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The first human to travel into space was _______.
- Neil Armstrong
- Yuri Gagarin
- Buzz Aldrin
- Rakesh Sharma
Answer: Yuri Gagarin
Soviet cosmonaut Yuri Gagarin became the first human to journey into outer space on April 12, 1961, aboard the Vostok 1 spacecraft.
Which is the largest planet in our solar system?
- Earth
- Saturn
- Jupiter
- Neptune
Answer: Jupiter
Jupiter is the largest planet in the solar system, with a mass more than two and a half times that of all the other planets combined.
NASA stands for National Aeronautics and Space Administration.
- True
- False
Answer: True
NASA is the United States government agency responsible for the civilian space program, as well as aeronautics and space research.
Which galaxy does our Solar System belong to?
- Andromeda Galaxy
- Milky Way Galaxy
- Triangulum Galaxy
- Whirlpool Galaxy
Answer: Milky Way Galaxy
Our Solar System is located in the Milky Way Galaxy, a barred spiral galaxy. The Andromeda Galaxy is the nearest major galaxy to the Milky Way.
The Sun is classified as a Yellow Dwarf star (G-type main-sequence star).
- True
- False
Answer: True
The Sun is a G-type main-sequence star, commonly referred to as a Yellow Dwarf. It is in the middle of its life cycle, fusing hydrogen into helium.
Pluto was reclassified as a dwarf planet by the International Astronomical Union (IAU) in 2006.
- True
- False
Answer: True
In August 2006, the IAU redefined the criteria for a planet, and Pluto did not meet the criterion of 'clearing its neighborhood' of other objects, thus becoming a dwarf planet.
Which planet in our solar system is known as the 'Red Planet'?
- Venus
- Mars
- Jupiter
- Saturn
Answer: Mars
Mars is called the Red Planet due to the presence of iron oxide (rust) on its surface, which gives it a reddish appearance. This is a fundamental fact often asked in SSC and Railway exams.