Transport for Wales has been working on its Heart of Wales line, which connects Swansea to Shrewsbury.
NASA’s Hubble Uncovers Rare White Dwarf Merger Remnant
An international team of astronomers has discovered a cosmic rarity: an ultra-massive white dwarf star resulting from a white dwarf merging with another star, rather than through the evolution of a single star. This discovery, made by NASA’s Hubble Space Telescope’s sensitive ultraviolet observations, suggests these rare white dwarfs may be more common than previously […]