General Awareness

SCIENCE & TECHNOLOGY - January 2019

Jan 2019

Aug 19, 2022

NASA's Moon Rocket Moved to Launch Pad for 1st Test Flight

NASA's new moon rocket arrived at the launch pad ahead of its debut flight in less than two weeks.
NASA is aiming for an Aug. 29 liftoff for the lunar test flight. No one will be inside the crew capsule atop the rocket, just three mannequins — test dummies swarming with sensors to measure radiation and vibration.
The capsule will fly around the moon in a distant orbit for a couple weeks, before heading back for a splashdown in the Pacific. The entire flight should last six weeks.
The flight is the first moonshot in NASA's Artemis program. The space agency is aiming for a lunar-orbiting flight with astronauts in two years and a lunar landing by a human crew as early as 2025.

Aug 18, 2022

Tasmanian Tiger: Scientists Hope to Revive Marsupial from Extinction

The Tasmanian tiger has been extinct since 1936. But, chances are, it won't remain extinct for too long. Scientists from the US and Australia are embarking on a multi-million dollar project to bring the animal back. The researchers say that the tiger can be brought back using stem cells and gene-editing technology. According to them, the creature officially known as a thylacine could be reintroduced to the wild in 10 years.
The scientists plan to recreate the creature by taking stem cells from a living marsupial species with similar DNA and then using gene-editing technology to "bring back" the extinct species. If successful, they will create an animal of extremely close approximation of the thylacine. The revival of the Tasmanian tiger would mark the first de-extinction event in history.

Aug 17, 2022

First 3D-Printed Human Cornea in India Developed by LVPEI, CCMB and IIT Hyderabad

For the first time in India, researchers in the city have successfully 3D-printed an artificial cornea and transplanted it into a rabbit eye.
Researchers from L V Prasad Eye Institute (LVPEI), Indian Institute of Technology-Hyderabad (IIT-H), and the Centre for Cellular and Molecular Biology (CCMB), have collaborated to develop a 3D-printed cornea from the human donor corneal tissue.
Developed indigenously through government and philanthropic funding, the product is completely natural, contains no synthetic components, is free of animal residues and is safe to use in patients.

Aug 15, 2022

Neptune-Sized Exoplanet Found Orbiting A-Type Star HD 56414

With an effective temperature of 8,500 K, the A-type star HD 56414 is one of the hottest stars known to host a planet smaller than Jupiter.
HD 56414 is located approximately 873 light-years away in the constellation of Volans.
Also known as TOI-1228, TIC 300038935 or SAO 249773, the star is roughly 420 million years old, much younger than our Sun's 4.5-billion-year age.
The newly-found exoplanet orbits HD 56414 every 29 days at a distance equal to about one-quarter the distance between Earth and the Sun.
The alien world has a radius 3.7 times that of Earth and belongs to the class of warm Neptunes.
Named HD 56414b (TOI-1228b), it was detected by NASA's Transiting Exoplanet Survey Satellite (TESS) as it transited its parent A-type star.

NASA's InSight Mission Finds Martian Equator Contains Little or No Ice

Martian equator contains little or no ice, according to a new analysis of seismic data from NASA's Mars InSight mission.
The findings describe the dry conditions in the top 300 metres of the subsurface beneath the landing site near the Martian equator.
These findings don't preclude that there could be grains of ice or small balls of ice that are not cementing other minerals together.
Further, a team found that the red planet may have harboured oceans of water early in its history.

Aug 12, 2022

ISRO Successfully Tests Gaganyaan Low Altitude Escape Motor from Andhra

In another important milestone in the Gaganyaan project, Indian Space Research Organisation (ISRO) successfully carried out the test-firing of the Low Altitude Escape Motor (LEM) of Crew Escape System, from Sriharikota, Andhra Pradesh.
The Crew Escape System (CES) takes away the Crew module of the Gaganyaan mission in case of any eventuality and rescues the astronauts. In case of mission-abort during the initial phase of flight, LEM provides required thrust to CES, to take away Crew Module from the launch vehicle.

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