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SHOCK! The Geocenter Of The Earth Is CHANGING
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Ever seen the movie 2012? Well, not something like that, but in the longer term, you can speak of something like that. Nah, we're joking, of course! In today's episode, we are here to speak about certain variations in the first and second-degree gravitational harmonics of the Earth. Confused? In short, the geo centre of the Earth is changing! Well, that sounds concerning, doesn't it? Let's see!
Hey folks, welcome back, and you are watching Skyes TL. (Note to VO: voice this part by sounding excited). What are you guys waiting for? Like, share, and subscribe.
We all use navigational apps on a regular basis; most likely, you'll be using an app that uses GPS to locate your exact location on Earth. What you may not realize is that underlying your favourite navigation software lies an invisible architecture of systems that work together to provide you with an accurate position and that the cornerstone of these systems is a TRF or terrestrial reference frame. So you might be getting that the TRF is based on a precise determination of the geo-centre of the Earth, which is essentially the Earth's centre mass. One issue is that the geo-centre is continually shifting in relation to the Earth's surface. Scientists can compute where the geo-centre of the Earth is at any given time to a few millimetres using a network of ground stations equipped with telescopes and lasers that shoot pulses at certain satellites. As a result, a reference frame is essential in any mapping, location, positioning, or navigation application.
What we have here is that this geometric centre of all land surfaces on Earth or the superficial barycenter of the mass distribution produced by treating each continent or island is being altered. So what exactly is this happening?
Despite our orientation to thinking of Earth as a static entity, it is, in fact, a dynamic and ever-changing dome. The terrain is eroded and shaped by wind, water, and ice. Volcanic activity and earthquakes change the Earth's geo-centre in spectacular and often destructive ways. On a far longer time scale, the movement of the Earth's plates gradually reconfigures seas and continents. Each one of these processes has a role in the Arctic and Antarctica.
Water covers nearly 70% of the Earth's surface, rendering it inhospitable to humans. The 30 per cent of the Earth's land surface covered by land surfaces is spread out in an unusually shaped array of continents and islands, all of which are either inhabited or potentially livable by man. Three of the seven big continents, as well as two more, are genuinely connected.
Erosion is one of the causes of this. Wind, water, and ice are basically the three main factors responsible for erosion or the removal of rock, sediment, and soil. Weathering, the physical or chemical disintegration of minerals in the rock, is distinct from erosion. Weathering and erosion, on the other hand, can occur together. Erosion is a natural process, but it is often accelerated by human activity on the soil. Deforestation, overgrazing, development, and road construction all expose soil and sediments, resulting in increased erosion. Excessive erosion causes soil loss, ecological harm, and silt accumulation in water sources. Erosion can be reduced by constructing terraces and planting trees.
Well, erosion wasn't just the one that washed away everything. The sea level was lower during the glacial epoch, and a land bridge across the Bering Strait connected Eurasia to the Americas. A land bridge between the Malaysian Peninsula and the Indonesian islands may have connected Australia to Asia.
A major portion of Earth's mass lies in the Arctic and Antarctic. Glacial erosion has altered much of the terrain in the Arctic and sub-Arctic. Glaciers degrade largely by plucking and abrasion. Plucking happens when a glacier runs over bedrock, softening and lifting chunks of rock transported into the ice. Because of the strong pressure at the glacier's base, part of the ice melts, generating a thin layer of subglacial water. This water seeps through bedrock fissures. When the water refreezes, the ice serves as a lever, lifting the rock and freeing it. As a result, the broken rock becomes part of the glacier's weight and is carried along as the glacier advances slowly.
Glacial erosion may be seen in the U-shaped valleys and bays found across the Arctic and sub-Arctic areas. Glacial moraines arise as a glacier recedes, leaving enormous mounds of rock, gravel, and sometimes boulders behind. Moraines can occur at the glacier's foot or sides or in the centre of two merging glaciers.
Coastal erosion has been a big concern in the Arctic in recent years, with Alaska's North Slope losing up to 30 meters, or over 100 feet, every year! Can you believe it? The main reason is assumed to be climate change. As the temperature warms and sea ice melts, ocean water absorbs more of the sun's energy. As this heat is transported to the land, the permafrost, which is simply frozen soil, warms up, putting the shoreline vulnerable to erosion from wave action and storms, which are becoming more common as temperatures rise and the open sea expands.
