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TOPICS: economy‚ collapse‚ recession‚ prices‚ inflation‚ middle class‚ decline‚ ISRAEL‚ war‚ Palestine‚ Gaza‚ hostages ————————————————— The Modern Prepper book: https://www.amazon.com/Modern-Prepper-J-H-Zarate/dp/1617045535/ref=mp_s_a_1_1?crid=1RDPD3FGY4OWP&;keywords=the+modern+prepper&;qid=1689569407&;s=books&;sprefix=the+modern+prepper%2Caps%2C120&;sr=1-1 https://m.youtube.com/sponsor_channel/UCBcyBXNCsbx8clN2KSqZlaw?noapp=1 Thank you for supporting me! TRANSCRIPT ON SUBSTACK http://www.preppernow.substack.com https://www.buymeacoffee.com/Preppernow1 JOIN ME ON LOCALS FOR $3 A MONTH https://preppernow.locals.com JOIN ME ON SUBSCRIBESTAR FOR $3 A MONTH https://www.subscribestar.com/preppernow (TIPS/Donations) Cash App: cash.app/$PrepperNow ————————————————— SPONSORS: JASE MEDICAL JASE CASE! Follow The Link! https://www.jasemedical.com/?rfsn=6390154.fa795e4 PREPPER NERD OFFLINE ASSET SYSTEM This is my affiliate link: https://signup.prepper-nerd.com/referral/home/Wz1AWj2DlhRsMbko There are other links available at https://prepper-nerd.com/affiliate-asset-center/ OFFLINE version launch and $20 discount ends Wed 8/3/22 ————————————————— Learn canning with Voodoo Queen cindisevy@gmail.com ————————————————— TELEGRAM Channel https://t.me/crisisreport ————————————————— PrepperNow is an educator‚ prepper‚ father‚ husband and patriot. Working in academia‚ I have a B.A. in political science and an M.Ed. in education. I use the PrepperNow sites to posit my thoughts and post trustworthy material. www.preppernow.net ————————————————— L. I. N. K. S. ————————————————— (ODYSEE) https://odysee.com/@preppernow:61 ————————————————- (Truth Social): @preppernow ———————————————— (Twitter): https://www.Twitter.com/prepper_ now ———————————————— (GAB) https://gab.com/preppernow ————————————————— (RUMBLE) https://rumble.com/user/PrepperNow ————————————————— (MINDS) https://minds.com/preppernow ————————————————— (CRISIS REPORT ON ODYSEE): https://odysee.com/@preparednessnow:9 ————————————————— (CRISIS REPORT) https://YouTube.com/@crisisreport ————————————————— (EMAIL/INTEL) preppernow@protonmail.com ———————————————— (PREPPERNOW YT) https://youtube.com/channel/preppernow ————————————————— (Legal) FAIR USE NOTICE This video may contain copyrighted material; the use of which has not been specifically authorized by the copyright owner. We are making such material available for the purposes of criticism‚ comment‚ review and news reporting which constitute the fair use of any such copyrighted material as provided for in section 107 of the US Copyright Law. Not withstanding the provisions of sections 106 and 106A‚ the fair use of a copyrighted work for purposes such as criticism‚ comment‚ review and news reporting is not an infringement of copywright. #prepping #griddown #war

