When we’re talking about the Moon, the term ‘promontorium’ describes a headland or cape, an outcrop of rock standing above the surrounding surface. One prominent example can be seen where 650km Mare S

The angle the ecliptic makes with the western horizon around sunset is maximised at this time of year, which gives us a good view of any of our Solar System neighbours positioned on the eastern side o

It’s an exciting time to be a space fan! If Artemis II launches in March (having been pushed back from a February launch due to fuelling issues), humans will be going back to the Moon for the first ti

It’s the start of another great day on your holiday. After enjoying breakfast under your awning, basking in the early morning sunshine, you head off sightseeing. Maybe you had a lovely day spent wande

1 Mar 00:00 AEDT (28 Feb, 13:00 UT) 15 Mar 23:00 AEDT (12:00 UT) 31 Mar 22:00 AEDT (11:00 UT) The chart accurately matches the sky on the dates and times shown for Sydney, Australia. The sky is differ

1 Sunday Ganymede disappears into Jupiter’s shadow at 19:48 UT, reappearing again at 23:11 UT. 5 ◀ Thursday From now until 26 March is the optimum time for this month’s Deep-Sky Tour (page 56) of obje