Sydney Observatory

December 2019 night sky audio guide, transcript and sky chart

December 3, 2019

Museum of Applied Arts and Sciences
To help you learn about the southern night sky, Sydney Observatory provides an audio guide/podcast, transcript of that audio, and a sky map or chart each month. This month’s guide is presented by Geoffrey Wyatt, Sydney Observatory’s Astronomy Programs Producer.

Terraforming Mars?

March 2, 2019

Andrew Jacob

Questions on a Night Tour inpsire thoughts of terraforming Mars

Sydney Observatory’s Geoff Sims is on his way back from the South Pole

January 24, 2013

Geoff Wyatt
Return from Ridge A We have recently returned from 6 days / 5 nights camping on the high Antarctic plateau at a place known as Ridge A: the driest and possibly coldest place on Earth. Our mission was to refuel and refurbish an existing robotic observatory (the Plateau Observatory; PLATO), which supplies power and communications to a 0.6 m terahertz telescope (the High Elevation Antarctic Terahertz telescope; HEAT).

Letter by H C Russell, 30 December 1870

December 30, 2008

230 Sydney Observatory 30 Dec 1870 Sir I have to acknowledge with thanks the receipt of Vol II Part II and Vol V annals of the Observatory at Harvard College. I have the honor to be Your obedient servant H C Russell Govt Astronomer J Winlock Esqre Director of Harvard College Observatory 30 Decr 70 Sir I have the honor to acknowledge with many thanks the receipt of Donations of Books from the Smithsonian Institution.

Welcome to historical letters from Sydney Observatory

June 4, 2008

The documents presented in this blog are copies - mostly of letters written by Sydney Observatory Government Astronomers. One or more is being posted every day for a year in an ‘on this day’ format from 5 June 2008 - the date Sydney Observatory turns 150.