Recent observations of the helium star HD144941 have been obtained from space. Armagh astronomers Professor Simon Jeffery and Dr Gavin Ramsay have discovered that they show a light curve best explained by darker and lighter patches on the star’s surface coming into view as the star rotates with a period Read more…
The 2018 Robinson Lecture will be given by Professor Louise Harra of University College London. Her topic is about the Solar Orbiter, a new spacecraft to be launched to study the Sun. It will be held in the Archbishop’s Palace in Armagh on Wednesday 22 November, 2017, starting at 7pm. Read more…
On Aug 14th 2017 LIGO and the Virgo Gravitational Wave detectors based in the USA and Italy detected the fourth merging Black Hole event. This was a triumph for both groups, but especially the Virgo group which had only started taking regular data earlier that month. It did leave many Read more…
Gaia is a satellite launched by the European Space Agency (ESA) on 19 December 2013. It is essentially a census gathering information on over one billion stars, totalling an amazing 1% of the galaxy’s total population, measuring their positions, motion, brightness and colour. Gaia’s primary objective is to create the Read more…
While suspicion, fear, and fantasy, at times were closely associated with the Cold War period in terms of how the USA and the USSR viewed one another’s respective actions, it became clear that space projects were not exempt from this mutual scrutiny either. One such project which did little to Read more…
“Man must rise above Earth, to the top of the atmosphere and beyond, for only thus will he fully understand the world in which he lives” Socrates (circa 399BC). Of course the philosopher Socrates would not have been thinking about satellites or spacecraft at this time, but his famous quote Read more…
Although the concept of something being “there” but being hidden from our eyes under the cover of darkness is one that has disturbed usually one or other of us once upon a time, when it comes to space it’s hard to find an idea that thrills scientists and astronomers more. Read more…
There are thought be thousands of satellites in working order in orbit around the Earth. If the count was to include all Earth satellites including broken parts and discarded pieces, there are thought to be 21,000 pieces of space junk greater than 10cm across up there. If we include fragments Read more…
Gleaned from NASA and Hubblesite.org, here are some facts you may not know about the Hubble Space Telescope (HST). 1. The HST’s history is longer than you might have thought, going back to just after World War II. In 1946, the astronomer Lyman Spitzer (1914-97) identified the main advantages Read more…