October 9, 2016

Sequence of interactions between V Hydrae and its companion that cause the ejection of plasma blobs (Image NASA, ESA, and A. Feild (STScI))

An article published in “The Astrophysical Journal” describes a research on the huge plasma blobs ejected by the red giant star V Hydrae. A team of astronomers led by Raghvendra Sahai of NASA’s JPL used the Hubble Space Telescope to study this phenomenon and concluded that the plasma blobs come from another star, a companion of V Hydrae that we can’t see.