..., before another craft will cross this boundary again and although Voyager 1 has been edging into interstellar space at rate of ~3 au yr–1, neither can continue indefinitely as they will eventually run out of power. It is unclear when or if a follow...
... these characteristics can only be explained if these travellers started life elsewhere. But, unlike the recently identified interstellar visitors ‘Oumuamua, and comet 21/Borisov, which are just passing through our Solar System without stopping...
... had been recorded. In the weeks that followed scientists scrambled to the telescopes to get a better look at the interstellar interloper and observations now show that this unique object appears to be a dark, reddish, highly-elongated (around...
...interloper, which soon became identified as the second known interstellar object to visit our Solar System, comet 2I/Borisov. ...observable for months. Keeping a close eye on this interstellar interloper are two separate teams headed by Dennis Bodewits ...
... future but thinking about the problems to be addressed can bring intellectual fruits today. It also helps to classify interstellar travel projects on a scale of their realism, which usually correlates well with the level to which a particular travel...
...both NASA and DARPA. It was abundantly clear that governments - at least the US Government - placed a low priority on interstellar flight. However, private sponsorship of space endeavours is growing and, in the past few years, we have seen increasing...