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

Which asteroid has a surface covered in large boulders?

  1. Itokawa

  2. Eros

  3. Gaspra

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

Itokawa's surface is covered in large boulders, ranging in size from a few meters to tens of meters.

Multiple choice

What is the name of the satellite mission launched by the European Space Agency to measure the positions and motions of stars with high precision?

  1. Gaia

  2. Hubble Space Telescope

  3. Kepler Space Telescope

  4. Chandra X-ray Observatory
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Gaia is a European Space Agency mission designed to measure the positions, distances, and motions of billions of stars in our galaxy with high precision.

Multiple choice

What is the Hubble Space Telescope?

  1. A space telescope that orbits Earth

  2. A ground-based telescope located in Chile

  3. A radio telescope located in Australia

  4. A satellite that studies the Sun
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Hubble Space Telescope is a space telescope that orbits Earth. It was launched in 1990 and has revolutionized our understanding of the universe.

Multiple choice

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

  1. Gold

  2. Silver

  3. Glass

  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. Beryllium is a lightweight and strong metal that is ideal for use in space telescopes.

Multiple choice

What did Galileo observe on the surface of the moon using his telescope?

  1. Mountains and valleys

  2. Craters

  3. Seas and oceans

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

Galileo observed mountains and valleys on the surface of the moon using his telescope.

Multiple choice

What is the name of the first space telescope launched by NASA?

  1. Hubble Space Telescope

  2. Chandra X-ray Observatory

  3. Spitzer Space Telescope

  4. James Webb Space Telescope
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Hubble Space Telescope was the first space telescope launched by NASA.

Multiple choice

What is the name of the successor to the Hubble Space Telescope?

  1. Chandra X-ray Observatory

  2. Spitzer Space Telescope

  3. James Webb Space Telescope

  4. Gran Telescopio Canarias
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The James Webb Space Telescope is the successor to the Hubble Space Telescope.

Multiple choice

What is the expected lifespan of the James Webb Space Telescope?

  1. 5 years

  2. 10 years

  3. 15 years

  4. 20 years
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The expected lifespan of the James Webb Space Telescope is 10 years.

Multiple choice

Which of the following is not a space law treaty?

  1. The Outer Space Treaty

  2. The Liability Convention

  3. The Rescue Agreement

  4. The Moon Agreement
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The Moon Agreement is not a space law treaty because it has not entered into force.

Multiple choice

What is the primary source of orbital debris?

  1. Abandoned satellites

  2. Rocket bodies

  3. Collision fragments

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

Orbital debris originates from various sources, including abandoned satellites, rocket bodies, collision fragments, and other space debris. These objects can remain in orbit for decades or even centuries, posing a threat to active satellites.

Multiple choice

Which of the following is NOT a method used to mitigate orbital debris?

  1. Active debris removal

  2. Passive debris removal

  3. Collision avoidance maneuvers

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

Space debris shields are not a method used to mitigate orbital debris. Active debris removal, passive debris removal, and collision avoidance maneuvers are commonly employed techniques to reduce the amount of orbital debris.

Multiple choice

What is the name of the first spacecraft to successfully land on the moon?

  1. Apollo 11

  2. Voyager 1

  3. Sputnik 1

  4. Hubble Space Telescope
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Apollo 11 was the first manned mission to land on the moon, with Neil Armstrong and Buzz Aldrin becoming the first humans to walk on the lunar surface.

Multiple choice

What is the name of the first reusable spacecraft developed by SpaceX?

  1. Falcon 9

  2. Dragon

  3. Starship

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

The Falcon 9 is a reusable rocket developed by SpaceX, capable of delivering payloads into Earth's orbit and beyond.

Multiple choice

What is the name of the space agency responsible for the United States' space program?

  1. NASA

  2. ESA

  3. JAXA

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

NASA (National Aeronautics and Space Administration) is the U.S. government agency responsible for the country's space program and aeronautics research.

Multiple choice

What is the name of the spacecraft that successfully landed on Mars in 2012?

  1. Curiosity

  2. Opportunity

  3. Spirit

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

Curiosity is a robotic rover that landed on Mars in 2012, exploring the planet's surface and searching for signs of past or present life.