WebOpportunity, also known as MER-B (Mars Exploration Rover – B) or MER-1, is a robotic rover that was active on Mars from 2004 until 2018. Opportunity was operational on Mars for 5111 sols (14 years, 138 days). Launched on July 7, 2003, as part of NASA's Mars Exploration Rover program, it landed in Meridiani Planum on January 25, 2004, three …

WebMIT and Caltech have been prank rivals since Spring 2005, when a group of Caltech students traveled to Cambridge to pull a string of pranks during "Campus Preview Weekend" (CPW) for prospective new MIT students. The stunts included covering up the word "Massachusetts" in the "Massachusetts Institute of Technology" engraving on the …

WebVenus is one of the four terrestrial planets in the Solar System, meaning that it is a rocky body like Earth. It is similar to Earth in size and mass and is often described as Earth's "sister" or "twin". The surface pressure is 9.3 megapascals (93 bars), and the average surface temperature is 737 K (464 °C; 867 °F), above the critical points of both major …

WebEpsilon Eridani (Latinized from ε Eridani), formally named Ran, is a star in the southern constellation of Eridanus, at a declination of 9.46° south of the celestial equator.This allows it to be visible from most of Earth's surface. At a distance of 10.5 light-years (3.2 parsecs) from the Sun, it has an apparent magnitude of 3.73. It is the third-closest individual star or star …

WebGalileo Galilei was the first to observe the rings of Saturn in 1610 using his telescope, but was unable to identify them as such. He wrote to the Duke of Tuscany that "The planet Saturn is not alone, but is composed of three, which almost touch one another and never move nor change with respect to one another. They are arranged in a line parallel to the …

WebSuperfluidity was discovered in helium-4 by Pyotr Kapitsa and independently by John F. Allen and Don Misener in 1937. It has since been described through phenomenology and microscopic theories. In liquid helium-4, the superfluidity occurs at far higher temperatures than it does in helium-3.Each atom of helium-4 is a boson particle, by virtue of its integer …

WebFor at least three decades, scientists have advocated the return of geological samples from Mars. One early concept was the Sample Collection for Investigation of Mars (SCIM) proposal, which involved sending a spacecraft in a grazing pass through Mars's upper atmosphere to collect dust and air samples without landing or orbiting.. The Soviet Union …

WebL. Ron Hubbard was born in 1911 in Tilden, Nebraska, the only child of Ledora May (née Waterbury), who had trained as a teacher, and Harry Ross Hubbard, a former United States Navy officer. After moving to Kalispell, Montana, they settled in Helena in 1913. Hubbard's father rejoined the Navy in April 1917, during World War I, while his mother worked as a …

WebThe 2004 Indian Ocean earthquake and tsunami (also known as the Boxing Day Tsunami and, by the scientific community, the Sumatra–Andaman earthquake) occurred at 07:58:53 local time on 26 December, with an epicentre off the west coast of northern Sumatra, Indonesia.It was an undersea megathrust earthquake that registered a magnitude of …

WebMessier 82 (also known as NGC 3034, Cigar Galaxy or M82) is a starburst galaxy approximately 12 million light-years away in the constellation Ursa Major.It is the second-largest member of the M81 Group, with the D 25 isophotal diameter of 12.52 kiloparsecs (40,800 light-years). It is about five times more luminous than the Milky Way and its …