Andromeda galaxy

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Noun1.Andromeda galaxy - a spiral galaxy in the constellation of Andromeda that is visible to the naked eyeAndromeda galaxy - a spiral galaxy in the constellation of Andromeda that is visible to the naked eye
spiral galaxy, spiral nebula - a galaxy having a spiral structure; arms containing younger stars spiral out from old stars at the center
References in periodicals archive ?
For example, astronomers once referred to spirals like M31 in Andromeda as "late-type galaxies," because they were thought to evolve from elliptical galaxies.
In a statement Thursday, NASA ascribed the finding to the black holes photobombing images of Andromeda (also called M31, after its position in the Messier catalog of non-cometary objects) that were taken by the agency's Chandra X-ray Observatory, as well as optical data collected from Earth-based telescopes in Hawaii and California.
At Bauma, Kaeser Compressors' portable compressed air tower featured M31 models with PE enclosures.
TEHRAN (FNA)- In an intensive citizen-science-aided survey of Hubble telescope images of 2,753 young, blue star clusters in the neighboring Andromeda galaxy (M31), astronomers have found that M31 and our own galaxy have a similar percentage of newborn stars based on mass.
Among the topics are the life and work of Hilmar Duerbeck, the M31 nova progenitor population, some aspects of optical observations of novae, the multi-dimensional modeling of nova outbursts, the nature of the symbiotic recurrent nova V407 Cygni, and the Large Observatory for X-ray timing (LOFT) as a candidate for an X-ray mission for the next decade.
Therefore, there will be moderate fog on M11 and M22, dense on M12, shallow on M21 and dense and moderate on M23 and M31 on the Motorway while moderate on N51, N54A and , shallow on N52A, N52B, N53A, N53B, N53C, N54A and N54B on the National Highway.
His thesis under Walter Baade was on a massive study of novae in M31 which was highly significant for the use of novae as distance indicators.
M31 is tilted almost edge-on to our line of sight, so we see it as a highly elongated oval instead of a round disk with clearly defined arms.
We were fortunate on Saturday evening to have clear skies and many people resisted the temptations of the bar to observe and image Comet PanSTARRS, which at that time was conveniently close to M31.
Earlier observations of the area between M31 and M33 suggested the presence of colder, neutral hydrogen, but we couldn't see any details to determine if it had a definitive structure or represented a new type of cosmic feature.
TSMC has chosen eMemory as its partner on silicon IPs for embedded non-volatile memory chips and M31 as partner on IPs for 40nm USB 3.
The galaxy is just about visible to the naked eye from a reasonably dark sky M31 is arguably one of the most distant object visible to the naked eye at 2.