October 2016
The dwarf galaxy problem
..., we are using data taken on the Canada France Hawaii Telescope in four colour bands. Having multiple bands is useful as some galaxies are brighter in some bands than others. For example, spiral galaxies have a lot of young, blue stars...
June 2018
Cosmic communications and the anthropology of outer space
...Virginia, USA, in the hope of capturing non-local, narrow band signals that might indicate a message sent from a distant civilization... show frequencies (measured in hertz) over time. A narrow band signal takes up a small slice of frequency, implying a...
28 January 2016
Historic Intelsat Satellite Launch Successful
...generation satellites into transfer orbit. Intelsat, a US and Luxembourg-based company, is expecting revenue growth as the Epic Ku-band high-throughput satellites appeal to new markets for mobile broadband. Ariane 5, launched from Guiana Space Center...
March 2015
Sky links: from multi-satellite systems to nano-launchers
...example of such a project. Further technological development may make this approach viable in higher frequency ranges – S-band, X-band, etc. In order to provide data reception from commercial ERS, it’s necessary to establish a global network of multi...
March 2017
Twinkle - a mission to unravel the story of planets in our galaxy
...is based on a 1 metre-class telescope and a spectrometer covering the mid infrared (from 1.2 to 7.8 micrometres), in addition to photometric bands in the visible and near-infrared that will allow it to monitor the stellar activity, measure the albedo...
August 2018
Measuring the pulse of Mars
...ground motion can be monitored: an ultra-sensitive ‘very broad band’ (VBB) instrument encased in a vacuum container and a short-...with a special radio antenna that provides both UHF and X-band functions. This critical EDL period is also known as ...
