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

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

Earth’s orbit around the Sun is slightly elliptical, which means our distance from the Sun varies over the course of the year – and that brings effects that are fascinating to capture. The variation s