Search results
Results from the WOW.Com Content Network
Roderick Murchison, at the time vice-president both of the Geological Society and the Geographical Society of London (later Royal Geographical Society), was the first geologist to systematically investigate the Coalbrookdale Formation and the nearby regions including Herefordshire, Shropshire, Brecknockshire, Radnorshire, Monmouthshire, and Carmarthenshire in the early 1830s. [6]
S/2009 S 1 is a moonlet embedded in the outer part of Saturn's B Ring, orbiting 117,000 km (73,000 mi) away from the planet.The moonlet was discovered by the Cassini Imaging Team during the Saturnian equinox event on 26 July 2009, when the Cassini spacecraft imaged the moonlet casting a 36 km (22 mi)-long shadow onto the B Ring. [4]
In 1991, M. Mateo and associates found an orbital period of 3.96 h with a semimajor axis of 1.35 ± 0.15 R ☉ for this binary system. DO Dra consists of a compact white dwarf primary being orbited by a red dwarf stellar companion.
maximum brightness near opposition and perihelion when the rings are angled toward Earth [42] −0.3: Halley's comet: seen from Earth Expected apparent magnitude at 2061 passage −0.27: star system Alpha Centauri AB: seen from Earth Combined magnitude (3rd brightest star in night sky) −0.04: star Arcturus: seen from Earth
Halley's Comet (1P) upcoming 1986 approach to the Sun was first detected by astronomers David C. Jewitt and G. Edward Danielson on 16 October 1982 using the 200-inch Hale Telescope equipped with a CCD camera. [32] Two moons of the planet Uranus were discovered in September 1997, bringing the planet's total known moons to 17 at that time. [33]
State Highway 1 (SH 1) is the longest and most significant road in the New Zealand road network, running the length of both main islands.It appears on road maps as SH 1 and on road signs as a white number 1 on a red shield, but it has the official designations SH 1N in the North Island, SH 1S in the South Island.
2d Map of Ireland: first Irish postage stamp The postage stamps of Ireland are issued by the postal operator of the independent Irish state. Ireland was part of the United Kingdom of Great Britain and Ireland when the world's first postage stamps were issued in 1840. These stamps, and all subsequent British issues, were used throughout Ireland until the new Irish Government assumed power in ...