In fact, even the winds play a huge role in transporting mass from one place to another. Katabatic winds have a significant effect on erosion in Antarctica. This form of wind arises when high-density cold air accumulates at high elevations, such as atop ice sheets, and travels downwards due to gravity. Katabatic winds in Antarctica and Greenland are very cold and rapid, frequently approaching hurricane force. Small grains of sand carried by the winds in Antarctica scour and erode the exposed rocks, resulting in strange patterns and formations. Ventrifacts are unusually formed eroded rocks.
If you want to learn more about this geocentric shift, one must look more into the tectonic plates. Plate tectonics explains the movements of the Earth's lithosphere, or the outermost layer of hard, solid rock, over geologic time. Scientists can learn a lot about the past of the polar regions thanks to plate tectonics. The lithosphere of the Earth is divided into seven major and numerous smaller tectonic plates. These plates shift in respect to one another, gradually shifting the position of the Earth's continents and seas. Geological data from Antarctica supports the notion that North America and Antarctica were formerly united in the global supercontinent Rodinia some one billion years ago. The continents gradually separated, only to re-join some 200 million years ago as the supercontinent Pangaea. Fossil evidence from this time period reveals that Antarctica was linked to Australia and South America and was much warmer than it is today.
Because of the movement of the tectonic plates, this shift is linked to most of the world's volcanic and seismic activity. The majority of volcanoes form near plate borders when two plates are moving apart or together. A few volcanoes, such as the Hawaiian Islands, originate as a result of a hot spot or a weak region in the Earth's crust when magma makes its way to the surface. This is a fine way of mass action on Earth.
So we now know that the Earth's form is continually changing and that land masses are always shifting. It's at low levels, so it's not something you'd feel for yourself. As a result, we're continually monitoring what's going on with the Earth as a whole and the Earth's surface. To do this, NASA and international partners monitor measurement sites located across the world to identify where, how much, and in which direction our planet is changing. Because the Earth's surface is constantly changing, any measurement is not in a fixed coordinate system. It must consider the fact that it is tied to the landmass and where that landmass is at any given time.
And, like a coordinate system drawn on paper, the TRF has an origin, or in this case, the central mass of the Earth known as the geo-centre. As a result, many Earth-observing satellites orbit around the Earth's centre mass rather than its geographic centre.
As a result, pinpointing where it is is crucial for scientists to ensure that our Earth measurements are reliable. This data is utilized to create higher-level goods, geodetic products, that may be used by NASA missions for a variety of scientific applications. NASA cannot accomplish this alone since it is a worldwide measurement. We rely on the worldwide community to provide all of the data required for global coverage. Anyways we'll be facing more issues regarding the mapping of the environment due to this geocentric shift.
So coming to the end of the video, did you love today's episode? Anyways, drop in your ideas about what's happening with our Earth's geographical centre in the comments section below and also if we have missed out on any information. This isn't the end of this story; more interesting stuff will come up in the coming days, and we here at the Skyes TL will deliver the best of the content to you folks. That's about it for today. Make sure to subscribe to our channel for more content just like this one. And while you're at it, turn on post notifications so that you never miss out on any of our future uploads. Drop a like for the video if you're a massive fan of space-related stuff… Hope you enjoyed the video. We will meet again in the next one.
Why Does Nasa CONTINUE Testing Mega Moon Rocket?
FULL VIDEO >>> https://youtu.be/UI17iZCdI60
Man’s dream to conquer its next-door neighbor the moon has been one dreamt but then many of you may think that we achieved it already in July 1969. Then what is the NASA Mega Moon Rocket project and what is the hype around it.
Hey guys and welcome to the show today we are gonna be talking about the Mega Moon project by NASA.
NASA is the premier space organization that has been on top of the space mission all across the world. The feats that they have achieved ever since their establishment have been the stuff of dreams. Mega Moon Rocket is going to be a new step in the same direction where NASA is going to attempt to take space technology to whole another level.
Throughout this video, we will try and find out why is NASA continuing to test Mega Moon Rocket?
