIR mission

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

There are several future missions planned to study exoplanets, including the James Webb Space Telescope, the Nancy Grace Roman Space Telescope, and the LUVOIR mission. These missions will use advanced technologies to study exoplanets in more detail and search for signs of life beyond Earth.

Multiple choice

Which of the following short stories by Stanislaw Lem explores the concept of a sentient ocean?

  1. Solaris

  2. The Invincible

  3. Return from the Stars

  4. His Master's Voice
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

In \"Solaris\", Lem introduces Solaris, a sentient ocean that communicates with humans and raises questions about the nature of consciousness and communication.

Multiple choice

Which of the following short stories by Arthur C. Clarke explores the concept of a space elevator?

  1. The Nine Billion Names of God

  2. 2001: A Space Odyssey

  3. Childhood's End

  4. Rendezvous with Rama
Reveal answer Fill a bubble to check yourself
Correct answer
Explanation

In \"The Fountains of Paradise\", Clarke introduces the concept of a space elevator, a structure that allows humans to travel into space using a cable anchored to the Earth's surface.

Multiple choice

What was the name of the first submarine to reach the North Pole?

  1. Nautilus

  2. Triton

  3. K-3

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

The Nautilus, a US Navy submarine, was the first submarine to reach the North Pole in 1958.

Multiple choice

What was the name of the first research station established in Antarctica?

  1. Amundsen-Scott South Pole Station

  2. McMurdo Station

  3. Palmer Station

  4. Rothera Research Station
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Amundsen-Scott South Pole Station, established in 1956, was the first research station in Antarctica.

Multiple choice

Which of the following is NOT a type of spacecraft attitude control system?

  1. Passive attitude control

  2. Active attitude control

  3. Semi-active attitude control

  4. Hybrid attitude control
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

There are three main types of spacecraft attitude control systems: passive, active, and hybrid. Semi-active attitude control is not a recognized category.

Multiple choice

Which type of attitude control system uses thrusters to generate control torques?

  1. Passive attitude control

  2. Active attitude control

  3. Semi-active attitude control

  4. Hybrid attitude control
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Active attitude control systems use thrusters or other actuators to generate control torques and actively adjust the spacecraft's orientation.

Multiple choice

Which of the following is NOT a type of spacecraft attitude control mode?

  1. Safe mode

  2. Sun-pointing mode

  3. Earth-pointing mode

  4. Momentum-biased mode
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Safe mode, Sun-pointing mode, and Earth-pointing mode are common spacecraft attitude control modes. Momentum-biased mode is not a recognized control mode.

Multiple choice

Which branch of the United States military is responsible for conducting space operations?

  1. Army

  2. Navy

  3. Air Force

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

The United States Space Force is responsible for conducting space operations, which involve the use of satellites and other space-based assets to support military missions.

Multiple choice

When was the Hubble Space Telescope launched into orbit?

  1. 1989

  2. 1990

  3. 1991

  4. 1992
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The Hubble Space Telescope was launched into orbit on April 24, 1990, aboard the Space Shuttle Discovery.

Multiple choice

Which space agency is responsible for the operation and maintenance of the Hubble Space Telescope?

  1. NASA

  2. ESA

  3. JAXA

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

The Hubble Space Telescope is a joint project of NASA and the European Space Agency (ESA), with NASA being primarily responsible for its operation and maintenance.

Multiple choice

What is the primary mirror of the Hubble Space Telescope made of?

  1. Glass

  2. Silver

  3. Gold

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

The primary mirror of the Hubble Space Telescope is made of beryllium, a lightweight and strong metal.

Multiple choice

What is the Hubble Space Telescope's expected lifetime?

  1. 10 years

  2. 15 years

  3. 20 years

  4. 25 years
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The Hubble Space Telescope was originally designed for a 15-year mission, but it has been extended several times and is now expected to operate for at least 25 years.

Multiple choice

What is the main focus of the European Space Agency's (ESA) policy on space mining?

  1. Promoting international cooperation in space mining

  2. Developing technologies for sustainable space mining

  3. Establishing a regulatory framework for space mining

  4. Encouraging private investment in space mining
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The main focus of the European Space Agency's (ESA) policy on space mining is promoting international cooperation in space mining.