Massive Runaway Stars Create Fireworks in Deep Space

A new Hubble study revealed the existence of 14 previously-unknown runaway stars, speeding through the galaxy at enormous velocities for celestial bodies their size. They are followed by a huge trail of gases, which makes them resemble comets at first glance. Astronomers say that their trails... [ read more >> ]

These four speedy stars are plowing through regions of dense interstellar gas and creating brilliant arrowhead structures and trailing tails of glowing gas

Image comment: These four speedy stars are plowing through regions of dense interstellar gas and creating brilliant arrowhead structures and trailing tails of glowing gas
Image credits: NASA - Hubble's Advanced Camera for Surveys

These four speedy stars are plowing through regions of dense interstellar gas and creating brilliant arrowhead structures and trailing tails of glowing gas