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The first successful developmental flight of LVM3 (GSLV Mk III) carrying a crew module was _______.
- D1
- C25
- TV-D1
- XPM
Answer: C25
LVM3-C25 (formerly GSLV Mk III-D1) was the first successful developmental flight in 2017, launching the GSAT-19 satellite. It later launched Chandrayaan-2 and Chandrayaan-3.
Saturn's rings are made mostly of ice particles with some rocky debris and dust.
- True
- False
Answer: True
Saturn's rings are composed predominantly of water ice particles, ranging in size from tiny grains to large boulders, along with some rocky material and dust.
Who was the first Indian woman to go to space?
- Kiran Bedi
- Kalpana Chawla
- Sunita Williams
- Tessy Thomas
Answer: Kalpana Chawla
Kalpana Chawla was the first Indian-born woman to go to space (1997). Sunita Williams is also of Indian origin but Kalpana Chawla was the first.
Which satellite series is used by India for tele-education and tele-medicine?
- INSAT
- IRS
- GSAT
- Both INSAT and GSAT
Answer: Both INSAT and GSAT
Both INSAT and GSAT series satellites have transponders dedicated to tele-education and tele-medicine services, connecting remote areas to urban centers.
The National Remote Sensing Centre (NRSC) of ISRO is located in _______.
- Bengaluru
- Hyderabad
- Dehradun
- Nagpur
Answer: Hyderabad
NRSC is located in Hyderabad. It is responsible for remote sensing satellite data acquisition, processing, and dissemination.
A supernova is the explosion of a star at the end of its life cycle.
- True
- False
Answer: True
A supernova is a powerful and luminous stellar explosion that occurs during the last evolutionary stages of a massive star or when a white dwarf is triggered into runaway nuclear fusion.
Which country became the first to land a spacecraft on the far side of the Moon?
- USA
- India
- China
- Russia
Answer: China
China's Chang'e 4 mission successfully landed on the far side of the Moon in January 2019, a first in history.
Which moon of Jupiter is known for its active volcanoes?
- Europa
- Ganymede
- Io
- Callisto
Answer: Io
Io is the most volcanically active body in the Solar System. Its volcanic activity is driven by tidal heating from Jupiter's gravity.
The James Webb Space Telescope primarily observes in the _______ spectrum.
- Visible Light
- Ultraviolet
- Infrared
- X-ray
Answer: Infrared
JWST is optimized for infrared astronomy, allowing it to peer through dust clouds and observe the earliest galaxies formed after the Big Bang.
JAXA is the space agency of Japan.
- True
- False
Answer: True
JAXA stands for Japan Aerospace Exploration Agency. It is responsible for research, technology development, and launch of satellites into orbit.
Which ISRO launch vehicle is specifically designed for launching small satellites to Low Earth Orbit?
- PSLV
- GSLV
- SSLV
- LVM3
Answer: SSLV
SSLV (Small Satellite Launch Vehicle) is designed for launching small satellites (up to 500 kg) to LEO. It offers low cost and low turn-around time.
Which planet has the Great Dark Spot, a storm similar to Jupiter's Great Red Spot?
- Uranus
- Neptune
- Saturn
- Mars
Answer: Neptune
Neptune had a large storm system known as the Great Dark Spot, observed by Voyager 2 in 1989. Unlike Jupiter's spot, Neptune's dark spots appear and disappear over time.
The first space station, _______, was launched by the Soviet Union in 1971.
- Skylab
- Salyut 1
- Mir
- ISS
Answer: Salyut 1
Salyut 1 was the first space station launched into low Earth orbit by the Soviet Union on April 19, 1971.
A lunar eclipse can only occur during a full moon.
- True
- False
Answer: True
A lunar eclipse occurs when the Earth passes between the Sun and the Moon, casting a shadow on the Moon. This alignment can only happen during a full moon.
Which mission returned samples from an asteroid named Ryugu to Earth?
- OSIRIS-REx
- Hayabusa2
- Chang'e 5
- Stardust
Answer: Hayabusa2
JAXA's Hayabusa2 mission successfully collected samples from the asteroid Ryugu and returned them to Earth in December 2020.
How many satellites constitute the full constellation of NavIC?
- 5
- 7
- 10
- 12
Answer: 7
The NavIC constellation consists of 7 satellites: 3 in geostationary orbit and 4 in inclined geosynchronous orbit.
The Liquid Propulsion Systems Centre (LPSC) of ISRO, responsible for liquid and cryogenic stages, has major facilities in Valiamala (Thiruvananthapuram) and _______.
- Bengaluru
- Mahendragiri
- Sriharikota
- Hyderabad
Answer: Mahendragiri
LPSC has a major facility in Mahendragiri, Tamil Nadu, where liquid and cryogenic stages are tested and integrated.
Mercury has no atmosphere.
- True
- False
Answer: True
Mercury has a very thin exosphere rather than a true atmosphere. It is too small and hot to retain a significant atmosphere, leading to extreme temperature fluctuations.
What is the name of the nearest major galaxy to the Milky Way?
- Triangulum Galaxy
- Andromeda Galaxy
- Magellanic Clouds
- Whirlpool Galaxy
Answer: Andromeda Galaxy
The Andromeda Galaxy (M31) is the nearest major galaxy to the Milky Way. It is expected to collide with the Milky Way in about 4.5 billion years.
Aditya-L1 is designed to study which celestial body?
- Moon
- Mars
- Sun
- Venus
Answer: Sun
Aditya-L1 is India's first solar mission, designed to study the Sun's corona, solar emissions, and space weather.