The stars are surrounded by diffraction spikes, which are the starburst-like radiating lines that appear around bright objects on telescope images. The stars follow a nine-year orbit and are ...

The NSO described the sun as "a plasma laboratory right on our doorstep" and said that the VTF's image gives promise that ...

Well, any of us who has ever looked through a telescope could say the same, for the two principal types in use today were developed by giants: the refractor ... lens so that light entered that ...

Early telescopes were all refracting telescopes of the kind Galileo ... Optical telescopes improved that ability by taking visible light, magnifying and focusing it, so we could better see the ...

The U.S. National Science Foundation Daniel K. Inouye Solar Telescope, the world's most powerful solar telescope, operated by ...

there is a zoomed-in box taken in infrared light by the James Webb Space Telescope, and showing the star-forming Sagittarius C region. An estimated 500,000 stars are visible in this image of the ...