Since the 1980s, a strange X-ray emission has puzzled astronomers. At the heart of the Helix Nebula, a dying star may have ...

A new image from the James Webb Space Telescope shows a stunning and fashionable sight: the Sombrero Galaxy, named for its resemblance to the traditional Mexican hat. With its wide, flat shape ...

This Hubble mosaic is the highest resolution image ever made of the entire Crab Nebula, which is located 6,500 light-years away. These opaque, dark knots of gas and dust called "Bok globules" are ...

The Eagle Nebula is a beautiful cloud of gas and dust in space, where new stars are born. NASA has captured some stunning and rare images of this nebula, showing its glowing colors and mysterious ...

It’s a combination object that pairs open cluster NGC 2467 with emission nebula Sharpless 2–311. The magnitude 7.1 cluster appears as little more than a spray of randomly distributed stars ...

Explore HubbleHubble HomeOverviewAbout HubbleThe History of HubbleHubble TimelineWhy Have a Telescope in Space?Hubble by the ...

The bright variable star V 372 Orionis takes center stage in this Hubble Space Telescope image, which has also captured a smaller companion star in the upper left of this image.

The soft light from a nebula may also come from the ambient radiation released by the nebular cloud itself. This type of cosmic cloud is known as an emission nebula. One of the most famous is the ...

We consider independent methods of determining ion abundances for emission nebulae, comparing ion emission measures with column densities derived from resonance absorption lines viewed against the ...