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Solar system welcomes strange interstellar visitor | Rome Daily Sentinel
Arizona State University astronomers reported this week that the strange 148-foot (45-meter) object that appears to be made of frozen nitrogen, just like the surface of Pluto and Neptune's largest moon Triton.
The study's authors, Alan Jackson and Steven Desch, think an impact knocked a chunk off an icy nitrogen-covered planet 500 million years ago and sent the piece tumbling out of its own star system, toward ours. The reddish remnant is believed to be a sliver of its original self, its outer layers evaporated by cosmic radiation and, more recently, the sun.
ASUNIM completes the first 2.64MWp industrial rooftop solar system for Gülermak steel
The rooftop system provisional acceptance for Gülermak Steel Construction was finalised by ASUNIM this week. The power plant of 2.64 MWp is designed to be able to produce close to peak level even in harsh winter conditions.
The solar power plant (SPP), in addition to being the first industrial SPP project established in Aliağa, also stands out with special regulations made to prevent performance loss. Thanks to these adjustments, it will be possible to obtain high efficiency from the power plant in harsh winter conditions as in the summer. In order to achieve this performance, the PV generators were designed to be positioned on the roof in order to minimize the loss between PV generators and PV modules.
Tesla whistleblower on solar fires interviewed in CPSC probe
A U.S. federal agency is considering as evidence a former Tesla employee's complaint about how the company managed and communicated about fire risks and defects in its solar installations, CNBC has learned from documents received through a Freedom of Information Act request.
The U.S. Consumer Product Safety Commission is proceeding with an investigation and has also interviewed the former Tesla employee who filed the complaint in spring 2019, Steven Henkes, who was then a Tesla solar field quality manager.
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Minute to design it: Solar design apps save time creating proposals for owners – pv
In a sales environment where only one in 10 viable solar projects moves forward, getting from a good idea to a firm decision by a customer needs to happen fast. Here’s how one commercial solar installer makes technology work.
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Only a few years ago, showing up prepared for a potential client involved Google Earth, a ruler, and an inkjet printer. This took time, and the numbers were always rough.
So, let’s imagine ourselves as solar developers under pressure and tasked with creating a design for a client proposal in only one minute. The 60-second race is on!
Planets outside the Solar System are waiting to be found | Research Matters
Astronomers detected a planet outside our Solar System orbiting a star like our Sun, for the first time in 1995. Known as 'exoplanets', the theoretical understanding of the formation of stars had long pointed to the existence of such worlds. Before 1995, astronomers had claimed to discover exoplanets, but it was difficult to confirm these discoveries. Later, it turned out that one such claim, made in 1988, was indeed correct.
In 2009, NASA launched a space-based telescope dedicated to finding exoplanets. It was called Kepler, in memory of the 17th-century astronomer Johannes Kepler, who discovered the laws of planetary motion. Thanks to this telescope, the number of discovered planets has gone up significantly over the years. Today, it numbers more than 4300. Astronomers have found planets with considerable diversity in sizes and kinds –– from rocky Earth-like planets to gas giants like Jupiter to icy worlds.
NASA Spacecraft Unmask High-Energy Blast That Swept Through the Solar System – Magnetar Eruption
Scientists think the giant flare cataloged as GRB 200415A began with an abrupt rearrangement of a magnetar’s magnetic field, possibly caused by a starquake. This change produced a quick, powerful pulse of X-rays and gamma rays (magenta). The event also ejected a blob of electrons and positrons traveling at about 99% the speed of light. Credit: NASA’s Goddard Space Flight Center/Chris Smith (USRA/GESTAR)
This finding confirms long-held suspicions that some gamma-ray bursts (GRBs) – cosmic eruptions detected in the sky almost daily – are in fact powerful flares from magnetars relatively close to home.
Scientists Reveal How Many Interstellar Objects May Be Visiting Our Solar System
In October 19th, 2017 , the first interstellar object ever detected flew past Earth on its way out of the Solar System. Less than two years later, a second object was detected, an easily-identified interstellar comet designated as 2I/Borisov .
The appearance of these two objects verified earlier theoretical work that concluded that interstellar objects (ISOs) regularly enter our Solar System.
The question of how often this happens has been the subject of considerable research since then. According to a new study led by researchers from the Initiative for Interstellar Studies (i4is), roughly seven ISOs enter our Solar System every year and follow predictable orbits while they are here.
Happening on Twitter
US Air Force says it will test bizarre 'hypersonic' weapon this month https://t.co/bY4LSbLaUV https://t.co/PJfQTxwxwC SPACEdotcom (from NYC) Tue Mar 16 11:37:34 +0000 2021
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