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Orpington Astronomical Society

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The new measurements clearly reveal an effect called gravitational redshift. Light from the star is stretched to longer wavelengths by the very strong gravitational field of the black hole. #ESOlive Artist's impression: @ESO /M. Kornmesser socsi.in/b8t1t

11:10 pm · 2018 Jul 28th ·

Retweeted by O.A.S.

The team used #SINFONI to measure the velocity of S2 towards & away from Earth and #GRAVITY to make precise measurements of the changing position of S2 in order to define the shape of its orbit. #ESOlive socsi.in/y7z82 pic.twitter.com/XVnS…

11:09 pm · 2018 Jul 28th ·

Retweeted by O.A.S.

Thanks to ESO's instruments and the passing of star S2 near the black hole at the centre of our galaxy, astronomers had the ideal black hole laboratory. #ESOlive Artist's impression: @ESO /L. Calçada/spaceengine.org socsi.in/qUjOV

11:09 pm · 2018 Jul 28th ·

Retweeted by O.A.S.

The discovery announced today is the very exciting result of a remarkable partnership between ESO, Member States and host country, as well as between scientists across the globe. #ESOlive socsi.in/oa0LX

11:09 pm · 2018 Jul 28th ·

Retweeted by O.A.S.

#ESOblog Eyeing the Centre of the Milky Way – astronomer Stefan Gillessen discusses what we knew before the latest observations of S2 Credit: @ESO /L. Calçada/spaceengine.org socsi.in/Y0Jcf pic.twitter.com/PXJ3…

11:08 pm · 2018 Jul 28th ·

Retweeted by O.A.S.

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Next Meeting

Damien Peach
- High Resolution Planetary Imaging
- St Francis of Assisi Church Hall
- 19:30 - 22:00
- Wed 22nd Aug 2018

Next Observing

Tue 18th Sep 2018
- 20:00 - 23:00
- Observing Evening
- Otford Village Memorial Hall
Fri 5th Oct - Sun 7th Oct 2018
- Deep Sky Camp
- Cairds Campsite
Tue 16th Oct 2018
- 20:00 - 23:00
- Observing Evening
- Otford Village Memorial Hall

Latest Reports

How Special is Our Solar System – July 2018
May 2018 Observing Report
April 2018 Observing Report

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