Category Astronomy/Space

Cosmic rays interacting with the Earth’s atmosphere producing ions that helps turn small aerosols into cloud condensation nuclei — seeds on which liquid water droplets form to make clouds. A proton with energy of 100 GeV interact at the top of the atmosphere and produces a cascade of secondary particles who ionize molecules when traveling through the air. One 100 GeV proton hits every m2 at the top of the atmosphere every second. Credit: Illustration: H. Svensmark/DTU

Breakthrough in understanding of how cosmic rays from supernovae can influence Earth’s cloud cover and thereby climate...

An artist’s impression shows the first interstellar asteroid, ‘Oumuamua. Observations show that this unique object was traveling through space for millions of years before its chance encounter with our star system. Credit: ESO/M.Kornmesser

Scientists at Queen’s University Belfast have led worldwide investigations into a mysterious object that passed close to Earth after arriving from deep interstellar space. Since the object was spotted in October, Professor Alan Fitzsimmons and Dr Michele Bannister from the School of Mathematics and Physics at Queen’s University have led an international team of astronomers to piece together a profile of the strange visitor, which has been named `Oumuamua...

Snapshot of gravitational waves propagating from binary black holes merging inside of a star. Credit: Kyoto University, Joseph M. Fedrow

Far from earth, two black holes orbit around each other propagating waves that bend time and space. Gravitational waves was first predicted by Albert Einstein over a century ago on the basis of his theory of general relativity. And as always: Einstein was right. But it took until 2015 for the Laser Interferometer Gravitational-Wave Observatory to detect gravitational waves for the first time: findings which earned the LIGO team the Nobel Prize in physics two years later. In addition to the shockwave this discovery sent across the scientific community, it also gave researchers the new field of gravitational wave astronomy...

The airplane in which Flagship researchers performed experiment in microgravity. Operated by Novespace, the plane makes special maneuvers to create zero gravity conditions inside the plane. Credit: Graphene Flagship

In a successful collaboration between the Graphene Flagship and the ESA, experiments testing graphene for two different space-related applications have shown extremely promising results. Based on these results, the Flagship are continuing to develop graphene devices for use in space. “Graphene as we know has a lot of opportunities. One of them, recognised early on, is space applications, and this is the first time that graphene has been tested in space-like applications, worldwide,” said Prof...