General Awareness

SCIENCE & TECHNOLOGY - May 2015

May 2015

Aug 19, 2015

Cassini Spacecraft Zip past Saturn's Moon Dione

NASA’s Cassini spacecraft zipped past Saturn’s moon Dione for its last time, in search of direct evidence that the moon is geologically alive and active.
During its mission to Saturn, Cassini has flown close to the icy moon Dione four times.
Cassini’s cameras and spectrometers will offer NASA scientists a high-resolution look at Dione’s North Pole from this flyby. The data will give scientists better knowledge of the moon’s internal structure.
Cassini’s closest-ever flyby of Dione was in December 2011, at a distance of 60 miles.

Aug 17, 2015

Cells in Mice Restore Liver Damage

In a breakthrough discovery, medical researchers have discovered a type of cell in mice which restores liver damage without the risk of cancer.
Similar cells have also been found in humans.
When healthy liver cells are depleted by long-term exposure to toxic chemicals, the newly discovered cells, known as hybrid hepatocytes, generate new tissue more efficiently than normal liver cells.

Aug 14, 2015

Young Jupiter Discovered

Astronomers have discovered a planet 100 light years away that looks a lot like Jupiter once did and may offer new insights on how planets are formed.
Known as 51 Eridani b, it is the first exoplanet detected by a new instrument called the Gemini Planet Imager.
The star it circles, 51 Eridani, is just 20 million years old, fairly young considering the Sun is about 4.5 billion years old.
The planet is twice the size of Jupiter, the largest planet in our solar system. It contains the strongest methane signature ever detected in the atmosphere of an alien planet.
Its temperature is estimated to be about 800 degrees Fahrenheit.

Aug 13, 2015

Smallest Super Massive Black Hole

Astronomers using NASA’s Chandra X-ray Observatory have identified the smallest super-massive black hole ever detected in the centre of a galaxy.
It is estimate that this super massive black hole is about 50,000 times the mass of the sun.
This is less than half the mass of the previous smallest black hole at the centre of a galaxy.

Aug 12, 2015

ISS Cosmonauts Successfully Complete Spacewalk

Two Russian cosmonauts serving aboard the International Space Station completed a spacewalk without incident.
Gennady Padalka and Mikhail Kornienko spent 5 hours, 31 minutes outside the craft.
Padalka, made his ninth spacewalk, while it was the second excursion for Kornienko.

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