Tag: Earth (page 49 of 327)

Massive Light Show Over Russian Urals Stuns Locals, Scientists


An extraordinary bright orange flash has lit up the sky in Russia’s Sverdlovsk region in the Urals. While locals captured the massive ‘blast’ on numerous cameras, both scientists and emergency services still struggle to explain the unusual event.

Dark evening skies in the town of Rezh in Sverdlovsk region near Russia's Ekaterinburg turned bright orange for some ten seconds on November 14, with the event being caught on several cameras by the locals.

A driver filmed the massive flash with his dashcam, later posting the video on YouTube, with more people commenting they’ve seen it too. Teenagers in the town of Rezh also filmed the phenomenon with a mobile phone.

Theories of what might have caused the “blast” appeared both on social and traditional media, with a new meteorite or military exercise in the region being among the top guesses. Regional emergency services said no accidents in connection with the event had been recorded. No sound of explosion has been reported either.

According to E1.ru, the emergency officials suggested the military were behind the flash, as they might have had a scheduled explosive ordnance disposal procedure. The city administration has also said such ammunition disposal might have taken place, while the military themselves denied they were behind the mystery. 

A fireball caused by an asteroid’s collision with the Earth's atmosphere is among other presumed reasons for the burning sky.

Another astronoma, Vadim Krushinsky, doubted his colleague's theory, saying the color of the flash does not support the asteroid speculation. The shade of light depends on the body’s temperature, and flashes caused by bolides are usually whiter, he explained to Ekburg.tv. The observatory engineer suggested his own theory, saying a space rocket launch might have been the cause.

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A path of launches from the Plesetsk cosmodrome lies above the area, Krushinsky said. But, according to Russian Federal Space Agency's website, the latest launch from the Plesetsk cosmodrome happened on October 29, with the next one planned for November 24.

People in the Urals witnessed a space ‘invasion’ event a year and a half ago, when the famous Chelyabinsk meteorite hit the region. A massive fireball explosion in February 2013 injured over a thousand people with shattered glass mostly, and damaged many residential and industrial buildings.

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MIT Scientists Found an Invisible Force Field Protecting Earth

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The invisible force field seems to be taken from a Star-Trek movie script – it’s invisible, it’s steady, and it doesn’t allow harmful cosmic radiation penetrating into our planet’s atmosphere. Massachusetts Institute of Technology researchers say it was first noticed by two NASA spacecrafts orbiting the Van Allen radiation belt on a 7,200 miles (11,000 km) altitude.

This new invisible force field protecting Earth does a very good job at blocking highly radioactive electrons populating Earth’s upper atmospheric region. NASA said these “ultrarelativistic” electrons were extremely aggressive and they easily circulate in space at speeds very close to the speed of light. They also fry everything on their way from spacecrafts to communication satellites. NASA launched two probe crafts, the Van Allen probes, for the sole purpose of studying these electrons and improving the safety level of their spacecrafts and crew.

NASA says although these electrons are attracted towards Earth by its magnetic field, they cannot get closer than 7,200 miles to it due an invisible shield-like barrier, never detected before. This barrier protects Earth from harmful cosmic radiation and has already done a good job in the past by deflecting several solar blows directed towards Earth. It seems that this mysterious force field operates on low frequency electromagnetism, but its source is still uncertain.

In the end, researchers found out that the barrier was probably generated by the plasmaspheric hiss, a phenomenon occurring in the upper parts of the atmosphere. This plasmaspheric hiss deviates from orbit the fast-moving dangerous particles, and sets them on a parallel plan to one of the Earth’s magnetic field lines, forcing them to fall into the atmosphere, collide with neutrally charged particles, and disappear.

Mary Hudson, professor of physics, said the new NASA observations made over more than two years through its Van Allen probes confirmed the inner barrier’s existence, and brought invaluable new information to the particle acceleration theory.

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NASA Is Building a Sustainable ‘Highway’ for Unprecedented Deep Space Exploration

Excerpt from huffingtonpost.comIn early December, NASA will take an important step into the future with the first flight test of the Orion spacecraft -- the first vehicle in history capable of taking humans to multiple destinations in deep space. An...

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Earth ‘has Star Trek force fields’

Excerpt frombelfasttelegraph.co.ukA US team discovered the barrier, some 7,200 miles above the Earth's surface, that blocks high energy electrons threatening astronauts and satellites.Scientists identified an "extremely sharp" boundary within the Van...

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Discovery Of Vast Buried Canyon In Tibet Has Scientists Buzzing

The Yarlung Tsangpo Valley in TibetExcerpt from huffingtonpost.comResearchers have made a surprising discovery in Tibet, unearthing an ancient canyon buried deep under sediment along the Yarlung Tsangpo River in the southern part of the country. The ca...

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Could ‘Interstellar’ Wormhole Travel Actually Happen?

Excerpt from  techtimes.com Interstellar may be attracting viewers to the movies at warp speed, but wormholes like the one featured in the new film are likely a reality, deep in space.The movie Interstellar follows a group of astronauts who...

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Study: Space travel causes higher heart rates and more fainting in women than men

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Space travel has different health effects on men than it does on women, according to a recent study jointly conducted by NASA and by the National Space Biomedical Research Institute (NSBRI).
The study, which looked at 477 male astronauts and 57 female astronauts, all of whom had been to space up to June 2013, was conducted in anticipation of longer duration spaceflights in the future. One of these will include a manned mission to Mars in the 2030s.

Six working groups studied data from the spaceflights in which the astronauts had participated. They concentrated on cardiovascular, sensorimotor, behavioral, musculoskeletal, immunological, and reproductive systems and negative impacts on these due to having spent long periods in space.

In several of these areas, men appear to tolerate spaceflight better than women. Female astronauts tended to experience increased heart rates in times of stress and had higher rates of Urinary Tract Infections (UTIs), as well as higher rates of cancer caused by radiation, than their male counterparts.

After returning to Earth, women astronauts also had a harder time standing without fainting–a condition known as orthostatic intolerance–than did men.

Men were found to be more likely to experience loss of hearing and vision as consequences of space travel, the study indicated.

Behavioral responses appeared the same in both genders.

The study is reported in a recent issue of the Journal of Women’ Health.

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