सामयिक विषय: Scientific

ISRO 100th Satellite Launch

PSLV-C40/Cartosat-2 Series Satellite Mission

Question: On January 12th, 2018, from which of the following launch vehicle the Indian Space Research Organization (ISRO) has successfully launched 31 satellites, including its 100th satellite CARTOSAT-2?
(a) PSLV-C41
(b) PSLV-C40
(c) PSLV-C39
(d) PSLV-C35
Answer: (b) 
Related Facts:

  • On January 12, 2018, the Indian Space Research Organization (ISRO) successfully launched 31 satellites, including its 100th satellite CARTOSAT-2 from Polar Satellite Launch Vehicle PSLV-C40.
  • Mission was launched at 09:29 Hrs (IST) from Satish Dhawan Space Center Sriharikota (Andhra Pradesh).
  • PSLV 740 kg through C-40 a satellite of the weighted cartosat-2 series and successfully launched 26 Nano and 4 micro satellites.
  • The total weight of all 31 satellites is 1323 kg.
  • Of the 31 satellites, three are Indian and 28 (3 micro satellites and 25 nano satellites) are from six countries: Canada, Finland, France, South Korea, UK and the USA.
  • This is the second opportunity when ISRO successfully launched 31 satellites simultaneously.
  • Earlier, ISRO had successfully launched 31 satellites from PSLV-C 38on June 23rd, 2017.
  • Cartosat Satellite is also known as ‘Eye in the Sky’ because it is designed to take pictures from space.
  • It was the 40th successful mission, of PSLV while it was its 42nd flight.

Reference:     
https://www.isro.gov.in/launcher/pslv-c40-cartosat-2-series-satellite-mission
https://aajtak.intoday.in/story/isro-launch-pakistan-china-pslv-help-on-border-1-977201.html
http://indianexpress.com/article/technology/science/isro-satellite-launch-live-updates-pslv-c40-sriharikota-space-centre-rocket-cartosat-2-5021318/

Successful test of 'Prithvi' Advanced Air Defense Supersonic Interceptor Missile

Successful test of ‘Prithvi’ Advanced Air Defense Supersonic Interceptor Missile

Question: From where DRDO successfully tested the indigenously built ‘Prithvi’ Advanced Air Defense Supersonic Interceptor Missile?
(a) Pokhran
(b) Jaisalmer
(c) Balasore
(d) Visakhapatnam
Answer: (c) 
Related Facts:

  • On December 28th, 2017, Defence Research and Development Organization (DRDO) successfully tested ‘Prithvi’ Advanced Air Defense (AAD) supersonic interceptor missile from Dr Abdul Kalam Island about 100 km away from Balasore coast of Odisha.
  • The interceptor directly hit the target at an altitude of about 15 kilometres and destroyed it into fragments.
  • The spectacular success puts India in the league of a very few select nations world over in the arena of critical defence technology.
  • It is worth mentioning that this is the third supersonic interceptor test carried out this year in which an incoming ballistic missile target was successfully intercepted, within 30 km altitude of the earth’s atmosphere by an interceptor.
  • Earlier, two successful tests were conducted on 11th February and 1st March, 2017.
  • This missile is part of the multi-level ballistic missile defense system.
  • It has been developed by Defense Research and Development Organization (DRDO).
  • A 7.5 meter long single phase solid fuel guided missile is equipped with a directive system, high-tech computer and electro-mechanical activator.

Reference:
https://economictimes.indiatimes.com/news/defence/india-successfully-test-fires-supersonic-interceptor-missile/articleshow/62280037.cms
http://www.pib.nic.in/PressReleseDetail.aspx?PRID=1514567

President of India presents President’s Colour to the Submarine Arm of the Indian Navy

50 years of Indian Navy submarine branch

Question- Where was the President of Indian Navy submitting to the President’s Colors by President Ramnath Kovind recently?
(a) Kochi
(b) Goa
(c) Visakhapatnam
(d) Rameswaram
North- (c)
Related Facts

  • December 8, 2017, President Ramnath Kovind has given the submarine branch of the Indian Navy to Visakhapatnam (Andhra Pradesh) ) In the President Colors.
  • This respect was given on the occasion of the 50thanniversary of this prestigious submarine branch of Navy.
  • Earlier, the President inaugurated the naval marine science museum.
  • This museum has been mounted for sea surveillance Tupolov 142 S, which has been in service for the Navy for almost three decades.

Referens :
http://pib.nic.in/PressReleseDetail.aspx?PRID=1512042
http://pib.nic.in/PressReleseDetail.aspx?PRID=1512040

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