19 September 2014
When space probes, such as Rosetta and Cassini, fly over certain planets and moons, in order to gain momentum and travel long distances, their speed changes slightly for an unknown reason. A researcher has now analyzed whether or not a hypothetical gravitomagnetic field could have an influence. However, other factors such as solar radiation, tides, or even relativistic effects or dark matter could be behind this mystery.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Zn7dOlp9Odw/140919110526.htm
