South African Astronomical Observatory

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The latest in South African astronomy

Scientists using the MeerKAT radio telescope and the Southern African Large Telescope have combined forces for the first time to discover and identify a unique and previously-unseen flare of radio emission from a binary star in our Galaxy....

Astronomers using the Southern African Large Telescope (SALT), have measured the rotation of some of the largest spiral galaxies, spinning at up to 570 kilometres per second! Their rapid spin is a result of sitting within an extraordinarily massive cloud, or halo, of dark matter – invisible matter detectable only through its gravity. The largest “super spiral” studied here resides in a dark matter halo weighing at least 40 trillion times the mass of our Sun....

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Galaxies in the Universe

Open Night: Galaxies in the Universe

Dec 14 @ 8:00 pm - 10:00 pm

Members of the public are welcome to an Open Night at the SAAO in Cape Town on 14 December 2019, starting at 20h00. Dr. Fangxia An (UWC/IDIA) will present a talk titled Galaxies in the Universe. This will be followed by a tour of the site and (weather permitting) star gazing.

supermassive

Open Night: Observations of supermassive black holes

11th Jan 2020 @ 8:00 pm - 10:00 pm

Members of the public are welcome to an Open Night at the SAAO in Cape Town on 11 January 2020, starting at 20h00. Dr. Sarah White (SARAO) will present a talk titled Observations of supermassive black holes. This will be followed by a tour of the site and (weather permitting) star gazing.

black hole

Open Night: Do not go gentle into that good night

14th Mar 2020 @ 8:00 pm - 10:00 pm

Members of the public are welcome to an Open Night at the SAAO in Cape Town on 14 March 2020, starting at 20h00. Dr. Iniyan Natarajan (Rhodes University/SARAO) will present a talk titled Do not go gentle into that good night. This will be followed by a tour of the site and (weather permitting) star gazing.

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