General Awareness

SCIENCE & TECHNOLOGY - September 2018

Sep 2018

Dec 20, 2018

GSAT-7A Satellite Launched

ISRO successfully launched the country's geostationary military communication satellite GSAT-7A onboard Geosynchronous Launch Vehicle GSLV-F11.
The 2,250-kg GSAT-7A has a mission life of eight years. The satellite has been built to provide communication capability to the users in Ku-band over the Indian region.
GSAT-7A was the seventh launch of 2018 from Sriharikota and marks the 69th mission of GSLV-F11 for ISRO. GSLV-F11 is ISRO's fourth generation launch vehicle with three stages.

Dec 19, 2018

The Most Distant Body in Our Solar System

Scientists have discovered the most distant body ever observed in our solar system, located over 100 times farther than Earth is from the sun.
The new object, discovered by Scott S. Sheppard, David Tholen and Chad Trujillo has been given the provisional designation 2018 VG18.
2018 VG18, nicknamed "Farout" by the team for its extremely distant location, is at about 120 astronomical units (AU), where 1 AU is defined as the distance between the Earth and the Sun.

Saturn Losing its Iconic Rings

As per NASA scientists, Saturn's iconic rings are being rapidly pulled apart into a dusty rain of ice particles under the influence of the planet's magnetic field.
At this rate, the Saturn's rings are likely to disappear in the next 100 million years.

Dec 15, 2018

NASA Plans New Moon Mission

NASA is set to work with American companies to design and develop new reusable systems, in a major step to land astronauts on the surface of the Moon.
NASA is planning to test new human-class landers on the Moon beginning in 2024, with the goal of sending crew to the surface in 2028.
Through upcoming multiphased lunar exploration partnerships, NASA will ask American companies to study the best approach to landing astronauts on the Moon and start the development as quickly as possible with current and future anticipated technologies.

Dec 14, 2018

Aircraft-like Black Box Systems in Trains

The Indian Railways is soon going to install aircraft-like black box systems in trains.
The Indian Railway has started installing Loco cab audio video recording system (LCAVR) / Crew Voice/Video Recording System (CVVRS) in Diesel and Electric locomotives.
This system provides invaluable data to investigators which will help them in understanding the sequence of events leading up to an accident and for identifying operational issues and human factors.

Dec 13, 2018

Eco-friendly Algae Curtains

Two European architects have developed plant-filled plastic curtains designed to turn building facades into "living walls" that help purify dirty air.
The curtains contain a maze-like network of tubes filled with microscopic algae, which like all green plants remove carbon dioxide from the air while pumping out oxygen via the carbon-sequestering process known as photosynthesis.
Air flows into the bottom of the curtains and rises through the tubes, feeding the microalgae along the way.

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