A team of astronomers from Armagh Observatory and the University of Buckingham report that the discovery of hundreds of giant comets in the outer planetary system over the last two decades means that these objects pose a much greater hazard … Continue reading →
On September 14, 2015 at 09:50:45 UTC, for the first time in history, the two detectors of the Laser Interferometer Gravitational-Wave Observatory both observed a transient gravitational-wave signal. Based on previous simulations of possible observations, the Ligo Collaboration Team was able … Continue reading →
Stars form within clouds of gas and dust as they collapse under gravity. Over time, the surrounding dust particles acquire icy mantles which stick them together, forming icy snowballs which gradually grow to form larger-size rocks. Due to the rotation … Continue reading →
Astronomers have discovered what appears to be a large asteroid belt around the star Vega, the second brightest star in northern night skies. The scientists used data from NASAs Spitzer Space Telescope and the European Space Agencys Herschel Space Observatory, … Continue reading →