A YOUNG star not too far from Earth has performed the remarkable trick of
puffing out a spherical cloud of gas. This single event is forcing a rethink on
the whole theory of how stars form.
According to current ideas, every young star sits at the centre of a swirling
disc of gas and dust while at the same time spewing out matter at each pole in a
pair of narrow jets.
But a newly formed star 2000 light years from Earth in the constellation
Cepheus appears to have contradicted the theory by ejecting hot water vapour
evenly in all…
