Daily Special Current Affairs Material for IAS (Pre) 2013 – Topic: “ISRO’s Successful Mission”

Daily Special Current Affairs Material for IAS (Pre) 2013

Chapter: Science & Technology

Topic: ISRO’s Successful Mission

Q. PSLV-C17?

Ans. PSLV-C 17 was the eighteenth
successive successful flight of PSLV which has once again proved its versatility
and reliability GSAT-12 Communication satellite with a mass of 1410 kg at
lift-off, has 12 Extended C-band transponders and has been successfully placed
in Geosynchronous Orbit.

Q. GSAT-12 and its importance?

Ans. GSAT-12 is a communication satellite
with a mass of 1410 kg at lift-off, has 12 Extended C-band transponders and has
been successfully placed in Geosynchronous Orbit by PSLV-C17.
It will enhance space based applications in the area of telemedicine, tele-education
and disaster management support.

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Q. What is GSAT-8 and what is its role in GAGAN?

Ans. India’s advanced
communication satellite, GSAT-8 – weighing about 3100 kg at lift-off, was
successfully launched into the Geosynchronous Transfer Orbit (GTO) on May 21,
2011 by the Ariane-V launch vehicle from Kourou, French INSAT system and carries
24 high power transponders in Ku-band and a two-channel GPS Aided Geo Augmented
Navigation (GAGAN) payload operating in L1 and L5 bands. The transponders will
augment the capacity in the INSAT system while the GAGAN payload provides the
Satellite Based Augmentation System (SBAS), through which the accuracy of the
positioning information obtained from the GPS Satellite is improved by a network
of ground based receivers and made available to the users in the country through
the geostationary satellites.

Q. How many satellites were launched by PSLV-C16 and what
are the details of these?

Ans. In its 17th
consecutive successful flight, India’s Polar Satellite Launch Vehicle (PSLV-C16)
injected three Satellites viz. RESOURCESAT-2, YOUTHSAT and X-SAT into the Polar
Sun synchronous orbits on April 20, 2011 RESOURCESAT-2 built by ISRO – the
primary satellite is an advanced remote sensing satellite facilitating a host of
applications and services in the area of agricultural monitoring, natural
resources management, disaster management support as well as infrastructure
planning and will ensure continuity of remote sensing data currently being
provided by RESOURCESAT-1 launched in 2003. YOUTHSAT is a joint Indo-Russian
satellite for stellar and atmospheric studies. X-SAT is a micro-satellite for
imaging applications built by Nanyang Technological University (NTU), Singapore.

Q. What is HYLAS (Highly Adaptable Satellite)?

Ans. The HYLAS jointly
built by ISRO/Antrix and EADS/Astrium of Europe for Avanti communications of
U.K. was launched successfully on November 27, 2010 by the European Ariane-5
V198 launch vehicle, and was placed in the geostationary orbit.

Q. What is the recent achievement of ISRO in Building of
Super Computer

Ans. ISRO has built a
supercomputer, which is to be India’s fastest supercomputer in terms of
theoretical peak performance of 220 Teraflops (220 Trillion Floating Point
Operations per second).

Q. What is the name of the fastest supercomputer of India
which was recently built by ISRO?

Ans. The new Graphic
Processing Unit (GPU) based supercomputer named “SAGA-220” (Supercomputer for
Aerospace with GPU Architecture-220 Teraflops) is being used by space scientists
for solving complex aerospace problems.

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