Over a decade ago, the ALPHA collaboration figured out how to create and trap anti-hydrogen atoms using magnetic fields to keep it away from the sides of a container.

This deep view of the Orion Constellation glows in reddish hues thanks to a filtered view of hydrogen alpha emission, a type of light emitted by hydrogen atoms. The large, intricate semi-circle ...

Captured in both HaOIII (hydrogen-alpha and oxygen-III bands) and RGB (red, green and blue) light, the image features a deep wide field view of Sh2-132 immersed in the glow of ionized hydrogen gas.

Manufacturer NASA Marshall Space Flight Center Summary Back-up film magazine (#5) for the H-alpha imaging telescope camera similar to one intended to be flown on the Apollo Telescope Mount for the ...