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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.
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.
Now the comet’s return has ignited wild speculation that, like in the early 1800s, an earthquake could come with it. But earthquakes aren’t predictable , and it goes without saying that comets ...
Comet C/2022 E3 (ZTF) has been shining progressively brighter in recent weeks, and experts say that it is now bright enough to see with the unaided eye from dark areas. A zoomed-in image of Comet ...
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]
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 non-periodic comet, which reached perihelion on 13 January 2025, at a distance of 0.09 AU (13 million km) from the Sun.It is potentially the brightest comet of 2025, [6] with an apparent magnitude reaching −3.8 on the day of its perihelion. [5]