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A graphic of Mercury’s internal structure. Credit: Antonio Genova

Evidence on Mercury’s inner core is indeed solid

In order to explore the interior of a planet, planetary scientists usually observe the planet spins and then measure how their probe orbits it....
This artist’s impression shows how the newly discovered super-Earth surrounding the nearby star GJ1214 may look. Discovered by the MEarth project and investigated further by the HARPS spectrograph on ESO’s 3.6-metre telescope at La Silla, GJ1214b is the second super-Earth exoplanet for which astronomers have determined the mass and radius, giving vital clues about its structure. It is also the first super-Earth around which an atmosphere has been found. The exoplanet, orbiting a small star only 40 light-years away from us, thus opens dramatic new perspectives in the quest for habitable worlds. The planet, GJ1214b, has a mass about six times that of Earth and its interior is likely mostly made of water ice. It appears to be rather hot and surrounded by a thick atmosphere, which makes it inhospitable for life as we know it on Earth.

Another Mercury, but great as the Earth

Scientists have discovered a planet very similar in size to Earth at a distance of 340 light years. According to them, it could clarify the peculiarities...
Cooking up New Ways to Clean up our Planet

Cooking up New Ways to Clean up our Planet

In the aim of clean up our planet, scientists have formulated a way of using waste cooking oil and sulphur. By using these materials, they...
A foam filter made with used coffee grounds removes lead and mercury from contaminated water. Credit: American Chemical Society

Coffee-infused foam removes lead from contaminated water

As we all know, coffee is one of the most popular drink. But it creates lots of waste from used grounds. So, scientists found a...