ഇന്ത്യയുടെ ദേശീയ ബഹിരാകാശ ദിനാഘോഷത്തെ സംബന്ധിച്ച ശരിയായ വാക്യം/വാക്യങ്ങൾ തെരഞ്ഞെടുക്കുക
(i) എല്ലാ വർഷവും ആഗസ്റ്റ് 23 ന് ആചരിച്ചു വരുന്നു
(ii) 'ചന്ദ്രനെ തൊടുമ്പോൾ ജീവിതങ്ങളെ സ്പർശിക്കൽ : ഇന്ത്യയുടെ ബഹിരാകാശ സാഗ' എന്നതാണ് ഇന്ത്യയുടെ ദേശീയ ബഹിരാകാശ ദിനം 2025-ലെ പ്രതിപാദ്യം
(iii) ഇത് ചന്ദ്രയാൻ ചന്ദ്രനിൽ വിജയകരമായി ഇറങ്ങിയതിന്റെ സ്മരണക്കായി ഏർപ്പെടുത്തിയതാണ്
(v) ഇത് ചൊവ്വ ഭ്രമണപഥദൗത്യത്തിന്റെ വിജയസൂചകമായുള്ള ആചരണമാണ്
(v) ഇത് ഇന്ത്യയുടെ ബഹിരാകാശ ദൗത്യങ്ങളെക്കുറിച്ച് പൗരന്മാർക്കിടയിൽ വർദ്ധിച്ച ആവേശവും അവബോധവും സൃഷ്ടിക്കുന്നു
Consider the following:
The orbital velocity in GEO is about 3075 m/s.
The GEO satellites rotate in inclined orbit planes.
GEO satellites always move relative to Earth.
Which statements are correct?
Choose the correct statement(s) about High Earth Orbit (HEO) missions:
These orbits are higher than 35,786 km.
Mangalyaan and Chandrayaan missions used such orbits.
HEO is a subtype of LEO.
Which of the following correctly describes satellite constellation requirements?
LEO systems need more satellites than GEO for global coverage.
MEO requires more satellites than LEO.
GEO systems require only 3 satellites for most of the globe.
Consider the following:
Medium Earth Orbit satellites have an average orbital period of 24 hours.
LEO satellites have a typical propagation delay of about 10 ms.
GEO satellites require lower launch costs compared to LEO.
Which of the statements is/are correct?
Consider the following statements about orbit types:
Elliptical orbits always keep the satellite at a constant distance from Earth.
Polar orbits pass over the equator but not the poles.
Inclined orbits intersect the equator at an angle. Which are correct?
Which of the following statements are correct?
The Doppler Effect must be accounted for in LEO and MEO orbits.
LEO satellites require frequent handovers.
GEO satellites suffer from significant latency and propagation delay
Which of the following is/are correct about Geostationary Orbit (GEO)?
GEO satellites appear stationary from Earth.
They are located at an altitude of 35,863 km.
They offer excellent polar region coverage.
Consider the following about SSLV missions:
EOS-2 was launched in SSLV’s maiden flight.
EOS-7 was launched along with Janus and AzadiSAT-1.
SSLV is a three-stage, solid-fuelled rocket.
Which of the following statements are correct regarding satellite visibility and coverage?
LEO satellites provide low latency but short visibility durations.
MEO satellites offer longer visibility than LEO but less than GEO.
GEO satellites offer near-global coverage including polar regions.
Consider the following statements:
The Vikram-S rocket was launched from Sriharikota by a private company.
SSLV is larger and heavier than GSLV.
The Praarambh mission used a government-manufactured vehicle.
Consider the following about ISRO’s project leadership:
P. Kunhikrishnan was Project Director of Mars Orbiter Mission.
S. Arunan served as Director of Chandrayaan-1.
M. Annadurai was Project Director of Chandrayaan-1.
Consider the following about GSLV’s first cryogenic use:
It happened in 2001.
India became the sixth country to use cryogenic technology.
The engine was developed by the European Space Agency.
Regarding the Mars Atlas released by ISRO:
It was a digital compilation of MOM’s trajectory.
It included scientific images from the first year of orbit.
It was published by the Ministry of Earth Sciences.
Which of the following statements about the GSLV Mk III rocket are correct?
It can carry crew modules due to its LEO capabilities.
CE-20 is its cryogenic engine.
It was first successfully launched in 2001.
Consider the following statements about Chandrayaan-1’s objectives:
Mapping the Moon's chemical and mineral composition was a key objective.
The spacecraft operated entirely in a 200 km orbit.
It was ISRO’s first interplanetary mission.
Consider these statements regarding GSLV-Mk III’s development:
Development took over 25 years.
It underwent 11 flights before final realization.
Cryogenic testing of C25 happened in 2010.
Consider the following about ISRO’s navigation satellite program:
GSLV-F15 launched the NVS-02 satellite.
NVS-02 enhances NavIC capabilities.
NavIC is designed for interplanetary navigation.
Regarding GSLV Mk III, which statements are correct?
It is India’s heaviest and shortest rocket.
It uses a two-stage propulsion system.
It can place 8 tonnes in Low Earth Orbit.
Consider the following about Mars Orbiter Mission (MOM):
It was launched using GSLV Mk II.
It was the least expensive Mars mission globally.
The project director was S. Arunan.
Consider the following statements about Chandrayaan-1:
It orbited at a height of 100 km for lunar mapping.
Scientific instruments onboard were contributed by six different countries.
It was launched from the Thumba Equatorial Rocket Launching Station.
Consider the following regarding Amazonia-1 satellite:
It was developed and launched by Brazil in collaboration with ISRO.
It was Brazil's first completely indigenous Earth observation satellite.
It was launched aboard PSLV-C51 in 2021. Which statements are correct?
Consider the following statements:
Chandrayaan-1 was announced by PM Vajpayee in his Independence Day speech.
It was India’s first planetary exploration mission.
The spacecraft orbited at 1000 km altitude for high-resolution mapping.
Which are correct?
Choose the correct statement regarding the distinction between Antrix and NSIL:
NSIL supports private sector growth within India, while Antrix handles foreign customers.
Antrix was incorporated in 2019 as a CPSE.
NSIL markets only launch vehicles and not other ISRO products.
Consider the following about Antrix Corporation:
It was set up as ISRO’s commercial arm to handle international contracts.
It acts under the Department of Space, Government of India.
It primarily supports the development of launch vehicles in India.
Which are correct?
Consider the following statements regarding NSIL:
NSIL deals with domestic licensing and productization of ISRO technologies.
NSIL was created as a replacement to Antrix for all space commerce.
NSIL helps scale ISRO’s technologies by transferring them to private Indian industries.
Which of the above are correct?
Which of the following about NSIL’s functions are accurate?
Manufacture of small satellite launch vehicles in collaboration with private sector.
Exclusive marketing of PSLV and GSLV launches for foreign clients.
Productization and marketing of space-based services.
Regarding Chandrayaan-1, which of the following statements are true?
It carried international payloads alongside Indian instruments.
It mapped the Moon's surface for mineralogical and chemical studies.
It was launched by GSLV Mk II.
Consider the following statements about PSLV-C51:
It was NSIL’s first dedicated commercial mission.
It carried 18 co-passenger satellites.
It launched an Indian Earth observation satellite as the main payload.
Which of the following statements about Antrix Corporation are true?
It was incorporated as a public limited company in 1992.
It handles international marketing of space products and services.
It focuses on the Indian private sector's space launch capabilities.