Numbers, please! 110 celestial objects in the Messier catalog
The Messier catalog, popular with amateur astronomers, was actually just a by-product of comet hunting. The aim was to avoid ...
Hosted on MSN2mon
What Is a Nebula?
Since then, thousands more have been identified and described in surveys like the Abell Catalog of Planetary Nebulae and the Messier catalogue. Nebulae are mostly found within galaxies ...
The Debrief2d
James Webb Space Telescope Reveals Mysterious Structures Encircling Planetary Nebula NGC 1514
Stunning James Webb Space Telescope images reveal new details about a pair of mysterious infrared rings around planetary ...
JSTOR Daily6y
The Masses of the Progenitors of Planetary Nebulae
ABSTRACT Bipolar, elliptical, and circular planetary nebulae appear to be possessed of differing Galactic scale heights, a feature which is usually assumed to arise from the differing distributions ...
Hosted on MSN1y
JWST data show intense bursts of radiation are vaporizing parts of a young star's disk in the Orion Nebula
In order to improve and expand this understanding, Berne and colleagues have been granted further time on JWST to build a catalog of similar protoplanetary disks in the Orion Nebula. Astronomers ...
JSTOR Daily6y
Analysis of Internal Motions in the Halo Planetary Nebula H4‐1
ABSTRACT Up to now, 10 planetary nebulae have been regarded as halo planetary nebulae (halo PNe). We obtained low‐ and moderate‐dispersion spectra of the spatially resolved halo planetary nebula H4‐1 ...