Comets and asteroids

1 Dec 00:00 AEDT (30 Nov, 13:00 UT) 15 Dec 23:00 AEDT (12:00 UT) 31 Dec 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

The comet dubbed 3I/ATLAS, a rare extrasolar intruder, continues to barrel through the Solar System, attracting interest and speculation from astronomers and space scientists worldwide. Harvard astron

Astronomers are now regularly detecting planets thousands of light years from Earth – but have we missed one in our own Solar System?

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

BEST TIME TO SEE: As shown Jupiter is a magnificent planet to observe. Through the eyepiece, it presents a tangible disc full of detail. Weather and local seeing effects can reduce the visibility, but

An artist’s impression of Cha 1107-7626 accreting material ...