Archive: 16/06/2011

How much do binary stars shape planetary nebulae?

Planetary nebulae come in a dazzling array of shapes, from spherical shells of gas, to blobby structures barely containing symmetry at all. Controversy has surrounded the cause for this diversity. Could it be magnetic fields, ...

dateJun 16, 2011 in Astronomy
shares0 comments 0

Countering contamination for Mars spacesuits

To search for life on Mars, future astronauts would naturally want to step outside their living habitat for a walk. But the spacesuits keeping them alive might also carry Earth microbes or ingredients of life that could contaminate ...

dateJun 16, 2011 in Space Exploration
shares0 comments 5

Ovation for a stellar senior

Residing in space 6500 light-years away in the constellation of Cepheus, an aged star designated as IRAS 22036+5306 is making its final curtain call. Its stellar play is ending and its making the transition through the protoplanetary, ...

dateJun 16, 2011 in Astronomy
shares0 comments 1

The Port of Athens was once an island

Piraeus, the main port of Athens, was an island from 4 800 – 3 400 BC, in other words 4 500 years before the Parthenon was built on the Acropolis. This discovery was made by a French-Greek team led by Jean-Philippe Goiran, ...

dateJun 16, 2011 in Earth Sciences
shares0 comments 1

Where have all the dodos gone?

Biology professor Beth Shapiro is one part laboratory scientist and one part Indiana Jones style adventurer, traveling to remote locations to find fossilized bones and eggshells of ancient animals and extract their ancient ...

dateJun 16, 2011 in Other
shares0 comments 0