Sunday, May 17, 2020

Astronomers Just Found Another Key Way TRAPPIST-1 Resembles The Solar System

The TRAPPIST-1 system is the most tantalising in our local galactic neighbourhood. It's just 40 light-years away, with seven rocky exoplanets, three of which are in their star's habitable zone. But it takes more than that to make a world truly habitable, so astronomers have been seeking characteristics that can tell us more about the system's history.

Now, breathtaking new research has found that, just like the Solar System's planets orbit in a more-or-less flat plane around the Sun's equator - a bit like a vinyl record - so too do TRAPPIST-1's exoplanets orbit in a flat plane around its middle.

Publisher: ScienceAlert
Author: Michelle Starr
Twitter: @ScienceAlert
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We Just Found Traces of The Solar System's Oldest Fluid in Meteorite Shards

It was the year 2000, and an ancient meteor was at the end of a very long journey. On a winter's morning, it exploded in the skies above Canada, raining hundreds of meteoric shards upon the frozen surface of Tagish Lake in British Columbia.

Collectively, these fragments are called the Tagish Lake meteorite , and they represent a pretty unique find in the study of space rocks. When Tagish hit Earth's atmosphere, the object's mass is estimated to have been up to 200 tonnes , resulting in a huge fireball that could be seen over a wide area.

Publisher: ScienceAlert
Author: Peter Dockrill
Twitter: @ScienceAlert
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Sun lockdown: Is a solar minimum really going to bring famine, freezing temps, and droughts to

It's May 16, 2020, which means that there is nothing out of the ordinary about the phrase 'sun lockdown' trending on search engines and social media.

Most of us are in lockdown, after all, because of the coronavirus pandemic, and so if the sun wants to join us, so be it, right?

Wrong, some exaggerated headlines suggest, as they promise famine, freezing temps, and droughts on Earth because the sun has entered a completely predictable and entirely normal solar minimum, according to Astronomer Dr. Tony Phillips in an interview with The Sun .

Publisher: pennlive
Date: 2020-05-16T12:21:39.644Z
Author: gpickel
Twitter: @pennlive
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Complex Organic Molecules In Low-mass Protostars On Solar System Scales I.

ALMA Band 6 moment 0 images of the COM-rich sources analyzed in this study: B1-c (left), S68N (middle), and B1-bS (right). In color the spatial distribution of CH3OH 21,1–10,1 (top row, Eup = 28 K) and CH3OCHO 217,14–207,13 emission (bottom row, Eup = 170 K) is shown, with the color scale shown on top of each image. The images are integrated over [-10,10] km s−1 with respect to the Vlsr.

Complex organic molecules (COMs) are thought to form on icy dust grains in the earliest phase of star formation. The evolution of these COMs from the youngest Class 0/I protostellar phases toward the more evolved Class II phase is still not fully understood.

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GAF Energy Launches New Expanded Size and Configurations for Their Roof-Integrated Solar System
Date: FAFAE9B495318FCA21E6E67E7EA6B91F
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Global Roof Solar System Market 2020 by Manufacturers, Countries, Type and Application, Forecast

The report entitled Global Roof Solar System Market 2020 by Manufacturers, Countries, Type and Application, Forecast to 2026 released by MarketsandResearch.biz comprises an assessment of the market which provides the real-time market scenario and its projections during 2020 to 2026 time-period. The report offers an understanding of the demographic changes that took place in recent years.

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The following manufacturers are covered in this report, with sales, revenue, market share for each company: Canadian Solar, Hanwha Group, JA SOLAR, JinkoSolar, Trina Solar,

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TRAPPIST-1 Planetary Orbits Revolve Like Our Own Solar System, Astronomers Say | Tech Times

A breathtaking new study discovered that TRAPPIST-1's exoplanets orbit in a flat plane around its middle just like how the Solar System's planets revolve around the Sun's equator like a  vinyl record .

This discovery will allow astronomers to probe the  TRAPPIST-1 's history in refining the solar system models. But locating the planets across the famous star's equator means they're basically orbiting the same inclination on which they formed, making the system's primordial state less challenging to study.

Publisher: Tech Times
Date: 2020-05-15T10:20:00-04:00
Author: Tiziana Celine
Twitter: @TechTimes_News
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Storing wind and solar with new gravity-based system – pv magazine USA

Gravitational potential energy is seriously weak, which is why these gravity schemes are unlikely to be cost-effective! 50 tonnes lowered 5000 feet (1524 m) only stores 212 kWh, so factoring in losses this demo system is at most just two Tesla Model S battery packs. And how many mine shafts are actually are a mile deep? The demonstration picture doesn’t even show a hole in the ground, and I doubt there are such deep holes at *Port* Leith.

Gravitricitry claims its production system will lower 500 – 5000 t, which starts to get interesting. But now you have to manage a set of big, bus-sized weights (assuming they’re made of cheap concrete) on the surface and at the bottom. How many mines have a switching railyard at the bottom to move weights in and out of position? You’re still not storing much energy lowering the entire set of weights, so the system has to be completely automated and reliable.

Publisher: pv magazine USA
Date: 2020-05-14T17:59:23 00:00
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