Tuesday, 26 January 2021

Woman dies after being trampled by Elephant at tourist resourt in Kerala State, India.

A woman has died after being trampled by an Elephant at a resort in the Wayanad District of Kerala State, India, on Saturday 23 January 2021. The victim, described as Shahana Sathar, the head of the psychology department at the Darunnujoom College of Arts and Science, was staying in a tent at a campsite on the resort with her cousin and a friend; she was reportedly attacked by a wild Elephant while sitting near the tent, and died of crush injuries to the chest at the scene of the incident. The resort has now been closed by Forest Department officials, who had previously warned the owner about the dangers of locating campsites too close to the forest edge, and who are now planning legal action. The campsite is described as being located on a landslide-prone slope, surrounded by dense forest, with no protection from animals. Local environmental group Wayanad Prakruti Samrakshana Samiti has warned about the large number of such camps that have sprung up in the region, with about 300 ventures operating campsites and tree huts in the forests, with no official permission and little regard for the safety of guests or the environment.

 
A campsite at the Rainforest Resort in the Wayanad District of Kerala State, India, where a woman was killed by an Elephant on 23 January 2021. India Today.

The population of India has risen from 376 million in 1950 to 1339 million today, fuelling an expansion of both urban and agricultural land use into former wilderness areas. The wild Elephant population has declined over the same period, but still stands at about 27 000. Many animals will simply flee such incursions, or, if unable to, are likely to end up in the cooking pots of hungry villagers. Elephants, however, are a somewhat different proposition. They are large animals, not used to being challenged by other animals in their home ranges, and typically live in matriarchal herds of up to a hundred, with herds holding large territories, criss-crossed by Elephant trails. A herd of Elephants encountering a new Human settlement, particularly a poorly defended structure, are unlikely to attempt to go round it, and are quite likely to maximise the damage they cause to show their displeasure. This has resulted in an increasing cycle of Elephant-Human conflict in rural areas of India, with 2361 people killed by Elephants between 2014 and 2019, while in the same period 510 Elephants were killed by people.

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Asteroid 2021 BO1 passes the Earth.

Asteroid 2021 BO1 passed by the Earth at a distance of about 251 000 km (0.65 times the average distance between the Earth and the Moon, or 0.17% of the distance between the Earth and the Sun), slightly after 2.15 am GMT on Wednesday 20 January 2021. There was no danger of the asteroid hitting us, though were it to do so it would not have presented a significant threat. 2021 BO1 has an estimated equivalent diameter of 3-9 m (i.e. it is estimated that a spherical object with the same volume would be 3.-9 m in diameter), and an object of this size would be expected to explode in an airburst (an explosion caused by superheating from friction with the Earth's atmosphere, which is greater than that caused by simply falling, due to the orbital momentum of the asteroid) more than 32 km above the ground, with only fragmentary material reaching the Earth's surface.

 
The closest approach of 2021 BO1 to the Earth on 20 January 2021. JPL Small Body Database.

2021 BO1 was discovered on 18 January 2021 (two days before its closest approach to the Earth) by the University of Arizona's Mt. Lemmon Survey at the Steward Observatory on Mount Lemmon in the Catalina Mountains north of Tucson. The designation 2021 BO1 implies it was the 39th asteroid (asteroid O1; in numbering asteroids the letters A-Z excluding I, are assigned numbers from 1 to 25, with a number added to the end each time the alphabet is ended, so that A = 1, A1 = 26, A2 = 51, etc., which means that O1 = (25 x 1) + 14 = 39) discovered in the second half of January 2021 (period 2021 B; the year being split into 24 half-months represented by the letters A-Y, with I being excluded).

 
The orbit and current position of 2021 BO1. The Sky Live 3D Solar System Simulator.

2021 BO1 has a 1144 day (3.13 year) orbital period, with an elliptical orbit tilted at an angle of 0.12° to the plain of the Solar System which takes in to 0.92 AU from the Sun (92% of the distance at which the Earth orbits the Sun) and out to 3.36 AU (336% of the distance at which the Earth orbits the Sun, and more than twice the distance at which the planet Mars orbits the Sun). It is therefore classed as an Apollo Group Asteroid (an asteroid that is on average further from the Sun than the Earth, but which does get closer). This means that Asteroid 2020 YN2 has occasional close encounters with the Earth, with the next predicted for May 2024.

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