ABSTRACT The nature of the structure of the Orion Nebula has become clearer but more complex. Quantitative application of simple photoionization theory has allowed construction of a three‐dimensional ...
PDRs4All pointed Webb toward the Orion Bar, deep within the famous Orion Nebula, and collected a treasure trove of images and spectroscopic data. The main goal of the program is to unveil the ...
The Crab Nebula is an expanding remnant of a star's supernova explosion. Japanese and Chinese astronomers recorded this violent event nearly 1,000 years ago in 1054 AD, as likely ...
The camera flies through a star field against the backdrop of a Hubble like nebula. Several star clusters fly past, and the constellation of Orion can be seen in the middle. Celestial map of 30 zodiac ...
The pointing accuracy of the telescope is about 1″ rms, and a closed-loop tracking accuracy of ≲ 0″.07 rms has been achieved. Infrared images of the Orion Nebula covering 5′ × 5′, obtained with J, K″, ...