linkedin post 2021-03-14 05:40:17

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THE NUMBERS. “Among the 50,000 to 60,000 known aculeates, at least 7 independent lines have reached the eusocial condition. In contrast, of the more than 70,000 parasitoid and other apocritan hymenopteran species, whose females travel from prey to prey to lay their eggs, none is known to be eusocial, nor is any one of the hugely diverse 5000 described species of sawflies and horntails. Larvae of some sawfly species form aggregations, but not eusocial colonies, and the adults lead solitary lives.” https://lnkd.in/drgWvGT View in LinkedIn
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linkedin post 2021-03-15 05:24:02

linkedin post 2021-03-15 05:24:02

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THE DATA SET. “There are 670 atomic-cooling haloes, ten of which are metal-free and have not hosted prior star formation. The remaining atomic-cooling haloes have formed stars prompted by either H2 or metal-line cooling and are not conducive to the formation of SMSs (and subsequently direct-collapse black holes, DCBHs).” (SMSs = supermassive black holes). https://www.nature.com/articles/s41586-019-0873-4 View in LinkedIn
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linkedin post 2021-03-15 05:22:55

linkedin post 2021-03-15 05:22:55

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SIMULATION CONTEXT. “We analyse the region from the Renaissance simulation suite that is centred on the densest cosmological co-moving volume (133.6 Mpc3), which contains 822 galaxies at its ending redshift of z = 15 (270 Myr after the Big Bang).” https://www.nature.com/articles/s41586-019-0873-4 View in LinkedIn
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linkedin post 2021-03-15 05:21:25

linkedin post 2021-03-15 05:21:25

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SUPERMASSIVE BLACK HOLES. “The existence of supermassive black holes with masses of around 19(9) Mʘ (where Mʘ is the solar mass) only 800 Myr after the Big Bang indicates that there must have been an early intense convergence of mass in ‘rare’ locations, occurring only roughly ten times per co-moving cubic gigaparsec.” https://www.nature.com/articles/s41586-019-0873-4 View in LinkedIn
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