The Space Launch System or SLS is a super heavy-lift expendable launch vehicle that NASA has been designing and developing for the past 11 years now. Now in April reports have come that the launch is scheduled for the August of this year. If it goes according to the plan then this is going to be the culmination of the work of the previous decade. It has been created to replace the previously used launch vehicles of Ares I and Ares V. It is intended to create a new legacy for NASA’s space exploration plans in the new decade of the 2020s.
Hubble JUST Confirms LARGEST Comet Nucleus Ever Seen
Hey guys, Welcome back to our channel. Thank you for joining us today.!! Today we will be speaking about Hubble JUST Confirms LARGEST Comet Nucleus Ever Seen. Please watch the entire video to figure out all the details. And guys, don't forget to like, share, subscribe and click the bell notification. Alright then, Let's Get Started!!!!
A distant mark of light caught by NASA's Hubble Space Telescope has been affirmed as the largest comet at any point recognized. Stretching 80 miles wide, the comet, known as C/2014 UN271 or Bernardinelli-Bernstein, is bigger than the state of Rhode Island, reports Chelsea Gohd for Space.com.
Hubble decided the size of the largest frigid comet nucleus at any point found. Also, it's huge! With a measurement of roughly 80 miles across, it's around 50 times bigger than average comets. Its 500-trillion-ton mass is a hundred thousand times more noteworthy than the typical comet.
NASA's Hubble Space Telescope has decided the size of the largest frigid comet nucleus at any point seen by astronomers.
The observations observed that the comet is 50 times bigger than the typical comet center and will pass by the Sun in the following ten years. Details on the comet's discovery were published in The Astrophysical Journal Letters.
The colossal comet might be dashing our direction from the Oort cloud at a speedy 22,000 miles each hour, per Space.com. It is normal to make its closest methodology in 2031 at one billion miles from the Sun.
Shocking Cosmic Milestone: NASA Confirms 5,000 Exoplanets
Ever since man started to look up to the sky, he always dreamt about going far into space, searching for new planets, especially ones that could support life. Well, now we have crossed a tremendous cosmic milestone. Yes, NASA now confirms the presence of 5000 exoplanets. Exciting, right! Just think about it, "how would they look like; would they support life"? Yea, in today's episode, we will be answering these questions. Let's jump straight into it!
Hey folks, hope you guys are doing good! Welcome back once again to Skyes TL! (Note to VO: voice this part by sounding excited). What are you guys waiting for? Like, share, and subscribe.
What did you expect these planets would look like when we first asked? What was the first thing that sprang to your mind? "Is there a planet that rains glass or pours fire?" Let's see what happens.
Verified exoplanets have now surpassed 5,000, marking a 30-year odyssey of discovery headed by NASA space telescopes. Not long ago, we lived in a cosmos with only a few known planets, all of which orbited our Sun. However, a recent slew of discoveries marks a watershed moment in science. More than 5,000 planets are now verified to exist beyond our solar system. On March 21, the planetary odometer was reset when the current batch of 65 exoplanets, or planets outside our solar system, were uploaded to the NASA Exoplanet Archive. This repository contains exoplanet discoveries that have been verified using various detection methods or analytical techniques and have appeared in peer-reviewed scientific journals.
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Hey Guys, Welcome back to our channel. Thank you for joining us today.!! Today we will be speaking about NASA's Astronomers Find Two Giant Black Holes Spiraling Toward a Collision. Please watch the entire video to figure out all the details. And guys, don't forget to like, share, subscribe and click the bell notification. Alright then, Let's Get Started!!!!
A supermassive blackhole 9 billion light-years away seem to have a sidekick, Blackhole circling it. As the orbit recoils, the pair draws nearer to combining.
Super massive black holes millions to billions of times the mass of our Sun lie at the core of most worlds, and space experts are anxious to know how these behemoths became. While they think it generally came about because of no less than one consolidation between two more modest supermassive black holes, researchers are short on perceptions that could give knowledge. Since only one set of supermassive black holes en route to a consolidation had been found.
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What you need to know about black holes
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What you need to know about black holes What You Need to Know About Black Holes Right NowHi, everyone! I hope you are ready for a little science lesson because today we will be talking about black ...