News – Page 217 – Astronomy Now

Comet dust ionises Mars’ atmosphere

10 November 2014 Keith Cooper

A comet that flew close to Mars showered the red planet with fine cometary dust, according to observations by a trio of spacecraft.

Rosetta’s camera captures new ‘atmospheric’ view of comet

8 November 2014 Astronomy Now

Images of comet 67P/Churyumov–Gerasimenko from Rosetta’s navigation camera have taken on a darker, more “atmospheric” tone in recent days and the latest view is no exception.

Planet-forming disc around young star revealed in unprecedented detail

6 November 2014 Astronomy Now

A new image from ALMA, the Atacama Large Millimeter/submillimeter Array, reveals extraordinarily fine detail that has never been seen before in the planet-forming disc around a young star.

Curiosity Mars rover sees Comet Siding Spring pass by

6 November 2014 Astronomy Now

An animation of comet C/2013 A1 Siding Spring captured by NASA’s Curiosity Mars rover as the comet passed near the red planet.

Exozodiacal light presents challenge for direct imaging of exo-Earths

6 November 2014 Astronomy Now

An international team of astronomers has discovered exozodiacal light close to the habitable zones around nine nearby stars using the European Southern Observatory’s Very Large Telescope Interferometer.

Curiosity Mars rover finds mineral match with orbiter

5 November 2014 Astronomy Now

Reddish rock powder from the first hole drilled into a Martian mountain by the Curiosity rover has yielded the mission’s first confirmation of a mineral mapped from orbit.

Philae’s comet landing site named Agilkia

4 November 2014 Astronomy Now

With just over a week to go before touchdown, the landing site for Rosetta’s Philae probe has been named Agilkia, after an island on the Nile River in southern Egypt.

Astronomers solve puzzle about bizarre object at the centre of our galaxy

4 November 2014 Astronomy Now

The mystery about a thin, bizarre object in the centre of the Milky Way headed toward our galaxy’s enormous black hole has been solved by astronomers using the Keck Observatory.

Rosetta shifts into higher orbit to dispatch Philae lander on 12 November

1 November 2014 Astronomy Now

The European Space Agency’s Rosetta probe has shifted into a higher orbit around comet 67P/Churyumov-Gerasimenko in readiness for the release of its Philae lander on 12 November.

Hubble Space Telescope sees ‘ghost light’ from dead galaxies

30 October 2014 Astronomy Now

NASA’s Hubble Space Telescope has picked up the faint, ghostly glow of stars ejected from ancient galaxies that were gravitationally ripped apart several billion years ago.