We tend to think of space as being void of all matter. However, the space between stars contains clouds of gas and dust. Typically, these clouds are diffuse, but sometimes, stellar processes concentrate the gas and dust into nebulae – some of which have very spooky shapes!
The Wizard nebula is a spell-binding example of an emission nebula.
The gases in the nebulous material are energised by the radiation from a group of young, hot stars at the centre, causing a ghoulish glow. Can you spot the sorcerers magical hat?
What is a wizard’s favourite lesson at school? Spelling!
The Witch’s Broom and Bat nebulae are part of the same supernova remnant, aptly called the Veil Complex.
It is an expanding cloud of gas and dust created by the spook-tacular, explosive death of a star. Can you see the witch sat upon her broom with her hair and robes fluttering in the wind, and the bat with its arched wings looking menacing?
Why was the witch’s broom late? It over swept!
The Cosmic Bat nebula is an eerily dark nebula which resembles a swooping bat amongst the stars.
It comprises dense clouds of interstellar dust, glowing with ghostly starlight from within, reflecting off the dust.
Why are bats like false teeth? They come out at night!
Boo-tiful nebulae such as these provide all the raw materials for the birth of new stars and planetary systems. They also provide many of the elements in our bodies, so you really are made of stardust!
Witching you all a happy Howl-oween!
What is a bats favourite hobby? Aerobatics!
Pictured top: The Cosmic Bat nebula (image credit: Mark Hanson and Mike Selby).
Dr Jean Dean