... Abstract . ... I.V. Holin (Space Research Institute of RAS (IKI)) . ... Space Research Institute of Russian Academy of Science (IKI)) . ... Skulachev, Dmitri P. (Space Research Institute of RAS (IKI)) . ... Elena Gavryuseva (National Institute of Astrophysics and Space Physics, Florence , Italy and Institute of Nuclear Research of RAN) . ... Dmitri Vainchtein (Space Research Institute of Russian Academy of Sciences) . ... Elena Surovyatkina (Space Research Institute of Russian Academy of Sciences) ....
Hubble Finds Oxygen Atmosphere On Jupiter's Moon Europa . Astronomers using NASA's Hubble Space Telescope (HST) have identified the presence of an extremely tenuous atmosphere of molecular oxygen around Jupiter's second moon, Europa . ... Europa's oxygen atmosphere is so tenuous that its surface pressure is barely one hundred billionth that of the Earth," said Principal Investigator Doyle Hall, of Johns Hopkins. ... The oxygen gas slowly leaks into space and must be replenished continuously. ...