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V838 Monocerotis
NASA Hubble Telescope views of a space phenomenon called a light echo. Light from a star that erupted nearly 5 years ago continues propagating outward through a cloud of dust surrounding the star. The light reflects or "echoes" off the dust and then travels to Earth.
Eta Carinae
On the brink of destruction,
Eta Carinae is highly unstable and prone to violent outbursts. The last of these occurred in 1841, when despite being over 10,000 light years away, Eta Carinae briefly became the second brightest star in the sky.
Eagle Nebula
Appearing like a winged fairy-tale creature poised on a pedestal, the Eagle Nebula is actually a billowing tower of cold gas and dust rising from a stellar nursery. The soaring tower is 9.5 light-years or about 90 trillion km high, about twice the distance from our Sun to the next nearest star.
Reflection Nebula NGC 1999
In the constellation Orion.
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