General Awareness

SCIENCE & TECHNOLOGY - July 2017

Jul 2017

Aug 11, 2022

Old Astronomical Observatory in Bihar Not Put on UNESCO List: World Body

UNESCO said a 106-year-old astronomical observatory at a college in Bihar's Muzaffarpur district was not inscribed on its list of endangered heritage.
The clarification from the world body came in the wake of several media houses reporting that it was included in the list of endangered heritage observatories of the world.
The observatory, the first of its kind in eastern India, was established in the Langat Singh College in 1916 to impart astronomical knowledge to the students in detail.
As a first step for a site to be inscribed to the World Heritage list, the Government of India should include it in its Tentative List (which is currently not the case for this astronomical observatory), said UNESCO.

Aug 10, 2022

Russia Launches Iranian Satellite into Orbit from Southern Kazakhstan

Russia launched an Iranian satellite into orbit from southern Kazakhstan, just three weeks after President Vladimir Putin and Supreme Leader Ayatollah Ali Khamenei pledged to work together against the West.
The remote Khayyam sensing satellite, named after the 11th century Persian poet and philosopher Omar Khayyam, was launched by a Russian Soyuz rocket from the Baikonur Cosmodrome in Kazakhstan and entered orbit successfully.
Tehran rejected claims the satellite could be used by Moscow to boost its intelligence capabilities in Ukraine, saying that Iran will have full control and operation over it from day one.
As per reports, the satellite is designed for scientific research including radiation and environmental monitoring for agricultural purposes.

Aug 09, 2022

The Length of Earth's Days Mysteriously Increasing

Atomic clocks, combined with precise astronomical measurements, have revealed that the length of a day is suddenly getting longer, and scientists don't know why.
This has critical impacts not just on our timekeeping, but also things like GPS and other technologies that govern our modern life.
Over the past few decades, Earth's rotation around its axis – which determines how long a day is – has been speeding up. This trend has been making our days shorter; in fact, in June 2022 we set a record for the shortest day over the past half a century or so.
But despite this record, since 2020 that steady speedup has curiously switched to a slowdown – days are getting longer again, and the reason is so far a mystery.

Aug 08, 2022

Satellites No Longer Usable after Deviation: ISRO

As per the Indian Space Research Organisation (ISRO), the satellites on board its maiden Small Satellite Launch Vehicle "are no longer usable" after the SSLV-D1 placed them on an elliptical orbit instead of a circular one.
The space agency said that a committee would analyse and make recommendations into today's episode and with the implementation of those recommendations ISRO will come back soon with SSLV-D2. SSLV-D1 placed the satellites into 356 km x 76 km elliptical orbit instead of 356 km circular orbit.
Unlike ISRO's trusted workhorse — Polar Satellite Launch Vehicles (PSLV) — the SSLV can carry payloads weighing up to 500 kg and deploy satellites into a 500 km low earth orbit.

China Successfully Launches Pilot Reusable Spacecraft

China successfully launched a pilot reusable spacecraft with its Long March-2F carrier rocket.
The unidentified spacecraft, which was launched from China's Jiuquan Satellite Launch Center, would return to a planned landing site after operating in the orbit for some time to provide technical validations for reuses.
China said that it made a big step towards developing reusable space transportation technology as it launched a spacecraft which returned to Earth on the same day after flying to the edge of the atmosphere in July.

Aug 07, 2022

United Launch Alliance's Atlas V Rocket Launched with US Space Force Satellite

The United Launch Alliance (ULA) launched an Atlas V rocket with the sixth and final Space Based Infrared System Geosynchronous Earth Orbit (SBIRS GEO 6) spacecraft for the United States Space Force's Space Systems Command. The ULA is a joint venture between Lockheed Martin and Boeing. The rocket was launched from the Canaveral Space Force Station in Florida.
SBIRS is an early missile warning system that will be the successor to the Defense Support Program, whose first satellite launch took place in the 1950s. SBIRS will consist of a constellation of three satellites in geosynchronous orbit and two other classified satellites on highly elliptical orbits around the poles.

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