Let’s continue the Space GK series.
Universe & Cosmology
Q301. What is the age of the Universe (approx.)?
A301. 13.8 billion years.
Q302. What theory explains the origin of the Universe?
A302. The Big Bang Theory.
Q303. What is the estimated diameter of the Milky Way galaxy?
A303. About 100,000 light-years.
Q304. What is a black hole?
A304. A region in space with gravity so strong that nothing, not even light, can escape.
Q305. What is a supernova?
A305. A powerful explosion that occurs when a massive star dies.
Q306. What is a neutron star?
A306. The dense core left after a supernova explosion.
Q307. What is a pulsar?
A307. A rotating neutron star that emits beams of radiation.
Q308. What is a quasar?
A308. An extremely bright and distant active galactic nucleus.
Q309. What is dark matter?
A309. Invisible matter that does not emit light but has gravitational effects.
Q310. What is dark energy?
A310. A mysterious force causing the accelerated expansion of the Universe.
Space Discoveries
Q311. Who discovered the laws of planetary motion?
A311. Johannes Kepler.
Q312. Who discovered gravity?
A312. Sir Isaac Newton.
Q313. Who proposed the theory of relativity?
A313. Albert Einstein.
Q314. Who discovered the expansion of the Universe?
A314. Edwin Hubble.
Q315. Who discovered Uranus?
A315. William Herschel (1781).
Q316. Who discovered Neptune?
A316. Johann Galle (1846).
Q317. Who discovered Pluto?
A317. Clyde Tombaugh (1930).
Q318. Who discovered Saturn’s rings?
A318. Galileo Galilei (1610).
Q319. Who discovered Jupiter’s four largest moons?
A319. Galileo Galilei (1610).
Q320. Who discovered the cosmic microwave background radiation?
A320. Arno Penzias and Robert Wilson (1965).
Space Exploration Milestones
Q321. Who was the first animal in space?
A321. Laika, a dog (USSR, 1957).
Q322. Which was the first human spaceflight?
A322. Vostok 1 (1961).
Q323. Who was the first man to orbit the Earth?
A323. Yuri Gagarin.
Q324. Who was the first American in space?
A324. Alan Shepard.
Q325. Who was the first woman in space?
A325. Valentina Tereshkova (1963).
Q326. Who was the first man to walk in space?
A326. Alexei Leonov (1965).
Q327. Who was the first American to orbit Earth?
A327. John Glenn.
Q328. Who was the first man on the Moon?
A328. Neil Armstrong (1969).
Q329. Who was the second man on the Moon?
A329. Buzz Aldrin.
Q330. Who was the last man to walk on the Moon?
A330. Eugene Cernan (1972).
Indian Space Facts (Advanced)
Q331. What does ISRO stand for?
A331. Indian Space Research Organisation.
Q332. Where is ISRO’s headquarters located?
A332. Bengaluru, Karnataka.
Q333. Where is ISRO’s launch site located?
A333. Sriharikota, Andhra Pradesh.
Q334. What is the full form of PSLV?
A334. Polar Satellite Launch Vehicle.
Q335. What is the full form of GSLV?
A335. Geosynchronous Satellite Launch Vehicle.
Q336. What is the full form of SSLV?
A336. Small Satellite Launch Vehicle.
Q337. Which Indian mission was called “the Moon Impact Probe”?
A337. Chandrayan-1.
Q338. Which Indian mission studied Mars?
A338. Mangalyaan (Mars Orbiter Mission).
Q339. Which Indian rocket was used in Chandrayan-2?
A339. GSLV Mk III.
Q340. Which Indian mission successfully reached the Sun-Earth L1 point?
A340. Aditya-L1 (2023).
Satellites & Applications
Q341. What does INSAT stand for?
A341. Indian National Satellite System.
Q342. What does GSAT stand for?
A342. Geostationary Satellite.
Q343. What does Cartosat provide?
A343. High-resolution Earth observation images.
Q344. What does RISAT stand for?
A344. Radar Imaging Satellite.
Q345. What does IRNSS stand for?
A345. Indian Regional Navigation Satellite System.
Q346. What is NavIC?
A346. India’s own navigation system (like GPS).
Q347. What is EDUSAT?
A347. India’s first satellite dedicated to education.
Q348. What is Oceansat used for?
A348. Ocean and climate
studies.
Q349. What is Astrosat?
A349. India’s first dedicated multi-wavelength space observatory.
Q350. What is GSAT - 7A used for?
A350. Military communications.
Astronomy Basics
Q351. What is the closest star to Earth after the Sun?
