Which planet is known as the "Red Planet"?
Mars is known as the "Red Planet" because of its reddish appearance due to iron oxide on its surface.
Space and Universe MCQ
Space and Universe is the branch of science that deals with celestial bodies, cosmic phenomena, and the vast expanse beyond Earth’s atmosphere. It encompasses the study of stars, planets, galaxies, black holes, and the origin and evolution of the universe.
This MCQ quiz focuses on astronomy, space missions, space agencies like ISRO and NASA, important astronomical discoveries, satellites, and concepts such as the Big Bang theory, gravitational forces, and cosmic events. It helps enhance knowledge related to space science and astrophysics.
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What is the largest planet in our solar system?
Jupiter is the largest planet in our solar system with a massive volume and surface area.
What is the closest star to Earth?
The Sun is the closest star to Earth, located at an average distance of about 93 million miles.
Who discovered the law of gravitation?
Isaac Newton formulated the law of gravitation, explaining the attractive force between masses.
What is the name of our galaxy?
Our galaxy is called the Milky Way, which is a barred spiral galaxy.
What is the speed of light in a vacuum?
The speed of light in a vacuum is approximately 299,792 kilometers per second.
What is the main component of the Sun?
The Sun is primarily made up of hydrogen, which undergoes nuclear fusion to produce energy.
Which planet has the highest number of moons?
Saturn has the highest number of moons in the solar system, with over 80 confirmed moons.
Which celestial body was demoted to a "dwarf planet" in 2006?
Pluto was reclassified as a "dwarf planet" by the International Astronomical Union in 2006.
What is the smallest planet in the solar system?
Mercury is the smallest planet in the solar system, both in size and mass.
What is the age of the universe estimated to be?
The age of the universe is estimated to be around 13.8 billion years according to the Big Bang Theory.
What is the most abundant gas in the Earth's atmosphere?
Nitrogen makes up about 78% of the Earth's atmosphere, making it the most abundant gas.
Which planet has the most extreme temperature variations?
Mercury experiences the most extreme temperature variations, ranging from -173°C to 427°C.
Which planet is famous for its rings?
Saturn is well-known for its stunning rings made of ice and rock particles.