Halloween In Space: Creepy Entities Discovered In The Universe
As Halloween approaches, we look to the mysterious depths of the universe and find ghostly apparitions, spectral hands, skulls, wizards and witches. Or at least these are the descriptions applied by NASA to the jaw-dropping observations they have made.
The Glowing Eye of Planetary Nebula NGC 6751. Astronomers using NASA's Hubble Space Telescope have obtained images of the strikingly unusual planetary nebula,NGC 6751. Glowing in the constellation Aquila like a giant eye,the nebula is a cloud of gas ejected several thousand years ago from the hot star visible in its centre.