New study finds Earth’s magnetic field that protects life from energetic particles from the sun and cosmic rays, could flip within a human lifetime. It can take just 100 years to flip. Image © ESA
This year the Royal Observatory’s annual Astronomy Photographer of the Year 2014 competition received a record 1700 entries.
A new catalogue of the visible part of the northern part of our home Galaxy, the Milky Way, includes no fewer than 219 million stars.
An impressive infographic comparison of optical telescope primary mirrors since 1893, to the European Extremely Large 39 meter Telescope at Cerro Armazones, in Chile, planned for 2022.