A351. Proxima Centauri.
Q352. What is the brightest star in the night sky?
A352. Sirius (Dog Star).
Q353. What is the nearest galaxy to the Milky Way?
A353. Andromeda Galaxy.
Q354. What is the largest planet in the Solar System?
A354. Jupiter.
Q355. What is the smallest planet in the Solar System?
A355. Mercury.
Q356. Which planet is called the “Morning Star” or “Evening Star”?
A356. Venus.
Q357. Which planet is called the “Red Planet”?
A357. Mars.
Q358. Which is the coldest planet in the Solar System?
A358. Neptune.
Q359. Which planet rotates on its side?
A359. Uranus.
Q360. Which planet has the largest number of moons?
A360. Saturn.
Space Telescopes
Q361. What is the Hubble Space Telescope used for?
A361. Observing distant galaxies, stars, and planets.
Q362. When was the Hubble Space Telescope launched?
A362. 1990.
Q363. What telescope succeeded Hubble in 2021?
A363. James Webb Space Telescope (JWST).
Q364. What is JWST mainly designed to observe?
A364. Infrared light from distant galaxies and early Universe.
Q365. What is Spitzer Space Telescope famous for?
A365. Infrared astronomy.
Q366. What is Chandra X-ray Observatory used for?
A366. Observing high-energy X-rays from space.
Q367. Which telescope orbits Earth and studies gamma rays?
A367. Fermi Gamma-ray Space Telescope.
Q368. What is Astrosat?
A368. India’s first multi-wavelength space observatory.
Q369. Which country launched Astrosat?
A369. India (ISRO, 2015).
Q370. What is GAIA mission (ESA) used for?
A370. Mapping stars of the Milky Way.
Space Missions & Rovers
Q371. What was the first spacecraft to land on the Moon?
A371. Luna 2 (USSR, 1959).
Q372. What was the first spacecraft to land on Venus?
A372. Venera 7 (USSR, 1970).
Q373. What was the first spacecraft to land on Mars?
A373. Viking 1 (USA, 1976).
Q374. What was the first spacecraft to land on Titan (moon of Saturn)?
A374. Huygens (ESA, 2005).
Q375. What was the first spacecraft to land on a comet?
A375. Philae lander (Rosetta mission, 2014).
Q376. What is the name of NASA’s Mars rover launched in 2011?
A376. Curiosity.
Q377. What is the name of NASA’s Mars rover launched in 2020?
A377. Perseverance.
Q378. What is the name of China’s first Mars rover?
A378. Zhurong.
Q379. What is the name of India’s first lunar rover?
A379. Pragyan (Chandrayan-2 & 3).
Q380. What is Ingenuity in Mars mission?
A380. A helicopter drone that flew on Mars.
Important Space Stations
Q381. What does ISS stand for?
A381. International Space Station.
Q382. When was the first ISS module launched?
A382. 1998.
Q383. How many countries are part of the ISS project?
A383. 15 countries.
Q384. Which space agencies manage the ISS?
A384. NASA (USA), Roscosmos (Russia), ESA (Europe), JAXA (Japan), CSA (Canada).
Q385. What is Tiangong?
A385. China’s space station.
Q386. What was the first space station in history?
A386. Salyut 1 (USSR, 1971).
Q387. What was Skylab?
A387. The first US space station (1973).
Q388. What is Mir?
A388. A Russian space station (1986–2001).
Q389. What is Gateway (future project)?
A389. NASA’s planned lunar orbiting space station.
Q390. What is the main orbit of ISS?
A390. Low Earth Orbit (LEO).
Future Space Exploration
Q391. What is NASA’s program to return humans to the Moon?
A391. Artemis program.
Q392. When is NASA planning Artemis III (first woman on the Moon)?
A392. Planned for mid-2020s.
Q393. Which private company is working on Starship rocket?
A393. SpaceX.
Q394. What is Blue Origin’s space tourism rocket called?
A394. New Shepard.
Q395. Who is the founder of SpaceX?
A395. Elon Musk.
Q396. Who is the founder of Blue Origin?
A396. Jeff Bezos.
Q397. Who is the founder of Virgin Galactic?
A397. Richard Branson.
Q398. What is SpaceX’s Falcon Heavy used for?
A398. Heavy-lift rocket for deep space missions.
Q399.
What is Starlink?
A399. SpaceX’s satellite internet constellation.
Q400. What is OneWeb?
A400. A global satellite internet project partly backed by India.
Go to Part V to see the next part.............
Explore important Kerala PSC general knowledge questions with detailed answers.๐๐๐
