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Cosmologists show that universe is expanding uniformly

24 September 2016 Astronomy Now

The universe is expanding uniformly according to research led by University College London (UCL). The researchers studied the cosmic microwave background (CMB) which is the remnant radiation from the Big Bang. It shows the universe expands the same way in all directions, supporting the assumptions made in cosmologists’ standard model of the universe.

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Fossilised rivers suggest warm, wet ancient Mars

24 August 2016 Astronomy Now

Extensive systems of fossilised riverbeds have been discovered on an ancient region of the Martian surface on a northern plain called Arabia Terra, supporting the idea that the now cold and dry Red Planet had a warm and wet climate about 4 billion years ago, according to University College London-led research.

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Martian surface revealed in unprecedented detail

26 April 2016 Astronomy Now

The surface of Mars — including the location of Beagle-2 — has been shown in unprecedented detail by University College London scientists using a revolutionary image stacking and matching technique. The UCL researchers used the Super-Resolution Restoration (SRR) process to reveal objects at a resolution up to five times greater than previously achieved.

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First detection of a super-Earth exoplanet’s atmosphere

17 February 2016 Astronomy Now

For the first time astronomers were able to analyse the atmosphere of a super-Earth exoplanet. Using data gathered with the Hubble Space Telescope and new analysis techniques, the exoplanet 55 Cancri e some 40 light-years away is revealed to have an atmosphere consists mainly of hydrogen and helium without any indications of water vapour.