# Massive coronal hole in the Sun! Will it impact the Earth? | Tech News (HT Tech) > The Solar Dynamics Observatory (SDO) at NASA has observed a giant ‘coronal hole’ in the Sun. Know how it will affect Earth. # Massive coronal hole in the Sun! Will it impact the Earth? ## The Solar Dynamics Observatory (SDO) at NASA has observed a giant ‘coronal hole’ in the Sun. Know how it will affect Earth. Aug 21 2022, 22:18 IST ![Follow on Facebook](https://images.hindustantimes.com/tech/static/revamp/images/png/follow-us-facebook.png) ![Follow on Facebook](https://images.hindustantimes.com/tech/static/revamp/images/png/follow-us-facebook-hover.png) ![Share](https://images.hindustantimes.com/tech/static/revamp/images/png/Share.png) ![Share](https://images.hindustantimes.com/tech/static/revamp/images/png/Shareclicked.png) ![Share on WhatsApp](https://images.hindustantimes.com/tech/static/revamp/images/png/whatsapp.png) ![Share on WhatsApp](https://images.hindustantimes.com/tech/static/revamp/images/png/whatsapp-hover.png) ![Share on Twitter](https://images.hindustantimes.com/tech/static/revamp/images/png/twitter.png) ![Share on Twitter](https://images.hindustantimes.com/tech/static/revamp/images/png/twitter-hover.png) ![Share on Facebook](https://images.hindustantimes.com/tech/static/revamp/images/png/facebook.png) ![Share on Facebook](https://images.hindustantimes.com/tech/static/revamp/images/png/facebook-hover.png) ![Bookmark](https://images.hindustantimes.com/tech/static/revamp/images/png/Bookmark.png) ![Bookmarked](https://images.hindustantimes.com/tech/static/revamp/images/png/Bookmarked.png) ![Coronal Hole in the sun](https://images.hindustantimes.com/tech/img/2021/11/27/1600x900/Coronal_hole_in_sun_(NASA)_1637990987524_1637991022269.jpg) These holes in the Sun are actually the result of the opening of its magnetic field that have created a gap in the outer surface. (NASA) ![Author Photo](https://images.hindustantimes.com/tech/static/revamp/images/png/HTTech-new-circle-logo.png) ### By HT TECH Imagine a hole in our giant Sun... scary, right? Then, you will be shocked to know that this is not imaginary, but a reality! A recent image captured by the Solar Dynamics Observatory (SDO), run by NASA, has revealed a large 'coronal hole' in the southern region of our Sun's outer atmosphere where temperatures reach around 1.1 million degrees Celsius. And, to justify your fears, the giant coronal hole in the Sun can have an impact on Earth, as it has created and shot off a stream of gaseous material, which is expected to arrive on Earth in the coming days. The large coronal hole can impact Earth as it could cause some geomagnetic storms to happen in the planet's magnetosphere. The plasma that is emitted from the Sun's outermost layer contains millions of electrons and protons. These ejections from the Sun are directed at the Earth. According to Space Weather, some solar flares have already reached and more are on their way to Earth. These can cause a disturbance in the atmosphere that culminates in the visual spectacle that is the aurora borealis in some of the polar regions. The mesmerizing auroras in the sky on the North and South poles are already visible and you can expect to witness more. Spaceweather.com says, "The display was caused by a stream of solar wind flowing from a southern hole in the sun's atmosphere. The stream reached Earth during the late hours of Nov. 20th and is currently blowing faster than 600 km/s." Also read click here. ### Will this have an impact on GPS navigation? Solar flares can affect Earth's magnetic field. In turn, this could have an impact on GPS mapping, mobile phone transmission and satellite television signals, depending on the severity of the solar flare generated. As seen in other solar flares, these latest solar flares could also have a similar kind of effect. In addition, power grid outages are another consequence of solar flares. However, the chances of any such negative consequences are very slim as the Earth's magnetic field serves as a form of protection against it. ### Have we seen such holes on the Sun's surface before? Yes, of course! Coronal holes happen on a regular basis, last time being in April, 2020. Not just this, earlier in 2018, 2016 also, a massive hole on the surface of the Sun had unleashed strong solar winds towards the Earth which resulted in the northern lights in some of the areas of the polar regions of the Earth. Catch all the Latest Tech News, Mobile News, Laptop News, Gaming news, Wearables News , How To News, also keep up with us on Whatsapp channel,Twitter, Facebook, Google News, and Instagram. 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