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The 2-8-8-2 was a design largely limited to American locomotive builders. The last 2-8-8-2 was retired in 1962 from the N&W's roster, two years past the ending of steam though steam was still used on steel mill lines and other railroads until 1983. A similar wheel arrangemement exists for Garratt locomotives, but is referred to as 2-8-0+0-8-2 ...
Description. Alien is a role-playing game set in space in the far future that has two modes: Campaign: The usual role-playing milieu, where the gamemaster creates a "world" and a plot, then describes a situation or story hook to the players, who then indicate how their player characters react. [1]
This gave an isophotal diameter for the Milky Way at 26.8 ± 1.1 kiloparsecs (87,400 ± 3,600 light-years), by assuming that the galactic disc is well represented by an exponential disc and adopting a central surface brightness of the galaxy (μ 0) of 22.1 ± 0.3 B-mag/arcsec −2 and a disk scale length (h) of 5.0 ± 0.5 kpc (16,300 ± 1,600 ly).
The paper, which is a preprint and awaiting peer review, amounts to an update to the Drake equation, a probabilistic model used to estimate the number of extraterrestrial civilizations in the ...
File:Milky-way-edge-on.pdf. Size of this JPG preview of this PDF file: 800 × 590 pixels. Other resolutions: 320 × 236 pixels | 640 × 472 pixels | 943 × 695 pixels. This is a file from the Wikimedia Commons. Information from its description page there is shown below.
Mars rises around 4 a.m. early on but by 3 a.m. late. Jupiter rises around 5 a.m. in early July but rises around 3 a.m. later in the month. Watch the Moon pass a couple of bright stars and planets ...
A 2-8-8-4 steam locomotive, under the Whyte notation, has two leading wheels, two sets of eight driving wheels, and a four-wheel trailing truck. The type was generally named the Yellowstone, a name given it by the first owner, the Northern Pacific Railway, whose lines ran near Yellowstone National Park. Seventy-two Yellowstone-type locomotives ...
Sagittarius A*, abbreviated Sgr A* ( / ˈsædʒ ˈeɪ stɑːr / SADGE-AY-star [3] ), is the supermassive black hole [4] [5] [6] at the Galactic Center of the Milky Way. Viewed from Earth, it is located near the border of the constellations Sagittarius and Scorpius, about 5.6° south of the ecliptic, [7] visually close to the Butterfly Cluster ...