China's Lunar Probe Lands on Moon

China's lunar mission aiming to send 'robotic explorers' before 2020, landed its first satellite on Moon, as the Communist nation braces to compete in space technology with countries like US, Russia and India. the Lunar probe makes its impact on the Moon today.It represents the first step in the Chinese ambition to land robotic explorers on the moon before 2020.

The satellite ended its 16-month mission when it hit the lunar surface at 1.50 degrees south latitude and 52.36 degrees east longitude. The probe named as Chang'e-1 began to reduce its speed under remote control by two observation and control stations in east China's Qingdao and northwest China's Kashi.

This was the first phase of China's three-stage moon mission, which will lead to a landing and launch of a rover vehicle around 2012, the official Xinhua news agency reported.Chang'e-1 was launched into space on October 24, 2007 and sent the first full map of the moon's surface back to China one month later.A dozen performance tests were carried out while Chang'e-1 was in orbit to find out its orbit adjustment capability. "Chang'e" is named after a legendary Chinese moon goddess.

Exo Planet Super Neptune Discovered

Astronomers at the Harvard-Smithsonian Center for Astrophysics have discovered a planet somewhat larger and more massive than Neptune orbiting a star 120 light-years from Earth. While Neptune has a diameter 3.8 times that of Earth and a mass 17 times Earth's, the new world is 4.7 times the size of Earth and has 25 Earth masses.

Transit detections are particularly useful because the amount of dimming tells the astronomers how big the planet must be. By combining transit data with measurements of the star's "wobble" made by large telescopes like Keck, astronomers can determine the mass of the planet.A number of Neptune-like planets have been found recently by radial velocity searches, but HAT-P-11b is only the second Neptune-like planet found to transit its star, thus permitting the precise determination of its mass and radius.

The newfound world orbits very close to its star, revolving once every 4.88 days. As a result, it is baked to a temperature of around 1100 degrees F. The star itself is about three-fourths the size of our Sun and somewhat cooler.


HAT-P-11 is in the constellation Cygnus, which puts in it the field of view of NASA's upcoming Kepler spacecraft. Kepler will search for extrasolar planets using the same transit technique pioneered by ground-based telescopes. This mission potentially could detect the first Earth-like world orbiting a distant star. "In addition, however, we expect Kepler to measure the detailed properties of HAT-P-11 with the extraordinary precision possible only from space.

Is Mind Reading Possible?

The scientists demonstrate the ability to decode a person’s preference for one of two drinks with 80 per cent accuracy by measuring the intensity of near infrared light absorbed in brain tissue.

This new technique that uses infrared light brain imaging to decode preference with the goal of ultimately opening the world of choice to children who can’t speak or move.

“This is the first system that decodes preference naturally from spontaneous thoughts,”
After teaching the computer to recognize the unique pattern of brain activity associated with preference for each subject, the researchers accurately predicted which drink the participants liked best 80 per cent of the time.

Most brain-computer interfaces designed to read thoughts require training.
Wearing a headband fitted with fibre-optics that emit light into the pre-frontal cortex of the brain, they were shown two drinks on a computer monitor, one after the other, and asked to make a mental decision about which they liked more. “When your brain is active, the oxygen in your blood increases and depending on the concentration, it absorbs more or less light.”

“In some people, their brains are more active when they don’t like something, and in some people they’re more active when they do like something.”

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