The Dawn spacecraft has almost reached the dwarf planet Ceres, and a lot more detail can be seen as it gets closer. The odd bright spots which have puzzled scientists for a long time now can also be seen more clearly for the first time. What was thought to be one spot in this crater is now obviously two close together. Are they exposed ice or some other material? Are they related to possible cryovolcanoes? Dawn was 46,000 kilometers (29,000 miles) away when it took this image on February 18, 2015.
dwarf planets
Getting closer! New Horizons sees two of Pluto’s smaller moons for first time
The New Horizons spacecraft, on course for a historic encounter with Pluto this summer, is now close enough to see two of its smaller moons for the first time. The new views also come 85 years after the discovery of Pluto by astronomer Clyde Tombaugh on Feb. 18, 1930.
Read MoreGetting closer! New Horizons sees two of Pluto’s smaller moons for first time
Water vapour discovered on dwarf planet Ceres
The dwarf planet Ceres, the largest body in the asteroid belt, is releasing water vapour into space, astronomers announced yesterday. The discovery, made by the European Herschel space telescope, is being called the first unambiguous detection of water vapour around any object in the asteroid belt and was published today in the journal Nature.
Dawn spacecraft departs asteroid Vesta, next stop: Ceres
With all of the news lately about the landing of the Curiosity rover on Mars, it might be easy to forget about the other missions …
Read MoreDawn spacecraft departs asteroid Vesta, next stop: Ceres