Current Affairs Science & Technology

  U.S. space agency NASA prepares to send “first woman and next man” on Moon as part of its ambitious Artemis programme in 2024. NASA has marked the 50th anniversary of the historic first Moon landing.
Source: The Hindu

Indian Space Research Organisation launched Chandrayaan 2 from Satish Dhawan Space Center at Sriharikota. It was launched by GSLV MkIII-M1 Vehicle at 14:43 hours IST. The lander-Vikram will land near South Pole of the moon on Sep 7, 2019. Chandrayaan 2 is India’s 2nd moon mission.
Source: The ISRO

  Russia launched a space telescope from the cosmodrome in Baikonur, Kazakhstan. It was a joint project with Germany. The Russian space agency, showed a Proton-M rocketcarrying the Spektr-RG taking off from the launch pad. The Spektr-RG, is a space observatory intended to replace the Spektr-R, known as the “Russian Hubble”, Spektr-R was launched in 2011 to observe black holes, neutron stars and magnetic fields. Its successor will take up similar duties.
Source:The Hindu

 National Aeronautics and Space Administration’s robot named Bumble became the first Astrobee robot to fly under its own power in space. Astrobee is a free-flying robot system that will help researchers test new technologies in zero gravity and perform routine work alongside astronauts aboard the International Space Station. Astrobee robots can move in any direction and turn on any axis in space.
Source: NASA

The Indian Space Research Organization (ISRO) has, for the first time, opened itslaboratories for Indian school students to undergo two-week training from this year. The training module has been devised as part of its new Young Scientists Programme, or Yuva Vigyanik Karyakram, YUVIKA.
Source: DD News

  After nearly 16 years of exploring the cosmos in infrared light, NASA’s Spitzer Space Telescope will be switched off permanently on Jan. 30, 2020. Spitzer is a small but transformational observatory. It captures infrared light, which is often emitted by “warm” objects that aren’t quite hot enough to radiate visible light. Spitzer has lifted the veil on hidden objects in nearly every corner of the universe, from a new ring around Saturn to observations of some of the most distant galaxies known.
Source: NASA

  Indian Space Research Organisation (ISRO) has successfully launched the ‘RISAT-2B’ Satellite from the Sriharikota’s, Satish Dhawan Space Centre, SHAR. The Polar Satellite Launch Vehicle (PSLV-C46) lifted-off from the First Launch Pad and injectedRISAT-2B into an orbit of 556 km, about 15 minutes and 25 seconds after lift-off. The RISAT-2B is a radar imaging earth observation satellite, weighing about 615 kg. The satellite is intended to provide services in the field of agriculture, forestry and disaster management. The all-weather, radar imaging satellite has the capability to observe and image the earth from about 500 kms.
Source- The Hindu

After decades of ground-breaking laboratory works, the world’s scientific and technical community, in a landmark and historic decision has unanimously adopted the resolution to redefine four of the seven base units, the kilogram (SI unit of weight), Kelvin (SI unit of temperature), mole (SI unit of amount of substance), and ampere (SI unit of current). 
This decision has now enabled scientists and researchers to base the SI units entirely on fundamental properties of nature, which will ensure their ongoing refinement and improvement for years to come. The fundamental constants are invariants of time and space and successfully replaced the artifact based units, and aptly opened up the new era for quantum world by linking all seven base units to fundamental constants/quantum standards.
The new SI is being implemented worldwide from 20th May 2019 i.e. the World Metrology Day. The World Metrology Day (WMD) is celebrated annually on this very day as the Metre Convention was signed by representatives of seventeen nations on May 20, 1875. On this occasion, CSIR-NPL also published a book entitled, “Redefined SI Units and Glimpses of NPL Metrological Activities” of almost 100 pages.
Source- Press Information Bureau (PIB)

  Space Exploration Technologies Corp. (Space X) launched its 17th commercial resupply mission to the International Space Station (ISS) by using Falcon 9 rocket with Dragon Spacecraft. The 213-foot-tall rocket lifted off from Cape Canaveral Air Force Station in Florida. This mission is a part of NASA’s Commercial Resupply Services (CRS) program, which uses commercial spacecraft to deliver cargo to the ISS.
Source: Livemint

  Microsoft has unveiled fully-managed Azure Blockchain Service that would simplify the formation, management, and governance so that businesses can focus on workflow logic and application development. Instead of supporting cryptocurrency transactions, Azure Blockchain Service will let businesses develop their applications on its Cloud-based platform. Microsoft has also announced a partnership with J.P. Morgan to make “Quorum“,  the first ledger available in Azure Blockchain Service.
Source: Livemint


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