Jupiter – Page 18 – Astronomy Now

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.

New interactive website tools for observers

8 December 2014 Ade Ashford

Astronomy Now Online brings you a powerful interactive global Almanac and UK-based all-sky star maps — the first of a new suite of tools to help plan your observing sessions and travel.

Jupiter’s moon dance and shadow play to delight observers

3 December 2014 Ade Ashford

The orbits of Jupiter’s large Galilean moons Io, Europa, Ganymede and Callisto are presently almost edge-on to our line of sight, causing the moons to regularly eclipse and occult each other. Multiple shadow transits are also on view!

NASA's reworked image of Europa based on late 1990s data from the Galileo spacecraft.

NASA’s ‘remastered’ view of Europa

21 November 2014 Astronomy Now

NASA uses modern processing techniques to rework a mosaic of images sent back by the Galileo spacecraft in the late 1990s, delivering a high-resolution view of this icy ocean world in natural colours.

Jupiter’s ‘sunburnt’ Great Red Spot

12 November 2014 Astronomy Now

A new analysis of data from NASA’s Cassini mission in combination with lab experiments contradicts the leading theory that the striking colour of Jupiter’s Great Red Spot is due to reddish chemicals upwelling from below.

Spooky shadow play gives Jupiter a giant eye

28 October 2014 Astronomy Now

Just in time for Halloween, the Hubble Space Telescope has revealed a spooky view of Jupiter’s Great Red Spot staring back at Earth.

Mighty Jupiter meets the Moon in the early morning

15 October 2014 Mark Armstrong

The coming together of a bright planet with a thin crescent Moon is an event well worth seeing, even if you have to set the alarm clock for an early wake up.

Venus buzzes Regulus in the dawn sky

3 September 2014 Peter Grego

Venus has a close encounter with first magnitude star Regulus, constellation Leo’s luminary, in the dawn twilight on the mornings of 5 and 6 September.