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Black Holes: Illuminations, Can we imagine photographing a black hole? (1992) (obspm.fr)
1 point by marbu 86 days ago | past
TFCat: JSON Implementation of Time-Frequency Radio Catalogues (obspm.fr)
1 point by teleforce 9 months ago | past | 1 comment
No leap second will be introduced at the end of December 2020 (obspm.fr)
31 points by fanf2 on July 7, 2020 | past | 1 comment
The star Betelgeuse has a rotation period of about 30 years (obspm.fr)
1 point by sohkamyung on Jan 18, 2018 | past
A positive leap second will be introduced at the end of December 2016 (obspm.fr)
1 point by apaprocki on July 7, 2016 | past
A positive leap second will be introduced at the end of June 2015 (obspm.fr)
203 points by TheSwordsman on Jan 5, 2015 | past | 109 comments
SageManifolds: differential geometry and tensor calculus with Sage (obspm.fr)
1 point by clebio on Aug 6, 2014 | past
No leap second will be added tonight (obspm.fr)
136 points by ColinWright on June 30, 2014 | past | 76 comments
June 30th 2012 will be 1 second longer: 23:59:60 (obspm.fr)
297 points by sirwitti on June 14, 2012 | past | 83 comments

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