General Awareness

SCIENCE & TECHNOLOGY - May 2015

May 2015

Aug 10, 2017

Black Holes in Milky Way

Black holes and their behaviour have long since been no less than an enigma for scientists to decipher.
In a new development, scientists have said that the Milky Way may be home to as many as 100 million black holes.

Four Earth-sized Planets Discovered

TRAPPIST-1 – scientists have discovered four Earth-sized planets orbiting the nearest Sun-like star. They are approximately 12 light-years away.
Two of the planets are super-Earths located in the habitable zone of the star.
The planets have masses as low as 1.7 Earth mass, making them among the smallest planets ever detected around nearby Sun-like stars.

Aug 09, 2017

Fastest Ever Light Pulse

Beating its own record set in 2012, scientists have demonstrated the fastest light pulse ever developed – a 53-attosecond X-ray flash.
The previous record was a 67-attosecond extreme ultraviolet light pulse.
An attosecond is unimaginably fast at one-quintillionth of a second.

Aug 04, 2017

Exoplanet with Glowing Water Atmosphere

For the first time, scientists have discovered glowing water molecules in the atmosphere of a planet outside our solar system.
It is the strongest evidence to date for a stratosphere on a planet outside our solar system, or exoplanet.
The planet called WASP-121b is a gas giant exoplanet commonly referred to as a hot Jupiter.

Aug 03, 2017

Sun's Core Rotates Faster Than Its Surface

NASA's Solar and Heliospheric Observatory (SOHO) and the European Space Agency (ESA) have come across a big discovery that involves the interior of the sun.
Solar scientists have found evidence of a type of seismic wave in our sun. Also called g-modes, these low-frequency waves reveal that the solar core is rotating some four times faster than the solar surface.
The rotation of the solar core may give a clue to how the sun formed.

Aug 01, 2017

Material To Convert CO2 into Fuel

Scientists have developed a material that can help convert carbon dioxide into fuel and other energy-rich products using light without generating unwanted byproducts. The achievement marks a significant step forward in developing technology that can generate fuel, while mitigating levels of a potent greenhouse gas using solar power.
When exposed to visible light, the material, a “spongy” nickel organic crystalline structure, converted carbon dioxide (CO2) into carbon monoxide (CO) gas, which can be further turned into liquid fuels, solvents, and other useful products.

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