Technology SpaceX rocket carved giant hole in the ionosphere

16:46  26 march  2018
16:46  26 march  2018 Source:   Engadget

USA Today’s first AR app brings a rocket launch to your table

  USA Today’s first AR app brings a rocket launch to your table After a series of VR apps like The Wall and USS Eisenhower VR, USA Today Network is now exploring storytelling on another new (ish) platform: AR. 321 Launch is the network's first AR app, and it's designed to deliver what it says is the "industry's first, multi-layered interactive experience for space news and content." It's a collaboration between USA Today and one of the company's local news brands Florida Today, which makes sense since the Kennedy Space Center is in that state. The app releases today, and you can try it out if you're using an iPhone 6S or later with at least iOS 11, or a handset running Android 7.

SpaceX 's rocket , however, was carrying such a light payload (Formosat-5 weighed just 1,047 pounds) that it could and did take a near-vertical path. The ionosphere hole didn't cause much chaos by itself.

Nissan is testing the product today in Namie, Japan -- a city that was abandoned after the Fukushima nuclear disaster -- and plans to do a full-scale installation in the town later this year. He's proved he can launch a rocket , but the Earth is as round as ever.

  SpaceX rocket carved giant hole in the ionosphere © Provided by Engadget Rockets can leave a mark on the atmosphere well after they've left, and SpaceX may have learned that first-hand. Researchers have determined that a Falcon 9 launch in August 2017 (the Formosat-5 mission above) not only created circular shockwaves, but cut a 559-mile hole in the plasma of the ionosphere that lasted for up to 3 hours -- it was akin to a localized magnetic storm. The phenomenon was produced by virtue of the rocket's light payload.

As Ars Technica noted, most rockets have a curved trajectory to reduce the effect of gravity and alleviate stress. SpaceX's rocket, however, was carrying such a light payload (Formosat-5 weighed just 1,047 pounds) that it could and did take a near-vertical path. Think of it as dropping a rock in the water instead of skipping it -- you're going to create a much bigger splash.

The ionosphere hole didn't cause much chaos by itself. However, more frequent and more powerful launches with these kinds of disruptions could significantly skew GPS navigation. Rocket operators may have to watch their launches going forward to be sure they don't play havoc with phones and cars on the ground below.

Wiley

SpaceX launches reused cargo ship to space station .
A SpaceX Dragon cargo ship bound for the space station will deliver nearly 3 tons of supplies and equipment into space for a two-day flight to the International Space Station. Equipped with a previously flown first stage and a Dragon cargo capsule making its second flight to the lab complex, the Falcon 9 thundered away from pad 40 at the Cape Canaveral Air Force Station at 4:30:38 p.m. EDT (GMT-5), climbing directly into the plane of the station's orbit.

Source: http://us.pressfrom.com/news/science-and-technology/-129951-spacex-rocket-carved-giant-hole-in-the-ionosphere/

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