... short. Its companion, V1, the only other human-made spacecraft to have ventured as far, passed over into interstellar space six years earlier in 2012 at a distance of 121.6 au (18.3 × 109 km). Voyager 2’s encounter with the boundary has long been...
... the Voyager 1 spacecraft after 37 years without use; quite a feat considering the frigid and hostile environment of interstellar space where the spacecraft is currently located. For the past three years, engineers have noticed that the...
..., Voyager 2 crosses the protective bubble of the heliosphere surrounding the planets and ventures into the realm of interstellar space to join with its twin, Voyager 1. The trailblazing spacecraft is now slightly more than 18 billion kilometers...
... its dark surface is now reddened due to the effects of irradiation from cosmic rays as it has been traversing interstellar space. In fact our Solar System could be the first star system that `Oumuamua has closely encountered since...
... setting off a chain-reaction of events that could result in our Solar System being kicked out into interstellar space. The Milky Way, like many galaxies of its size, is surrounded by a number of smaller satellite galaxies that generally...
...all fundamental constituents of life are present not only on many smaller celestial bodies, but also in interstellar space. The scientific search for extraterrestrial life, known as astrobiology, has developed recently into an important international...