Recently, Professor Tuthill and Norris captured images of the biggest ever giant gas planet is some 500 light-years away from the Earth. 相关知识点: 试题来源: 解析 1.that 考查定语从句。that 引导定语从句,修饰先行词 giant gas planet。从句中,is 前方缺主语,故本题填写关系代词。此外,由于先行词...
If this wasn’t the case, gas would never collapse to form stars and instead our atoms would just be part of one giant disc of material orbiting a supermassive black hole. It was King who pointed out that when a black hole reaches 50 billion solar masses, the ISCO gets pushed beyond th...
So far this year, Russia has discovered nearly 1.5 billion barrels of oil equivalent (Bboe) thanks to the Dinkov and Nyarmeyskoye finds on the Yamal peninsula shelf in the Kara Sea. In natural gas terms, that’s a whopping 17 trillion cubic feet (Tcf). But this is gas for Gazprom....
It is the first 20,000 TEU container ship built at Imabari Shipbuilding, among its sister ships, Ever—Goods, Genius, Given, and Gifted, to be delivered to Taiwan’s cargo shipping giant EVERGREEN, which currently operates it. It has an adequate draught of 12 metres but lacks speed, with...
56 The world is going through the biggest wave of mergers and acquisitions ever witnessed. The process sweeps from hyperactive America to Europe and reaches the emerging countries with unsurpassed might. Many in these countries are looking at this process and worrying: “Won’t the wave of busine...
Stephan's Quintet is a visual grouping of five galaxies, of which four form the first compact galaxy group ever discovered. It was first spotted in 1877 in France and is the most studied of all the compact galaxy groups. The study suggests there might be more larg...
Curiosity Mars rover discovers largest organic molecules ever seen on Red Planet NEXT: Mars Methane Mystery A Mars Methane Mystery ESA Methane — the simplest organic molecule — was first discovered in the Martian atmosphere by the European Space Agency's Mars Express spacecraft in 2003. On Earth...
Astronomers have identified a cosmic oddity: What may be the first planet ever discovered that orbits three stars. The GW Ori system is a triple star system, with three stars bound to each other by gravity, and recent observations of the dust ring around the stars suggest that there is a ...
In 2018, the largest active underwater eruption ever recorded birthed a giant "baby": a skyscraper-size underwater volcano, a new study finds. Scientists discovered the 2,690-foot-tall (820 meters) volcano in the western Indian Ocean, off Madagascar, following a puzzling spate of earthquakes ...
Related:Smallest, densest white dwarf ever discovered packs the sun's mass into a moon-size stellar corpse Even more massive objects to consider are black holes and, in particular, the supermassive black holes that typically reside in the center of a galaxy. For example, the Milky Way hosts ...