The Horse Head Nebula is a cloud of ionized- hydrogen in the constellation Orion. The clouds are lit from within by young hot stars. The interstellar dust absobs the light from part of ionized cloud creating this beautiful contrast
A spectacular Hubble Space Telescope image reveals the heart of the Lagoon Nebula. Seen as a massive cloud of glowing dust and gas, bombarded by the energetic radiation of new stars, this placid name hides a dramatic reality. The Advanced Camera for.
And you thought your day was busy? we-are-star-stuff: A map of our galaxy the Milky Way, showing pulsars (red), planetary nebulae (blue), globular clusters (yellow), and the orbits of several stars. And yet our galaxy is a tiny place.
Neuron cell body with numerous synapses Neuron cell body (purple) with numerous synapses (blue). Communication from one neuron flows to another neuron across a synapse, the small gap separating neurons.