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NW7US
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The official VLOG of Tomas, NW7US; Space Weather, Radio Communications, Pipe Tobacco, and more...
The official VLOG of Tomas, NW7US; Space Weather, Radio Communications, Pipe Tobacco, and more...

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Plasma streamed above the edge of the Sun for over a day #spacewx #spaceweather

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close-up of twisting plasma above Sun (June 7-8, 2016) #spaceweather #hamr

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Take a front-seat view of the Sun in this 30-minute ultra-high definition movie in which NASA SDO gives us a stunning look at our nearest star.

This movie provides a 30-minute window to the Sun as seen by NASA's Solar Dynamics Observatory (SDO), which measures the irradiance of the Sun that produces the ionosphere. SDO also measures the sources of that radiation and how they evolve.

Charged particles are created in our atmosphere by the intense X-rays produced by a solar flare. The solar wind, a continuous stream of plasma (charged particles), leaves the Sun and fills the solar system with charged particles and magnetic field. There are times when the Sun also releases billions of tons of plasma in what are called coronal mass ejections. When these enormous clouds of material or bright flashes of X-rays hit the Earth they change the upper atmosphere. It is changes like these that make space weather interesting.

Sit back and enjoy this half-hour 4k video of our Star: https://www.youtube.com/watch?v=sq4PlyNkm2Y

-- NW7US

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Ultra-High Definition (4k) View of Our Sun by SDO NASA #spaceweather #hamr

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Awesome. Not sure how I missed this community. I am glad that my friend +Cliff Fox invited me in. Thanks, Cliff.

I've been a licensed ham since 1990 (early in the year). I have been a radio enthusiast since about 1972, mostly as a shortwave radio listener. I did study electronics and Morse code starting around 1974. I just never had a connection with any hams until 1989.

I'm still primarily an HF guy, with SWLing and operating digital mode amateur radio, along with Morse code (SKCC group is my main hangout).

I am the columnist for space weather and radio propagation, in CQ Amateur Radio Magazine, as well as The Spectrum Monitor.

I run a website, a YouTube channel, and a Facebook page on ham radio and space weather. I also do that here on Google+ -- all the links will be below.

For now, check out me... explaining just a very brief introduction to the world of shortwave amateur radio in this YouTube video:

https://www.youtube.com/watch?v=pIVesUzNP2U

So, here is a list of stuff with which I am involved:

+Tomas Hood
http://SunSpotWatch.com
https://fb.me/spacewx.hfradio
https://YouTube.com/NW7US


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This cool video (in ultra-high definition 3840x2160 - 4k on YouTube) shows the Sun during the entire year, 2015. The video captures the Sun in the 171-angstrom wavelength of extreme ultraviolet light. Our naked, unaided eyes cannot see this, but this movie uses false-colorization (yellow/gold) so that we can watch in high definition.

The movie covers a time period of January 2, 2015 to January 28, 2016 at a cadence of one frame every hour, or 24 frames per day. This timelapse is repeated with narration by solar scientist Nicholeen Viall and contains close-ups and annotations. The 171-angstrom light highlights material around 600,000 Kelvin and shows features in the upper transition region and quiet corona of the sun.

The sun is always changing and NASA's Solar Dynamics Observatory is always watching. Launched on Feb. 11, 2010, SDO keeps a 24-hour eye on the entire disk of the sun, with a prime view of the graceful dance of solar material coursing through the sun's atmosphere, the corona. SDO's sixth year in orbit was no exception. This video shows that entire sixth year--from Jan. 1, 2015 to Jan. 28, 2016 as one time-lapse sequence. Each frame represents 1 hour.

SDO's Atmospheric Imaging Assembly (AIA) captures a shot of the sun every 12 seconds in 10 different wavelengths. The images shown here are based on a wavelength of 171 angstroms, which is in the extreme ultraviolet range and shows solar material at around 600,000 Kelvin (about 1 million degrees F.) In this wavelength it is easy to see the sun's 25-day rotation.

During the course of the video, the sun subtly increases and decreases in apparent size. This is because the distance between the SDO spacecraft and the sun varies over time. The image is, however, remarkably consistent and stable despite the fact that SDO orbits Earth at 6,876 mph and the Earth orbits the sun at 67,062 miles per hour.

Scientists study these images to better understand the complex electromagnetic system causing the constant movement on the sun, which can ultimately have an effect closer to Earth, too: Flares and another type of solar explosion called coronal mass ejections can sometimes disrupt technology in space. Moreover, studying our closest star is one way of learning about other stars in the galaxy. NASA's Goddard Space Flight Center in Greenbelt, Maryland. built, operates, and manages the SDO spacecraft for NASA's Science Mission Directorate in Washington, D.C.

Please up-vote the video on Reddit, too:
https://www.reddit.com/r/EverythingScience/comments/4arpxn/oneyears_worth_an_intimate_view_of_our_sun_uhd/?ref=share&ref_source=link

Thanks for sharing, voting, and watching!


Video: https://www.youtube.com/watch?v=HgP0e1VHBxc

..


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USNavy #Film: Morse code by hand (Vintage #Video) #HamR #SWL #ARRL

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How to: Morse code by hand (Vintage #Video) #HamR #SWL #ARRL

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On 22 Feb 2016, NASA #video of unexpected #gorilla aboard International Space Station. #NASA #hamr #space

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Click: http://nw7us.us/swc

Interested in space weather? Learn this science & apply it to ham radio and shortwave... or just learn something awesome about the Sun, the Sun-Earth connection, and more!


#spaceweather #learn #science #hamradio #swl #ARRL #solarstorm #astronomy #hamr #education #sun #solar #flare #plasma #SDO #SOHO #NASA

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