Friday, May 21, 2021

Metals found in the atmospheres of comets in and beyond our solar system surprise scientists |

Metal atoms have surprisingly been discovered in the frigid atmosphere of the first known interstellar comet to visit our solar system, a new study finds.

Astronomers have also detected metal in the cold haloes surrounding comets local to the solar system , which suggest our solar system comets and the interstellar visitor may have similar origins, researchers add.

Comets , which are made up of dust and ice left over from planetary formation, could yield key clues to the chemistry of early planetary systems. Scientists often deduce the composition of comets by examining the clouds of gas and dust known as comas that surround the hearts of comets.

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Publisher: Space.com
Date: 2021-05-20T11:20:49 00:00
Author: https www facebook com spacecom
Twitter: @SPACEdotcom
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Possible 'eighth-largest solar system in the world' being built outside Las Vegas will

Maxeon bifacial solar panels will be used in the 690-MW AC Gemini solar project being built on federal land outside Las Vegas . It was previously estimated that when finished, the $1 billion project could be the eighth-largest solar power facility in the world.

Nearly 1.8 million of the high-efficiency Performance 5 UPP bifacial panels will be installed on the project being built and operated by Primergy Solar . Project completion is planned by the end of 2023.

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Publisher: Solar Power World
Date: 2021-05-20T14:38:05 00:00
Author: https www facebook com SolarPowerWorld
Twitter: @SolarPowerWorld
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Solar system donated to help family in need by Sundriven, Firmer & Greentech – pv

As part of Triple M Brisbane's most recent "Lend a Hand" program to build a padded
floating deck at the home of Ollie, a seven-year-old and her family from Arana Hills in
Queensland, Australia. Sundriven jumped on board and teamed up with the Triple M
Brisbane team to design and install a brand new 6.3 kW solar system utilising a Fimer
5.0kW UNO-DM-PLUS-Q inverter.

Triple M, through their "Lend a Hand" program and local partners, have come together to build a safe outdoor padded space for Ollie to play, practice her walking and be with her family. After hearing about the project, Sundriven, a local solar installation company in Brisbane, put their hand up to help the family. Initially, it was to relocate some solar panels as part of an ageing solar system.

Publisher: pv magazine Australia
Author: pv magazine
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Sunrun Solar Opposes the Proposed Solar Energy Tax

The AEMC argues that there's an excess of electricity being fed back into the grid and that the grid can't cope with the levels of electricity being returned. To fight this issue, the AEMC proposes a fee for solar system owners when they pump unused energy back into the network.

While the AEMC model outlines a 7% reduction in feed-in tariff return, experts have predicted a much greater drop in returns, potentially causing losses of close to 80%. This would mean the average solar-powered household would go from seeing a yearly return of $129 to a mere $29 .

Date: 9D28F7743C790DD88F2D9C7375EF7ED5
Author: Sunrun Solar
Twitter: @PRNewswire
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Student-led initiative leads to solar system approved for Kootenay high school – Nelson Star

Adriana Wilson hasn’t quite yet graduated from her Kootenay high school, but she’s already seen her home change in ways that unsettle her.

Born and raised in the region, the Grade 12 student remembers three years ago when flash-flooding destroyed homes in Grand Forks and watches the now-annual wildfires in B.C. that choke the air.

What, she wonders, will the Kootenays look like in a decade? And will she still be able to make it her home?

Publisher: Nelson Star
Date: 2021-05-21T05:30:00-07:00
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Solar Energy Provides Benefits for Home, Businesses and the Environment

Not only will households save on bills, they will actually get money back from their solar system through the feed-in tariff. The Victorian rebate scheme allows solar system owners to sell electricity they haven't used back into electricity networks for others to use. Solar users also have the option of storing the excess electricity in batteries to be used later.

Solar can also benefit businesses by improving a company's environmental image. Almost 80% of Victorians view climate change as one of the most pressing issues of today, and they want to see companies taking action. In fact, Unilever research shows that approximately a third of Victorian consumers actively make purchasing decisions based on the environmental actions of a company.

Date: 9D28F7743C790DD88F2D9C7375EF7ED5
Author: Sunrun Solar
Twitter: @PRNewswire
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The Big Bottling Company installs 950kW solar system, reduces gas

In Ogun State, Nigeria the Big Bottling Company's 950kW solar power installation has come online. The system showcases the commercial and industrial (C&I) market's appetite for renewable energy.

According to Starsight Energy, an African C&I solar power provider, this project is the largest solar solution in Nigeria to date. The installation shows the potential of sustainable power for Nigerian industries.

The Big Bottling Company's Nigerian plant produces Big Cola, Big Orange, and other popular Nigerian drinks. The planned doubling of the plant's production rate required diversification of its energy supply.

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Publisher: ESI-Africa.com
Date: 2021-05-20T07:25:24 00:00
Twitter: @esiafrica
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'Oumuamua May Be an Icy Fragment of a Pluto-Like Exoplanet - Eos

In October 2017, for the first time in history, astronomers spotted an interstellar object on a journey through our solar system. The interloper? 'Oumuamua , a shiny object with a flattened body about half a city block long.

Since then, scientists have followed many clues in attempts to determine what 'Oumuamua is made of—and where it might have begun its journey. Some have hypothesized that it is made of hydrogen ice or water ice, while others have speculated it could be an alien spaceship.

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Publisher: Eos
Date: Est. reading time
Twitter: @AGU_Eos
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