Search results

...|access-date=March 23, 2012}}</ref> Using the [[Keck Telescope]], a thin [[galactic disc|disc]] with a side on orientation was confirmed to be lurking at the c ...delta</math>) of {{DEC|-18|38|43}} ([[J2000]]). It is located within the [[Galactic corona]] of [[NGC 1407]], a massive [[spherical galaxy]] which is located a ...

...News}}</ref> This structure runs with the trajectory of the [[Milky Way]] arms.<ref>{{cite web|last1=Brandon|first1=Specktor|date=7 January 2020|access-da ...appears to have collided with the Milky Way and created a huge wave in the galactic plane|url=https://www.newsweek.com/milky-way-huge-wave-collision-1480799|da ...

| [[Galactic spiral]] ...y have to be rotated backward by (<math> -\theta </math>) for plotting.{{r|galactic-1}}{{pred |date=July 2024}} ...

..., bar, X and shell structures, as well as the principles governing leading arms, tidal tails, cosmic voids, and superstructures. ..., M and m are the central and revolving masses, respectively, and r is the galactic distance. ...

...time dependent gravitational field caused by spiral density waves in the [[Galactic disc|stellar discs]] of galaxies. Since supersonic motions almost always in ...principle that causes a spinning skater to speed up when she pulls in her arms. ...

...rom inertial effects, so this rotation rate, at which when she extends her arms nothing happens, is her local reference for non-rotation. This frame is rot ...4=Will|first4=C.|author-link=David Merritt|title=Testing Properties of the Galactic Center Black Hole Using Stellar Orbits|journal=Physical Review D|volume=81| ...

...[[binary star]]s with the [[Sagittarius A*|supermassive black hole at the Galactic Center]]. ...the Sun's present location that is following a circular orbit around the [[Galactic Center]] at the mean velocity of those nearby stars with low velocity dispe ...

...atter]] in the Universe, discovered by [[Vera Rubin]] from observations of galactic [[rotation curves]] in the 1970s. ;The new outer arm of the [[Milky Way#Spiral arms|Milky Way]] ...

...at is different from that in the Solar System's matter as well as from the galactic average. Presolar grains formed within outflowing and cooling gases from ea ...destructive for molecules and small dust particles and extends into the [[galactic corona]]. ...

...mas | year = 2014 | title = Deep mapping of small solar system bodies with galactic cosmic ray secondary particle showers | journal = 2014 NASA Innovative Adva ...c Ray Muons | journal = Science & Global Security: The Technical Basis for Arms Control, Disarmament, and Nonproliferation Initiatives | language = en | p ...

...than 100 skin operations due to radiation damage. Eventually, both of his arms had to be amputated. His death led Edison to abandon all further X-ray rese ...llisieverts per day was mainly due to the constant presence of high-energy galactic particle radiation. In contrast, radiation from the sun accounted for only ...