What is Radio Astronomy?

Our view of the cosmos is biased by the vista that is apparent to our eyes.  This is what the view in what we call the optically visible portion of the spectrum. To the unaided eye it is a view of a universe full of stars, together with five planets, one Moon and of course the Sun. When augmented with a telescope, our eyes can then see a universe full of galaxies – giant cities of stars.

July Weather Roundup

Armagh Observatory, 3rd August 2018: Armagh Observatory reports that July 2018 was much warmer and sunnier than average, with only slightly less than average total rainfall. The mean temperature was 17.0 degrees Celsius (62.6 Fahrenheit), approximately 2.2 C warmer than the long-term (1796–2010) average July temperature at Armagh and 1.2 C warmer than the most recent (1981–2010) 30- year average. This was the warmest July at Armagh for five years. The warmest day (highest maximum air temperature) was 27.1 C, which occurred on the 4th, followed by 26.7 C on the 22nd. Both these maxima wereslightly more than 80 degrees Fahrenheit. The coldest day (lowest maximum air temperature) was 14.4 C on the 11th. The coolest night (lowest minimum air
temperature) was 7.6 C on the 10th, and the warmest night (highest minimum air temperature) was 16.6 C on the 27th followed closely by 16.5 C on the 23rd. The minimum grass temperature was 0.3 C on the 10th, so there were no ground or air frosts.

Celebrating the Planetarium’s 50th Anniversary: Lindsay’s great legacy

Article written by: Professor Michael Burton, Director of Armagh Observatory and Planetarium The city of Armagh lays claim to a remarkable history that belies its small size. A history stretching from the neolithic era, and the mythology of Emain Macha (the ancient capital of Ulster), through the City’s Christian foundation Read more…

image of La Silla

Looking Up from the South: The Amazing European Southern Observatory

The European Southern Observatory (ESO) is an intergovernmental research organisation for astronomy which is supported by fifteen countries. Established in 1962 it operates some of the most technologically advanced telescopes in the world. Their mission is to provide state-of-the-art research facilities to astronomers and astrophysicists, allowing them to conduct front-line Read more…