We live with a star that sends out flares powerful enough to disrupt things here on Earth. Telecommunications‚ power grids‚ even life itself‚ are affected by strong solar activity. But‚ the Sun’s testy outbursts are almost nothing compared to the superflares emitted by other stars. Why do flares happen? And what’s going on at distant stars to ramp up the power of their flares? The answer sounds simple: it’s physics. Or‚ to be more accurate‚ solar and stellar physics. Essentially‚ a flare is a release of magnetic energy from an active region on a star. On the Sun‚ we see that kind of activity connected to sunspot groups‚ which have strong magnetic field lines. Stored magnetic energy accumulates‚ and eventually the lines “snap” and release that energy. It accelerates charged particles in the solar plasma and sends a burst of electromagnetic radiation out to space. Video sequence of a solar loop‚ taken using Solar Dynamics Observatory. This shows an example of “coronal rain” of superheated plasma showering down from the loop to the surface of the Sun. Courtesy: NASA/SDO. Explaining Supeflares at Other Stars The same sequence of events happens on other stars. Other stars have spots‚ although the ones we see from Earth are generally much larger than the Sun’s. In some cases‚ starspots can cover up to a third of a star’s “surface”‚ with attached magnetic fields. It’s no surprise‚ then‚ that those stars would also generate flares. An artist’s conception of what star spots look like on a superflare star. Courtesy Subaru Telescope. Scientists usually refer to those outbursts as stellar flares. Some stars are active enough to produce “super flares”‚ which are generally anywhere from 100 to 10‚000 times brighter than flares from the Sun. Superflaring stars have stronger magnetic fields than the Sun‚ which accounts for their brighter activity. Interestingly‚ some of those flares are accompanied by an unexpected flare of brightness‚ which is then followed by a less-intense‚ longer flare. Scientists wanted to know why this interesting “hiccup” in the flares occurs in superflares. So‚ a team led by postdoctoral researcher Kai Yang and associate professor Xudong Sun of the University of Hawaii Institute for Astronomy looked to the Sun to create a useful model of the phenomenon. They then looked at light curves of stars in data from the Kepler and TESS telescopes to look for a peculiar “peak-bump” hiccup in the output of light. “By applying what we’ve learned about the Sun to other‚ cooler stars‚ we were able to identify the physics driving these flares‚ even though we could never see them directly‚” said Yang. “The changing brightness of these stars over time actually helped us “see” these flares that are really far too small to observe directly.” Modeling the Outbursts It’s impossible to see the phenomena that produce the “peak-bump” hiccups at other stars. So‚ Yang and the team looked at something that forms on the Sun all the time: coronal loops. Originally‚ astronomers suspected that the visible light from flares on other stars (and the Sun) came from the lower layers of the stellar atmosphere. They get heated by superheated particles that get energized by magnetic outbursts (called “reconnection”) and rain down from the corona. The reconnection process involves large loops of magnetized plasma that stretch out from the solar surface into the corona. They break and then reconnect. That releases a lot of energy in a very short amount of time. The process superheats the plasma that energizes the flare activity. The team at Hawai’i asked if the same process could produce that peak-bump hiccup they saw at other stars. Taking solar data and the observations from TESS and Kepler‚ Yang adapted a fluid simulation used to create models of solar loops. He scaled it up and found that the large energy from a flare pumps a lot of mass into the loops. That creates a dense‚ visible-light emission at the beginning of the flare‚ very much like the peak-bump scenario. The model Yang and the team created replicates the events on the Sun and may very well explain the flares seen at other stars‚ particularly in the TESS data. Further studies and observations should focus on the timing and placement of these flares. The team points out that more extreme ultraviolet observations could benefit their understanding of the underlying physics of superflares. Superflares and Life Life on planets around stars with superflares would be interesting‚ to say the least. The most active superflare stars are those of M-‚ K-‚ and G-type dwarfs. The most powerful superflares would probably wipe out life on nearby planets‚ or at least drive some severe extinction events. However‚ stars emitting “not-so-powerful” flares might drive the creation of organic compounds needed for life. Maybe that’s part of the history of life on our planet. Illustration showing the possible surface of TRAPPIST-1f‚ one of the newly discovered planets in the TRAPPIST-1 system. It’s a very active flare star. Credits: NASA/JPL-Caltech People often ask what would happen if the Sun emitted a superflare. It probably won’t for a long time‚ but it is certainly capable of emitting very strong ones. Evidence of a strong one more than 14‚000 years ago is etched into tree trunks of that time. In more recent times‚ a strong storm called the Carrington Event disrupted the nascent telegraph communications lines across the world. In 1989‚ another storm knocked out the power grid across parts of northeastern North America. Scientists study tree rings because they retain a record of climatic events and changes. They also record the Sun’s activity. Image Credit: Rbreidbrown/Wikimedia Commons‚ CC BY-SA So‚ while we aren’t “blessed” with a star that sends superflares at us‚ we are at risk from the Sun’s much smaller activities. Studying its outbursts‚ as well as those from other stars‚ gives scientists a good idea of what to expect‚ and maybe someday‚ how to predict such storms with greater accuracy. For More Information Physics Behind Unusual Behavior of Stars’ Super Flares DiscoveredA Possible Mechanism for the “Late Phase” in Stellar White-light FlaresLargest Known Solar Storm Struck Earth 14‚300 Years Ago The post How Do Superflares Get So Powerful? appeared first on Universe Today.

We have been treated to some amazing aurora displays over recent months. The enigmatic lights are caused by charged particles from the Sun rushing across space and on arrival‚ causing the gas in the atmosphere to glow. Now researchers believe that even on exoplanets around pulsars we may just find aurora‚ and they may even be detectable.  Pulsars are the remains of super massive stars that have reached the end of their life. During most of a stars life‚ they synthesise heavier and heavier elements in their core‚ the outward force of the thermonuclear pressure balances force of gravity. As the star evolves‚ eventually gravity wins‚ the star implodes and the shockwave causes it to blow itself to pieces….almost. All that remains is a rapidly rotating gigantic neutron that blasts out a pulse of radiation and as it rotates‚ the radiation beam sweeps out across space we call these‚ pulsars.  Visualization of a fast-rotating pulsar. Credit: NASA’s Goddard Space Flight Center Conceptual Image Lab The first exoplanets that were discovered were found around pulsars.  By studying the pulses of radiation from host star‚ astronomers detected slight irregularities in their otherwise clock-like rhythm. The cause; planets orbiting the pulsar. In a new paper published on 7 December by a team of Swiss scientists‚ they propose that exoplanets around pulsars may well experience aurora by simulating their magnetic environment.  Most pulsars travel through space without any companions but a tiny proportion of them‚ of the order of 0.5% are thought to have planetary companions. The paper discusses attempts to simulates the magnetic interactions of pulsars and their planets to estimate the amount of electromagnetic radiation being emitted. The simulations focussed on millisecond pulsars and the planets around them and looked at the potential outcome for detecting planets using radio emissions. Two planetary candidates without their own magnetic field were studied‚ those with conducting surfaces and those with electrically uncharged surfaces.  The density of radio flux (flow of energy in or out – measured in Jansky units) is of the order of 0.1mjy to 30mjy (mill-janksy).  The frequency the team concluded would be above the level that would be absorbed by plasma but below the level that would be blocked by the ionosphere. The LOFAR ‘superterp’‚ part of the core of the extended telescope located in the Netherlands. Credit: LOFAR/ASTRON The conclusion was positive‚ from the simulations the team showed that planets around millisecond pulsars are most certainly observable with current radio telescope technology. LOFAR (Low Frequency Array) or the future developments of SKA (Square Kilometre Array) are certainly capable having a minimum sensitivity of around 0.1mjy and 0.001mjy respectively. It’s also possible that any aurora in the system may also be detectable.  Source : Auroras on planets around pulsars The post Planets Orbiting Pulsars Should Have Strange and Beautiful Auroras. And We Could Detect Them appeared first on Universe Today.

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