But because the signals emanate from the crowded galactic plane, optical telescopes could not see which of many stars might be producing them.

Stephan's Quintet represents "a galactic crossroad where past collisions between galaxies have left behind a complex field of debris," which has now been reawakened by the passage of the galaxy, NGC 7318b.

By sorting truth from deceit, holding the adage that humanity’s greatest weapon is the lie, the Sisterhood wields influence throughout the galactic Imperium by inserting their representatives at the side of every ruler.

The first colonists would encounter a barren landscape without water or breathable atmosphere, bathed in deadly solar and galactic radiation from which Earthbound humans are protected by our planet’s atmosphere and magnetic field.

Now that the spacecraft is outside the Sun’s protective bubble, its electronics are also vulnerable to strikes from galactic cosmic rays, charged particles accelerated to ultrahigh energies by supernovae and other cosmic engines.