NewsWorldThe 'Perseid' rain will be broadcast from El Roque...

The ‘Perseid’ rain will be broadcast from El Roque to raise awareness about the problem of light pollution – elDiario.es

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Through the collaboration of the Institute of Astrophysics of the Canary Islands (IAC) with the Portuguese Society for the Study of Birds (SPEA), within the framework of the Interreg EELabs and Life [email protected] projects, the night of August 12-13 , the sky-live.tv channel will broadcast the maximum activity of the Perseid shooting star shower from Madeira and from the Roque de Los Muchachos Observatory, located on the peaks of Garafía, informs the IAC in a press release. 10% of the planet’s continental surface, he points out, “is affected by light pollution, but if we take into account SkyGlow (brightness of the sky), produced by the emission of artificial light into the atmosphere, this percentage increases to 23%”. The consequences of the emission of artificial light towards the sky, he adds, “affect biodiversity, our health and, of course, Astronomy; and the prospects for the future are not at all optimistic. However, there are regions that are struggling to reverse this trend, as is the case of Macaronesia, in which institutions from different fields have come together in various projects to fight against this type of atmospheric pollution, quantifying the levels of light pollution in those areas where it should not have reached and taking measures to stop its progress. One of these initiatives, he points out, consists of making the population aware of the problem of light pollution. To this end, on the night of Friday 12 to Saturday 13 August, the sky-live.tv channel will broadcast the Perseid meteor shower live from Pico do Arieiro (Madeira, Portugal). “This year, the full moon will make it difficult to see the faintest meteors. For this reason the frequency of Perseids will be lower – about one every 15 minutes – and we will only observe the brightest ones, which will continue to be impressive. As in previous years, it is necessary to find a place far from urban centers, fix one’s eyes on a point in the sky and wait patiently to see some of the Perseids’ luminous traces”, comments Serra-Ricart, astronomer at the IAC and coordinator of the EE Labs project. Like every year around these dates, the IAC note explains, the Earth passes through the cloud of dust and rocks that the comet Swift-Tuttle has left behind in each of its orbits around the Sun. As a consequence, “the nights from mid From July to the end of August, we see the activity of the Perseids, known as Tears of San Lorenzo. This year, its maximum is expected at 01:00 UT in the early hours of August 13. In Europe, therefore, the night of August 12 to 13 will see the maximum activity of this meteor shower. We know -according to the calculations of the standard models- that the activity of the Perseids is around 100 meteors/hour (ZHR or zenith hourly rates) although, this year, the full Moon will make it difficult to observe throughout the night ”. What do we call ‘shooting stars’? It indicates that “we know as ‘shooting stars’ the small dust particles, some smaller than grains of sand, that come off comets -or asteroids- throughout their orbits around the Sun. The cloud of particles (meteoroids) resulting, due to the melting produced by the solar heat, it is dispersed by the comet’s orbit and is crossed by the Earth in its annual journey around the Sun. During this encounter, the dust particles disintegrate as they enter the atmosphere at high speed terrestrial, creating the well-known luminous traces that receive the scientific name of meteors”. The Perseids receive their name from the constellation of Perseus, where their radiant is located (the point in the sky from which they seem to be born), but they have their origin in the comet Swift-Tuttle, which was discovered in 1862, and which, with a Approximately 26 km in diameter, it is the largest object that periodically approaches Earth. Live from the Canary Islands Observatories As part of the dissemination activities of the Interreg Energy Efficiency Laboratories (EELabs) project, the sky-live.tv channel will broadcast this Perseid meteor shower live from Pico do Arieiro, thanks to the support of the Associação of Astronomy of Madeira (AAM) and the Portuguese Society for the Study of Birds (SPEA), and from the Roque de Los Muchachos Observatory (Garafía, La Palma), with the collaboration of the Astronomical Dissemination Program / Sodepal-Service of Innovation of the Cabildo Insular de La Palma, of the MAGIC telescopes and of CTAO (Cherenkov Telescope Array Observatory). The appointment will be next Friday, August 12 at 23:15 UT (August 13, 00:15 local time in the Canary Islands and Madeira, 01:15 CEST, local time in Europe) at https://sky-live.tv/ EELabs (eelabs.eu), he explains, is a project financed by the Interreg VA MAC 2014-2020 Program, co-financed by the Feder (European Regional Development Fund) of the European Union, under contract number MAC2/4.6d/238. 5 centers in Macaronesia (IAC, ITER, UPGC, SPEA-Azores, SPEA-Madeira) work at EELabs. The objective of EELabs is to create Laboratories to measure the Energy Efficiency of Artificial Night Light in protected natural areas of Macaronesia (Canary Islands, Madeira and Azores). The Life [email protected] project is co-financed by the Life program of the European Union, coordinated by SPEA, and has as partners the Câmara de Câmara de Lobos, the Câmara Municipal do Funchal, the Câmara Municipal de Santa Cruz, the Câmara Municipal of Machico, the Municipal Chamber of Santana, the Municipal Chamber of Santa Cruz da Graciosa, the Direção Regional dos Assuntos do Mar, Instituto das Florestas e Conservação da Natureza, Institute of Astrophysics of the Canary Islands, Institute of Technology of the Canary Islands, Fluxo de Luz and the Society Spanish of Ornithology. (LIFE [email protected]) Three Spanish Supercomputing centres: the Extremeño Center for Advanced Technologies (CETA-CIEMAT), the Consorci de Serveis Universitaris de Catalunya (CSUC) and the Instituto de Astrofísica de Canarias (IAC) will collaborate in the distribution of the retransmission of the web portal (sky-live.tv). More information on the IAC website.

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