General Awareness

SCIENCE & TECHNOLOGY - July 2018

Jul 2018

Jan 28, 2021

Students of College in Coimbatore Develop Satellite for ISRO

Students of Sri Shakti Institute of Engineering and Technology have designed and developed a satellite at a cost of Rs. 2.5 crore. It would be inaugurated by chairman of Indian Space Research Organisation (ISRO) Dr. R Sivan on January 28.
The formation of the Indian National Space Promotion and Authorisation Centre in June last by Prime Minister Narendra Modi inspired 12 students of the institute to collaborate with ISRO and develop 'Sri Shakti Sat'. After installing Sri Shakti Sat Ground Station in collaboration with Serbia-based Community for Space Programme Development, the institute became a member of the Satellite Networked Open Ground Station (SATNOGS) project.

Jan 27, 2021

SpaceX Launches 143 Satellites on Single Rocket

Elon Musk's SpaceX created a new world record by launching 143 satellites on a single rocket last night. SpaceX has beaten the Indian space agency ISRO's record of deploying 104 satellites in a single launch in February 2017. The launch vehicle for the SpaceX record-breaking flight was the Falcon 9 rocket.
The 143 satellites launched last night include commercial and government CubeSats, microsats and 10 Starlink satellites. Onboard was also a spacecraft belonging to NASA. With these satellites, SpaceX aims to provide near-global broadband internet coverage all over the world by 2021. According to sources, SpaceX offered a very low price of 15,000 dollars per kilogram for each satellite to be delivered to a polar sun-synchronous orbit.

Jan 25, 2021

World Record Set

A new world record has been set for the number of satellites sent to space on a single rocket.
The 143 payloads, of all shapes and sizes, rode to orbit on a SpaceX Falcon rocket that launched out of Florida.
The number beats the previous record of 104 satellites carried aloft by an Indian vehicle in 2017.
It's further evidence of the major structural changes taking place in space activity that are allowing many more actors to get involved.
This shift is the result of a revolution in robust, miniaturized, low-cost components — many taken direct from consumer electronics such as smartphones — that mean pretty much anyone can now build a capable satellite in a very small package.
And with SpaceX offering to transport those packages to orbit for just $1m, the commercial opportunities will continue to open up.

Jan 23, 2021

NASA Investigating Distant Galaxy Mysteriously Shooting Flares Out Every 114 Days

The National Aeronautics and Space Administration (NASA) is investigating a distant galaxy that erupts once roughly every 114 days and has been spotted 570 million light-years away.
According to NASA, scientists have studied 20 repeated outbursts, classified as ASASSN-14ko, as observed by its Neil Gehrels Swift Observatory and Transiting Exoplanet Survey Satellite (TESS) by measuring different wavelengths of light.
These are the most predictable and frequent recurring multi wavelength flares which have been seen from a galaxy's core, and they give a unique opportunity to study this extragalactic Old Faithful in detail.

Jan 22, 2021

EU orders next-generation Galileo satellites

The European Commission has handed down industrial contracts worth a total of €1.47bn (£1.31bn; $1.97bn) to build the next generation of Galileo satellites.
The work is going to the continent's two dominant space manufacturers — Airbus and Thales Alenia Space.
They will make six spacecraft each for the global navigation satellite system, with the first of them likely to go into orbit in 2024.
Galileo is the EU's version of the US Global Positioning System (GPS).
Now enabled in billions of smartphones worldwide, both services allow users to identify their location on the planet down to an error of a metre or so.
The precise timing transmissions from orbit are also used in numerous infrastructure applications, including the synchronisation of telecommunications and energy networks.

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