Ghost Nebula - a reflection nebula in the Cepheus constellation. It is located about 1500 light years away from Earth. It looks like a giant bird, ready to take flight! Photo credit: T. Rector/University of Alaska Anchorage, H. Schweiker/WIYN and NOAO
A Wolf-Rayet Bubble Nebula surrounds a Wolf-Rayet star. There are different types of WR-nebula, based on their formation mechanism: regions nebulae bubbles hydrogen voids and shells (may be assoc. The nebula shown is a 'wind-blown bubbles' type
One of the most difficult and wonderful concepts to get our mind around space is the distances. We have over 100 billion stars in the Milky Way alone. The closest is so far it would take of years to get there on the fastest rocket.