(n.) A mass of stone or iron which has fallen to the earth from space; an aerolite.
Example Sentences:
(1) The toll was slight because the 20-metre-wide meteorite exploded so high, more than 20km above the ground.
(2) We’ve gathered a few creative intergalactic lesson plans below – including edible meteorites and studying real lunar rocks.
(3) "It was rather easy to find fragments in the first days after the meteorite fell, because the chunks left holes in the snow," Grokhovsky told the Guardian.
(4) The amino acid composition and the pyrolyzable organic content of the Antarctic Allan Hills meteorite (ALHA 77306.9 and ALHA 77306.17) was examined.
(5) Short of sending a spacecraft or astronaut to the red planet to haul back rocks, Martian meteorites are the next best thing for scientists seeking to better understand how Earth's neighbour transformed from a tropical environment to a frigid desert.
(6) Having an accurate measurement of the Martian atmosphere also clears up some confusion over the origin of a group of meteorites on Earth, that were assumed to have originated from Mars based on measurements of trapped gases within them, but their identity could not be confirmed without the hard data provided by these results.
(7) A sample of the Murchison meteorite was extracted with D2O and in addition of 'free' amino acids, showing no deuterium incorporation, some amino acids showed the presence of deuterium suggesting either a 'precursor(s)' or hydrogen-deuterium exchange which require(s) formation of carbon-hydrogen bonds.
(8) First, grab an apron and get baking; the meteorite recipes can be found here .
(9) It was that moment when me and my colleagues from Ural Federal University's nanotech centre determined the meteorite's origin and the substance of the chunks which were collected not far from the hole in the ice," Grokhovsky said.
(10) Or it can be “to solve some mystery”, such as his trips to Guatemala and Belize, to uncover the fate of the Mayan civilisation, or Siberia, to learn about the Tunguska meteorite, thought to have created a blast as powerful as 1,000 Hiroshimas in 1908.
(11) "It is very hard to overestimate the importance of the meteorite's recovery from the lake.
(12) Meteorites, The Universe, Road to the Stars, Planet of Tempests, The Moon, et al.
(13) Researchers performed a battery of tests on the meteorite and, based on its chemical signature, confirmed it was blasted to Earth from Mars.
(14) "Unless he takes a tumble or is hit by a falling meteorite."
(15) "It's yet another piece of evidence which makes it more likely that life came to Earth on a Martian meteorite, rather than starting on this planet."
(16) It relies upon the expected El Nino which is currently 70~90% likely A major volcanic eruption or a giant meteorite could change this, otherwise 2015 is the one to watch.
(17) 1.1m page views 10) Meteorite slams into central Russia injuring 1,100 – live Friday 15 February 2013 "I was driving to work, it was quite dark, but it suddenly became as bright as if it was day.
(18) Most space rocks that fall to Earth as meteorites come from the asteroid belt, but a number can be traced to the moon and Mars.
(19) For example, it is estimated that a major meteorite impact, such as the one that caused the extinction of the dinosaurs 65m years ago, occurs on average every 100m years.
(20) Cut the edible meteorites in half so students can describe what they are like inside, but make sure they use technical vocabulary not culinary terms.
Siderite
Definition:
(n.) Carbonate of iron, an important ore of iron occuring generally in cleavable masses, but also in rhombohedral crystals. It is of a light yellowish brown color. Called also sparry iron, spathic iron.
(n.) A meteorite consisting solely of metallic iron.
(n.) An indigo-blue variety of quartz.
(n.) Formerly, magnetic iron ore, or loadstone.
(n.) Any plant of the genus Sideritis; ironwort.
Example Sentences:
(1) Kinetics of CO2 and O2 production was investigated in the following systems: H2O - H2O2 - C6H5OH - siderite, H2O - H2O2 - HCl - siderite, H2O - H2O2 - siderite, H2O - HCl - siderite.
(2) The siderite FeCO3 is also active, but the iron oxides and oxyhydroxides are generally nonactive.
(3) siderite, the degree of C2H6O2 to CO2 conversion was 99.2% and 99.8, respectively.
(4) The rate of oxygen production in the presence of phenol and siderite was described as Vo2 = k1 [H2O2]1.46.