Space – MCQ – GK Questions

The ISS is a modular space station in low Earth orbit, maintained by a collaboration of five space agencies: NASA (USA), Roscosmos (Russia), JAXA (Japan), ESA (Europe), and CSA (Canada).

Sagittarius A* (Sgr A*) is the supermassive black hole at the Galactic Center of the Milky Way. The first image of Sgr A* was released by the Event Horizon Telescope in 2022.

Mercury is the smallest and innermost planet in the Solar System, orbiting closest to the Sun.

NASA launched the Kepler Space Telescope in 2009. Its primary mission was to discover Earth-size planets orbiting other stars, particularly in the habitable zone.

The Moon Mineralogy Mapper (M3), an instrument provided by NASA on board Chandrayaan-1, confirmed the presence of water molecules on the lunar surface in 2009.

Jupiter has the shortest day of all the planets, rotating on its axis once every 9 hours and 55 minutes. Its rapid rotation causes it to bulge at the equator.

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.

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.

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

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.

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.

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.

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.'

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

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.

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.

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.

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.

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.

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.