General Awareness

SCIENCE & TECHNOLOGY - January 2017

Jan 2017

Sep 20, 2023

NASA's Parker Solar Probe Gets Closest to Sun

NASA's Parker Solar Probe marked a historic milestone by becoming the first spacecraft to fly through a coronal mass ejection (CME) directly from the sun — a colossal eruption which expels billions of tonnes of plasma.
The audacious probe that was launched in August 2018 now holds the distinction of being the closest human-made craft to the sun.
NASA's Parker Solar Probe spent two days at a mere 5.7 million miles (9.2 million kilometres) from the sun's scorching surface.

Sep 19, 2023

China Reportedly Develops 'Artificial Liver' That Works Outside the Human Body

Chin has reportedly approved clinical trials for a stem cell-based 'artificial liver'. This development offers hope for millions suffering from liver failure.
This bio-artificial liver, created by a team of Chinese researchers, operates outside the body, performing functions such as detoxification and protein synthesis typically carried out by the liver.
Currently, liver transplantation is the only effective treatment for liver failure. However, the treatment is often limited by a shortage of donors, complex surgeries, high cost, and finally, the need for lifelong immunosuppressants.
The stem cell-based artificial liver aims to support the diseased liver until it regenerates or a suitable graft for transplantation becomes available.

Aditya-L1 Begins Collecting Data

ISRO's Aditya L1 solar mission spacecraft started collecting data that will help scientists analyse the behaviour of particles surrounding the earth.
It said STEPS instrument, one of the seven payloads aboard Aditya L1, began measuring supra-thermal and energetic ions and electrons at distances greater than 50,000 km from Earth. The mission started 110-day journey toward Lagrange Point 1.

Sep 18, 2023

NASA's OSIRIS-REx Mission Set for Historic Asteroid Bennu Sample Return

NASA's OSIRIS-REx mission is set to create history on September 24, 2023, by bringing back samples from the asteroid Bennu after spending seven years in deep space. Asteroid Bennu is a potentially hazardous, near-Earth space rock that has a nearly 1 in 1,800 chance of colliding with Earth in the next 300 years. It makes a close approach to Earth every six years.
Launched in 2016, the spacecraft reached Bennu in October 2020 and successfully collected samples from its surface.
As NASA eagerly anticipates the landing, scientists are preparing for the spacecraft's return to Earth, which involves a high-speed entry into the Earth's atmosphere, followed by the deployment of parachutes to slow it down to a manageable 10 mph. The spacecraft will then head to Apophis, another potentially dangerous space rock, for a rendezvous in 2029.

Sep 16, 2023

Germany Signs U.S.-led Space Norms Pact Artemis Accords

Germany became the 29th country to sign the Artemis Accords, a U.S.-led multilateral agreement meant to establish norms of behaviour in space and on the lunar surface.
The signing marked a key addition to a growing slate of countries aligning their space policies and standards of cooperation with the United States, as nations including China and India eye the moon as stage for technological advances and national prestige.

Sep 15, 2023

Tentative Evidence of Life Found On Faraway Planet, Says NASA

In a groundbreaking revelation, scientists disclosed the presence of a rare water ocean on a massive exoplanet located numerous light years from Earth.
According to a new investigation with NASA's James Webb Space Telescope into K2-18 b, an exoplanet 8.6 times as massive as Earth, the presence of carbon-bearing molecules, including methane and carbon dioxide, was revealed.
Webb's discovery adds to recent studies suggesting that K2-18 b could be a Hycean exoplanet, one that has the potential to possess a hydrogen-rich atmosphere and an ocean-covered surface.
K2-18 b is situated within the habitable zone of a cool dwarf star known as K2-18, located approximately 120 light years away from Earth within the Leo constellation.

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