Space – MCQ – GK Questions

Answer: NavIC

NavIC (Navigation with Indian Constellation), formerly known as IRNSS, is India's autonomous regional satellite navigation system. GPS is American, GLONASS is Russian, and Galileo is European.

Answer: Saturn

Titan is the largest moon of Saturn and the second-largest natural satellite in the Solar System. It is notable for its dense atmosphere and liquid hydrocarbon lakes.

Answer: Voyager 1

Voyager 1, launched in 1977, is the farthest human-made object from Earth. It entered interstellar space in 2012 and continues to transmit data.

Answer: Jupiter

The Great Red Spot is a persistent high-pressure region in the atmosphere of Jupiter, producing an anticyclonic storm that is the largest in the Solar System. It has been observed for centuries.

Answer: 13.8 billion years

Scientific estimates place the age of the universe at approximately 13.8 billion years, based on observations of the cosmic microwave background radiation and the expansion rate of the universe.

Answer: Halo Orbit around Lagrange Point L1

Aditya-L1 was placed in a halo orbit around the Lagrange Point 1 (L1) of the Sun-Earth system, about 1.5 million km from Earth. This position allows continuous viewing of the Sun without any occultation/eclipses.

Answer: Neil Armstrong

Neil Armstrong was the first human to step onto the lunar surface on July 20, 1969, during the Apollo 11 mission, famously stating, 'That's one small step for man, one giant leap for mankind.'

Answer: Canis Major

Sirius, also known as the Dog Star, is located in the constellation Canis Major. It is the brightest star in the night sky.

Answer: China

CNSA stands for China National Space Administration. It is responsible for China's national space program, including the Tiangong space station and Chang'e lunar missions.

Answer: 75-76 years

Halley's Comet is a short-period comet visible from Earth every 75–76 years. It was last seen in 1986 and is expected to return in 2061.

Answer: To send humans to space

Gaganyaan is India's first human spaceflight programme, aiming to demonstrate human spaceflight capability by launching a crew of 3 members to an orbit of 400 km for a 3-day mission.

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.

Answer: James Webb Space Telescope

The James Webb Space Telescope (JWST) was launched in December 2021. It observes primarily in the infrared spectrum and is designed to succeed Hubble, offering deeper insights into the early universe.

Answer: Between Mars and Jupiter

The Main Asteroid Belt is a region of space between the orbits of Mars and Jupiter where most of the asteroids in our Solar System are found.

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.

Answer: To study Martian surface features and atmosphere

Launched in 2013, Mangalyaan's main goals were to explore Mars' surface features, morphology, mineralogy, and Martian atmosphere, particularly methane detection. It did not involve landing.

Answer: Saturn

Saturn recently overtook Jupiter to have the most confirmed moons (over 140), surpassing Jupiter (which has over 90). This status changes occasionally with new discoveries, but Saturn currently holds the record.

Answer: August 23, 2023

Chandrayaan-3's Vikram lander successfully soft-landed near the lunar south pole on August 23, 2023, making India the fourth country to land on the Moon and the first to land near the south pole.

Answer: Venus

Venus is the hottest planet due to its thick atmosphere composed mainly of carbon dioxide, which creates a strong greenhouse effect, trapping heat. Mercury is closer but lacks an atmosphere to retain heat.

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.