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479P/Elenin, with provisional designation P/ 2011 NO 1 (Elenin), is a periodic comet with an orbital period estimated at 13.3 years. [ 4 ] The comet was discovered on 7 July 2011 [ 2 ] when the comet was 2.38 AU from the Sun and 1.4 AU from the Earth and had an apparent magnitude of 19.5.
The discoverer, Leonid Elenin, originally estimated that the comet nucleus was 3–4 km in diameter, [7] but more recent estimates place the pre-breakup size of the comet at 2 km. [8] Comet Elenin started disintegrating in August 2011, [9] and as of mid-October 2011 was not visible even using large ground-based telescopes.
Leonid Elenin works for the Keldysh Institute of Applied Mathematics [1] and lives in Lyubertsy, Moscow region, Russia. [2] Leonid Elenin is best known for discovering the comet C/2010 X1 on 10 December 2010. [2] Elenin then discovered comet P/2011 NO1 on 7 July 2011. [3] As of 2019, Elenin had discovered five comets. [4]
The most recent earthquakes mean at least 129 have been detected in the Palmetto State since the start of 2022, according to South Carolina DNR. All but 24 of the quakes have been in the Midlands.
The most recent earthquake means at least 101 have been detected in the Palmetto State since the start of 2022, according to South Carolina DNR. All but 10 of the quakes have been in the Midlands.
The most recent one, a 2.3 magnitude temblor, happened just after midnight on Monday near the south end of Lake Lanier, according to the U.S. Geological Survey (USGS).
There were fears amongst the public that Comet Elenin travelling almost directly between Earth and the Sun would cause disturbances to the Earth's crust, causing massive earthquakes and tidal waves. Others predicted that Elenin would collide with Earth on 16 October. Scientists tried to calm fears by stating that none of these events were possible.
A magnitude 4 earthquake rattled Southern California before dawn Sunday morning — the strongest in a series of modest earthquakes to strike near the Ontario International Airport in the last month.