Archive

Jupiter keeps observers’ busy during March

2 February 2015 Ade Ashford

The Solar System’s largest planet reached opposition on February 6th, but it’s still big and bright in the March sky. Here’s our quick guide to Jupiter at its best for 2015.

4 billion-year-old meteorite reveals Mars’ darker side

1 February 2015 Astronomy Now

A new spectroscopic analysis of “Black Beauty,” a 4.4 billion-year-old meteorite found in the Moroccan desert, has given scientists a better picture of the crust beneath Mars’ red dust.

Primordial gravitational waves remain elusive

31 January 2015 Astronomy Now

Despite earlier reports of a possible detection, a joint analysis of data from ESA’s Planck satellite and the ground-based BICEP2 and Keck Array experiments has found no conclusive evidence of primordial gravitational waves.

1st Feb: see the Moon occult λ Geminorum

31 January 2015 Ade Ashford

The current monthly cycle featuring occultations of naked-eye star Lambda Geminorum continues with an early evening event for the British Isles on Sunday, 1st February.

New discoveries from Rosetta put comet 67P in focus

30 January 2015 Stephen Clark

Scientists have released new findings from the European Space Agency’s Rosetta mission, adding fresh pages to a catalog of comet data that officials promise will swell with more discoveries over the rest of the year.

Cassini catches Titan naked in the solar wind

30 January 2015 Astronomy Now

Researchers analysing data from NASA’s Cassini spacecraft were able to study the effect of a powerful solar outburst on Saturn’s largest moon, Titan, when it was unprotected from a raging stream of energetic solar particles.

The tell-tale signs of a galactic merger

29 January 2015 Astronomy Now

NGC 7714 is a spiral galaxy in the constellation Pisces that drifted too close to its companion. The gravitational interaction has twisted its spiral arms out of shape, dragged streams of material out into space, and triggered bright bursts of star formation.