Back to Article List June 24, 1881: First photographic spectrum of a comet Today in the history of astronomy, the groundwork is laid for future comet hysteria.

Jun. 25—Rocky Mountain National Park staff and volunteers invite the public to join them the east side of the park at Park & Ride Parking Area for an "Astronomy in the Park" program this Friday.

Signs of planet formation may appear earlier than expected around still-forming baby stars, according to new results of higher resolution images produced using new improved techniques to reanalyze ...

He captured the first photographic spectrum of a comet, and later analysis of the imagery revealed cyanogen emissions at certain wavelengths. This evidence showed that comets emit their own light ...