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assessed using the Hubble scheme: Probably the earliest classification of galaxies "is based on the forms of the photographic images." "About 3 per cent are...

The "star formation process happens very quickly and in regions of the Galaxy that are difficult to study observationally." Nonaxisymmetric "magnetic...

travel with velocities so high that they exceed the escape velocity of the Galaxy." "A multinational team of astronomers led by Dr Stephan Geier from the...

Astrophysics: 19. http://arxiv.org/abs/1403.1275. Retrieved 2014-04-17.  The Daily Galaxy via the Alma Observatory (March 7, 2014). Beta Pictoris: A Young, Violent...

analogue of electrons at the level of galaxies. However the ratio of the minimum galaxy mass of a normal galaxy to the mass of a typical globular cluster...

much larger gravitationally bound structure, such as a star cluster or a galaxy. Historically, stars have been important to civilizations throughout the...

JWST will be in order to understand the initial stages of the universe, galaxy formation as well as the formations of stars and planets, and the origins...

Van Eck et al. 2003). This has modified the estimates of the amount of s-lead produced in the Galaxy before the birth of the Sun (Gallino et al 1998), and...

binaries and multiple gaseous object systems including clusters, galaxies, and galaxy clusters. Stellar classification is a classification of stars based...

size of Jupiter. Stars/Nova-likes Michelle Starr (12 August 2019). "Our Galaxy's Supermassive Black Hole Has Emitted a Mysteriously Bright Flare". Science...

the interstellar medium (the hydrogen and helium gas that permeates the galaxy) by the solar wind. Although electrically neutral atoms from interstellar...

galaxies for each redshift bucket with a uniform distribution, and computing the number of visible galaxies (those not covered by foreground galaxies)...

increase in the intensity of high-energy electrons from elsewhere in the galaxy diffusing into our solar system from outside ... [while] the [solar] wind...

keV stand for 103 electron volts. Compact groups of galaxies are tight associations of galaxies. Their compactness suggests extremely short crossing...

such stars are present in the old stellar populations of all galaxies (but see Foss et al. 1991), there is good reason to believe that Type Ia supernovae...

responsible for the production of B and Be throughout the history of the Galaxy." Def. "an energetic particle originating outside our solar system" is called...

found only electrons streaming into the heliosphere from elsewhere in the galaxy. Usually the separation of charge carriers, such as electrons and protons...

Second, they are dependent on our special place at the edge of the Milky Way galaxy and did not suggest the radiation is isotropic. Moreover, they would yield...

massive galaxies; these data also suggest the presence of unseen mass." "Even if gaseous bound systems of galactic mass can form, the types of galaxy they...

process that provided light neutron-capture elements in the very early Galaxy." "A comparison of the heavy-element abundance distribution in [AG Draconis]...

that the farther galaxies were from us, the faster they statistically tend to be traveling away from us. This means that the galaxies tend to be spreading...

Analytical astronomy Cosmogony Cratering Electric orbits Electron beam heating Galaxies Intergalactic medium Locating the Sun Magnetic field reversal Meteorites...

1051/0004-6361:20020806.  Francesca Matteucci (2001). The Chemical Evolution of the Galaxy. Astrophysics and Space Science Library. 253. Springer Science & Business...

from Earth to the Moon in 24 minutes!" "NGC 6302 lies within our Milky Way galaxy, roughly 3,800 light-years away in the constellation Scorpius. The glowing...

Analytical astronomy Cosmogony Cratering Electric orbits Electron beam heating Galaxies Intergalactic medium Locating the Sun Magnetic field reversal Meteorites...

be due to a larger star companion. First astronomical X-ray source/Quiz Galaxies/Quiz Radiation astronomy/Quiz Star fission/Quiz Stars/Quiz Stellar active...

within the Milky Way that the Sun appears to be "chasing" as it orbits the galaxy. The general direction of the solar apex is southwest of the star Vega near...

Analytical astronomy Cosmogony Cratering Electric orbits Electron beam heating Galaxies Intergalactic medium Locating the Sun Magnetic field reversal Meteorites...

[asymptotic giant branch] AGB stars that formed early in the history of the Galaxy, and that therefore have very low abundances of elements heavier than helium...

to indicate the masses of other stars, as well as clusters, nebulae and galaxies. It is equal to the mass of the Sun, about two nonillion kilograms: M ⊙...

p + p + p + A The secondary antiprotons (p) then propagate through the galaxy, confined by the galactic magnetic fields. Their energy spectrum is modified...

that support the existence of dark matter - article by Douglas Clowe, et al. (2006) DAMA/NaI - laboratory experiment attempting to detect dark matter...

the interstellar medium (the hydrogen and helium gas that permeates the galaxy) by the solar wind. Although electrically neutral atoms from interstellar...

with an estimate that the abundance of lithium at the beginning of the galaxy was: NLi = (11.2 ± 3.8) × 10−11 NH where NH is the abundance of hydrogen...

to or been caught up to by a red or brown dwarf star in orbit around the galaxy. Earth's orbit around the Sun at some 51° to the galactic plane may have...

star formation, which plays host to some of the highest-mass stars in our galaxy, is an ideal arena in which to study the interactions between these young...

pleasing stimuli conform to this ratio. The golden ratio can be found in galaxies, the natural environment and even within the human body, and has been utilised...

nitrogen/oxygen (N/O) abundance gradients. Surveys of H II regions in spiral galaxies have suggested that N/O abundance ratios increase from outer-arm nebulae...

Kratz, K.-L.; Frebel, A. et al. (2009). "The end of nucleosynthesis: Production of lead and thorium in the early galaxy". The Astrophysical Journal (The...

mysteriously connected to the behavior of an obscure atom in a distant galaxy billions of years ago. The third loophole was a surprise for us. In an early...

carbon stars found in globular clusters and some dwarf spheroidal (dSph) galaxies (Harding 1962). Among these, at high Galactic lat- itudes, warm carbon...

than 46,000 variable stars in the Milky Way, as well as 10,000 in other galaxies, and over 10,000 'suspected' variables. SIMBAD recognizes some 36 types...

increase in the intensity of high-energy electrons from elsewhere in the galaxy diffusing into our solar system from outside ... [while] the [solar] wind...

be 2 e- cm-2 s-1 diffusing into our solar system from elsewhere in the galaxy. Each of these electrons has an energy of 10 MeV. Φe−=2e−⋅cm−2⋅s−1⋅(10−...

sense the presence of a planet." "It is the most common type of star in the galaxy — over 70 percent of Milky Way stars are like this dim, M dwarf star. Though...

et al., 1981) may indicate material originating from WC stars. Moreover, as there is a strong gradient in the distribution of WC stars in the Galaxy, a...

spectral type. Red dwarfs are by far the most common type of star in the Galaxy, at least in the neighborhood of the Sun. Proxima Centauri, the nearest...

stars). http://adsabs.harvard.edu/abs/2001JRASC..95...32L.  R. O. Gray, et al. (July 2006). "Contributions to the Nearby Stars (NStars) Project: Spectroscopy...

Constellations and Their Legends, p. 66 (ISBN 9780521544153). Hubrig, S.; et al. (June 2001). "Search for low-mass PMS companions around X-ray selected late...

(June 19, 1989). 3-dimensional particle-in-cell simulations of spiral galaxies. Heidelberg, Federal Republic of Germany: Kluwer Academic Publishers. pp...