Space and astronomy digest: April 2015

The April digest of upcoming space and astronomy events. Highlights this month include the annual meeting of the European Geosciences Union.   10 April: Accretion States and Feedback: Royal Astronomical Society, Burlington House, London The compact remnants of stars i.e. white dwarfs, neutron stars and stellar-mass black holes, all have strong gravitational fields that means they can pull in or 'accrete' the matter around them. The different 'states' of accretion can be identified from the way ...