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Kepler-37b is an exoplanet orbiting the star Kepler-37 in the constellation Lyra. [3] As of February 2013, it is the smallest planet discovered around a main-sequence star, with a radius slightly greater than that of the Moon and slightly smaller than that of Mercury. [4]
Strips cut from the striped part of the skin of an okapi, sent home by Sir Harry Johnston, were the first evidence of the okapi's existence to reach Europe.. Although the okapi was unknown to the Western world until the 20th century, it may have been depicted since the early fifth century BCE on the façade of the Apadana at Persepolis, a gift from the Ethiopian procession to the Achaemenid ...
The 2019 Maharashtra Legislative Assembly election was held on 21 October 2019 to elect all 288 members of the state's Legislative Assembly. [1] After a 61.4% turnout in the election, the ruling National Democratic Alliance (NDA) of the Bharatiya Janata Party (BJP) and Shiv Sena (SHS) won a majority. [2]
The Zvezda M503 (built at AO Zvezda at St Petersburg) is a maritime 7 bank, 42 cylinder diesel radial engine built in the 1970s by the Soviet Union. Its primary use was in Soviet missile boats that used three of these engines.
However, this electrolysis process is currently more expensive than creating hydrogen from methane without CCS and the efficiency of energy conversion is inherently low. [130] Hydrogen can be produced when there is a surplus of variable renewable electricity , then stored and used to generate heat or to re-generate electricity. [ 136 ]
The standard enthalpy change of combustion, ΔH° c, expressed per mole of ammonia and with condensation of the water formed, is −382.81 kJ/mol. Dinitrogen is the thermodynamic product of combustion: all nitrogen oxides are unstable with respect to N 2 and O 2, which is the principle behind the catalytic converter.
A seismogram recorded in Massachusetts, United States. The magnitude 9.1 (M w) undersea megathrust earthquake occurred on 11 March 2011 at 14:46 JST (05:46 UTC) in the north-western Pacific Ocean at a relatively shallow depth of 32 km (20 mi), [9] [56] with its epicenter approximately 72 km (45 mi) east of the Oshika Peninsula of Tōhoku, Japan, lasting approximately six minutes.
Presidential election results map. Blue denotes states won by Carter/Mondale and red denotes those won by Ford/Dole. Pink is the electoral vote for Ronald Reagan by a Washington faithless elector.