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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.
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.
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]
Scientists say comet C/2023 A3 Tsuchinshan-ATLAS is visible once every 80,000 years, and people across North America were treated to stunning views. Striking photos show stunning, once-in-a ...
Earth’s inner core, a red-hot ball of iron 1,800 miles below our feet, stopped spinning recently, and it may now be reversing directions, according to an analysis of seismic activity.
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 rare comet is still glowing over Ohio. Here's how to see it before it's gone, and won't return for 80,000 years.
C/2024 G3 (ATLAS) is a long-period comet, which will reach perihelion on 13 January 2025, at a distance of 0.09 AU from the Sun.It could become the brightest comet of 2025, [5] possibly exceeding apparent magnitude of −3.5.