Rock that hit moon throughout lunar eclipse seemingly impacted at 61,000 kph – Astronomy Now

April 30, 2019 - Comment

A quick flash of sunshine throughout January’s whole lunar eclipse marked the spot the place a rock crashed into the floor at some 61,000 kph (38,000 mph). Picture: J. M. Madiedo/MIDAS A rock that slammed into the moon throughout a broadly considered whole lunar eclipse in January seemingly hit the floor at some 61,000 kilometres



A quick flash of sunshine throughout January’s whole lunar eclipse marked the spot the place a rock crashed into the floor at some 61,000 kph (38,000 mph). Picture: J. M. Madiedo/MIDAS

A rock that slammed into the moon throughout a broadly considered whole lunar eclipse in January seemingly hit the floor at some 61,000 kilometres per hour (38,000 mph), releasing the vitality of 1.5 tonnes of TNT and blasting out a crater 10 to 15 metres (33 to 49 toes) throughout, astronomers report in Month-to-month Notices of the Royal Astronomical Society.

Based mostly on an in depth evaluation of the sensible, short-lived – zero.28 second – burst of sunshine that accompanied the impression, the astronomers concluded the rock had a mass of about 45 kilograms (100 kilos) and measured 30 to 60 centimetres (12 to 24 inches) throughout. Particles ejected by the impression seemingly reached a peak temperature of round 5,400 levels Celsius (9,750 Fahrenheit).

The eclipse occurred on 21 January and was seen throughout western Europe and North and South American. At four:41 GMT, simply after totality started, many observers famous a quick flash on the moon’s darkened floor.

Jose Madiedo of the College of Huelva and Jose L. Ortiz of the Institute of Astrophysics of Andalusia function the Moon Impacts Detection and Evaluation System, or MIDAS, utilizing eight telescopes in southern Spain to watch the lunar floor. MIDAS video captured the second of impression, the primary ever filmed throughout a lunar eclipse. Observing at a number of wavelengths, the researchers have been capable of calculate the dimensions of the impacting physique and the vitality launched.

“One thing inside me advised me that this time can be the time,” mentioned Madiedo, including the occasion was brighter than most beforehand detected by the MIDAS survey. “It might be unattainable to breed these high-speed collisions in a lab on Earth. Observing flashes is a good way to check our concepts on precisely what occurs when a meteorite collides with the Moon.”



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