☀️Alexander Beltzer-Sweeney☀️ @TheSolarTutor

@natsolarobs #REU2019 #BoulderSolarAlliance | #NCAS2018 Alumni | JPL Solar System Ambassador | He/Him | San Diego, CA Joined March 2018

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Senator Mark Kelly @SenMarkKelly

6 months ago

Traitor? Elon, if you don’t understand that defending freedom is a basic tenet of what makes America great and keeps us safe, maybe you should leave it to those of us who do.

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Senator Mark Kelly @SenMarkKelly

6 months ago

Just left Ukraine. What I saw proved to me we can’t give up on the Ukrainian people. Everyone wants this war to end, but any agreement has to protect Ukraine’s security and can’t be a giveaway to Putin. Let me tell you about my trip and why it’s important we stand with Ukraine.🧵

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Mount Wilson Observatory @MtWilsonObs

10 months ago

The Snow solar telescope coelostat was brought to Mount Wilson in 1904. It is the oldest telescope on Mount Wilson - & the world’s oldest permanently mounted telescope open to the public. Lucky for you it is included as a stop on our weekend public tours! Sats & Suns 11:30 & 1PM.

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Dr. Ryan French @RyanJFrench

2 years ago

Can you spot it? Solar plasma heading our way! The eruption appears dark in the first movie, and light in the second, with a potential glancing blow at Earth on Monday. This could cause enhanced aurora at northern latitudes! #spaceweather #astronomy (data: SDO & LASCO)

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ARCHIVED - NASA Sun & Space @NASASun

2 years ago

#OTD 6 years ago, a total solar eclipse crossed the US! ☀️ 🌑 🌎 In the next year, two more solar eclipses will chart paths across America. Learn more and make your plans for the Oct. 14, 2023, annular eclipse and the April 8, 2024, total eclipse: go.nasa.gov/3ZzIq8L

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☀️Alexander Beltzer-Sweeney☀️ @TheSolarTutor

2 years ago

Another visit to @MtWilsonObs. Coming back down i have to stop at @PhillysBest. Think i made the right choice, right @RalphGarman?

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Dr. Ryan French @RyanJFrench

2 years ago

Two differing views of tonight’s ongoing long-duration #SolarFlare, which sat for nearly 4 hours above M-class levels. It appears that an initial filament eruption triggered a much larger event! #spaceweather (data: AIA/SUVI/LASCO)

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ARCHIVED - NASA Sun & Space @NASASun

3 years ago

#ICYMI: Yesterday’s #AGU2022 Heliophysics Hyperwall talk was a ‘how to’ video by Dr. Alex Young. He provided a quick tutorial on how you can use NASA data and tools to view our Sun: go.nasa.gov/3WiUgSz Try it yourself! go.nasa.gov/3uWlPFH #OpenScience

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ARCHIVED - NASA Sun & Space @NASASun

3 years ago

The data revealed the Sun’s dynamic magnetic web, caught on camera for the first time – along with streams of slow solar wind escaping from it. The results provide key support for the “magnetic web” theory. Read the paper: go.nasa.gov/3Xrl2cG

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NASA JPL @NASAJPL

3 years ago

Sharing science for 25 years! The Solar System Ambassador program started as a grassroots effort with 16 volunteers. Today, 1,100+ dedicated volunteers help share the stories of @NASA with more than 11 million people each year. go.nasa.gov/3SSPSYo

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ARCHIVED - NASA Sun & Space @NASASun

3 years ago

Historically Black Colleges and Universities (HBCUs) are a major part of our educational history and culture. #HBCUs provide opportunities for people of all cultures, races, and backgrounds to develop their talents. Here are 2 more proud HBCU alumni who work at NASA. #HBCUWeek

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☀️Alexander Beltzer-Sweeney☀️ @TheSolarTutor

3 years ago

Good night from San Diego!

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Ashanti Hands, Ed.D. @PrezHands

3 years ago

@TheSolarTutor @sdmesacollege @NASA I ♥️’d our impromptu learning moment. Your passion for the ☀️ and the Sun Spotter was infectious. I love that our students will get to learn with you.

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☀️Alexander Beltzer-Sweeney☀️ @TheSolarTutor

3 years ago

I was checking out the Sun at @sdmesacollege. Afterwards I saw @PrezHands and brought the Sun Spotter over to show her the Sun and the many Sun spots out this afternoon.

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Latest in space @latestinspace

3 years ago

🚨NEWS: NASA is predicting a strong solar flare to impact Earth early July 19. Radio and GPS signal disruptions expected in some areas

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Space Weather Watch @spacewxwatch

4 years ago

Currently, the expected Kp range is between 3 and 5, but additional modeling will likely be performed. Modeling filament eruptions can oftentimes be tricky because the stream of plasma is much more narrow/direct than "lightbulb" shaped CMEs, which are typically more wide.

Space Weather Watch @spacewxwatch

4 years ago

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Space Weather Watch @spacewxwatch

4 years ago

A very faint halo CME was observed by SOHO this afternoon which appears to be associated with this large filament eruption that occurred around 13:00Z. Based on preliminary modeling by the NASA Moon to Mars office, the CME is expected to impact Earth late on the Zulu day Weds.

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ARCHIVED - NASA Sun & Space @NASASun

4 years ago

#ParkerSolarProbe is gearing up for its next Venus flyby on Oct. 16! 🛰 The spacecraft performed a short maneuver last month to change its speed by less than a third of a mile per hour, putting it right on course for Saturday’s Venus gravity assist. go.nasa.gov/3n0KcgP