Comets and asteroids

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

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

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

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

In late October, my friend and I took a three-hour drive to Anza-Borrego Desert State Park in southern California. It’s a beautiful place for hiking and for unusual geological formations, and it compl