News

NASA invites ESA to build Europa piggyback probe

11 April 2015 Stephen Clark

After walking away from a previously planned joint mission to Jupiter, NASA has asked the European Space Agency if it can furnish a lander or ice-penetrating probe for a rejuvenated U.S.-led robotic spacecraft to visit Jupiter’s moon Europa.

Observing

The Moon’s two-night encounter with Jupiter

29 March 2015 Ade Ashford

The waxing gibbous Moon passes close by the Solar System’s largest planet, Jupiter, on the nights of March 29th and 30th. Jupiter was at opposition last month, but it’s still big, bright and offers much to see in a telescope.

Observing

The Moon meets Jupiter in the evening sky

2 March 2015 Ade Ashford

The waxing gibbous Moon passes close by the Solar System’s largest planet, Jupiter, on the nights of March 2nd and 3rd. Jupiter was at opposition last month, but it’s still big, bright and offers much to see in a telescope.

Observing

Jupiter’s moon events enthral observers

2 January 2015 Ade Ashford

The continued edgewise orbital aspect of Jupiter’s large moons Io, Europa, Ganymede and Callisto means that they still regularly eclipse and occult each other. Multiple shadow transits also continue throughout January.