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No COSI 2021 Flight t.co/kHhPVmnFbb

COSI 2021 t.co/uQedrHMyCg

2020 Wanaka Balloon Campaign Canceled t.co/PFB85Yr4Tt

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NASA
@NASA

Do you want to know about cosmic explosions? So do we. 💥 We've selected proposals for four missions that would stu… t.co/8QmjO5oOC6

Retweeted by COSI

The 2020 Wanaka balloon campaign has been canceled. The COSI team wants to thank CSBF and NASA for their hard work… t.co/1pl53IXive

@mptomsick Thank you!

@JohnTomsick Thanks, John, my caretakers stay safe.

@liz_hays Thank you, Liz. Hopefully FERMI and I will see the same things once I'm up there!

IT'S ALIVE! After having my detectors and shields independently running and tested with radioactive sources, they h… t.co/Y40oQ8zNXg

It was a bold *act* for us to drive our NASA telescope down the United States and New Zealand, all thanks to our tr… t.co/UL7104mZ7E

We’re in Wanaka! t.co/UOgNs8xx4L

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Just commuting to work... #humbleBrag #COSI2020 ⁦@NASA⁩ ⁦@NASA_Wallops⁩

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Wanaka, here we come! t.co/wcMHrcTHfR

I can't say I pack light. Heading to New Zealand! 🛫

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Started off the long weekend catching some sun 😎

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CSBF Updates! t.co/XLxrGCcDIH

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GLOW UP! I'm rocking some new antenna booms. t.co/cCbqB7QtR3

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I can't stop to ask for directions in the sky. Luckily this GPS system will tell my caretakers where I am.

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After a week of successful surgery, I was transplanted back inside my body.

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Can I hold my breath for 5 days? Thanks for asking, why yes I can. I just exited a temperature-controlled vacuum c… t.co/YY3l9u4h4c

COSI 2020 Hits the Road: Driving the cryostat from Berkeley to CSBF t.co/xslSYG1mUt

@SuperTigerLDB Thunderstorms coming.

Everything is bigger in Texas... including their balloon facilities. We made it!

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@ebellm Thanks for the recommendation! My caretakers ended up having green chile breakfast burritos and a sweet rol… t.co/DFME3Dr0hZ

I'm in Albuquerque, which is at an impressive 5,312 ft elevation. But I plan to fly up 100,000 ft! 🎈

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Hit the road, cryostat, and do come back! I'm on my way to Texas to begin the COSI 2020 campaign! Stay tuned.

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As a present, I'm going to start tweeting again, about the preparation for my 2020 New Zealand flight. Happy Birth… t.co/8aXXipxNYV

COSI 2020 t.co/ShhRHJPDL7

As far as I know, I'm the first real instrument that has been used for maximum likelihood polarization analysis!

The 2nd paper is about polarization analysis using the maximum likelihood method. t.co/DiUy6izPOE

Alex wrote two papers about me that were accepted to ApJ! One is about polarization analysis of the GRB I detected: t.co/T5YO0ZyElz

HEAD meeting presentations about me: 102.06, 103.12, 304.03

If you're at the HEAD meeting, look out for all the presentations about me!

Interesting! t.co/CmlMtJ0Zli

Here's my cryostat in the lab in Berkeley. It still works!

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You might be wondering why I looked so empty in my last tweet. Most of me is in these wooden crates

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@stratoballoon Actually it's good that I was disassembled! That way I'm less likely to break during transport.

@stratoballoon My electronics boxes are still packed up in crates.

I'm finally back in Berkeley!

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[2017/04/25 (NZST)] "Extreme Universe Space Observatory (EUSO)" will launch from Wanaka soon on a super pressure... t.co/Dqh7Zsdmu4

Titanic NASA balloon reaches milestone:... t.co/4NgAy0rsQE

NASA meteorological balloon falls in Arequipa:... t.co/4hiVtL63XL

NASA Completes Balloon Technology Test Flight t.co/v5WmvjIkxz

I posted 5 photos on Facebook in the album "20160517_COSI_Launch" t.co/cGGaxjmQrq

I posted 2 photos on Facebook in the album "20160517_COSI_Launch" t.co/LxttYgV5Qs

A camera on my top caught my shadow with a parachute during landing right before touchdown in Southern Peru.... t.co/9aqNipgGI3

I've been at float for 46 days! It's been fun, but I'm coming back to earth now. See you soon, Peru! t.co/ggZ0ANCVKe

Maybe I'll go back to New Zealand. It was nice there. t.co/1XiyAE5t3s

30 days. Here's to another 30!

I'm just really loving this section of the pacific! t.co/2rqS5wk2Ny

@JeffFilippini: I think @stratoballoon just meant I hadn't tweeted in awhile 🙂

@stratoballoon everyone needs a little tropical vacation now and then 🏝

@NASA_Wallops said SPB might be the next step in the evolution of balloons, so I thought I'd swing by the Galapagos t.co/LfnGRMJNUr

@Astro0Glen @NASA_Wallops I have my ups and downs 🌬🎈

@Astro0Glen @NASA_Wallops wheee! 🎢

Hey, @Space_Station, @astro_timpeake, @astro_tim - you'll be flying right over me in 2-3 hours! Take my picture? t.co/1XiyAE5t3s

Just taking a lazy day meandering around the South Pacific... t.co/1XiyAE5t3s

I'm famous! t.co/6czzerjT0X

I've done a complete circumnavigation (is it really a navigation if I can't steer, though?) Hi, New Zealand! I missed you

Floating at 222mph. Fastest lap at #Indy500 was 225. @AlexanderRossi isn't the only NorCal speedster! I should learn to steer! 🏁

Today I passed over Chile and am currently floating over Argentina. Signing out for the night. ¡Buenas noches!

And you all thought I was trying to write Cosi in cursive with my flight path!

I've been floating 11 days. Approaching south America!... t.co/H1fJMpQbwB

@stratoballoon: @NASA_Wallops might have more pics

My view of the balloon! Photo credit:NASA @NASA @NASA_Wallops

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@wanakasun @NASA_Wallops I thought I'd do a little twirl to celebrate a week of flight! 🌬➰

I've been flying for a week! Whee!

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Berkeley Physics
@BerkeleyPhysics

NASA/COSI telescope project covered in WIRED magazine. Steve Boggs quoted. t.co/vheQjseh5X

Retweeted by COSI

@BerkeleyPhysics @WIRED thanks for the article and post. I love the attention!! 🎈

I've been at float for over 100 hours!

I posted 15 photos on Facebook in the album "20160517_COSI_Launch_phone" t.co/aDj2l0rISc

I posted a new video to Facebook t.co/GoZTvCRJXh

I posted a new video to Facebook t.co/jRtohqZ3Da

I posted a new video to Facebook t.co/dal5DuqtM2

Look at me go! t.co/2rqS5wk2Ny

@BrentMochizuki the gps antenna box you made me is blocking my view!

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Got this cool selfie with my alien friend and passenger from space!

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I'm at float! And my balloon pressurized!

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I posted 7 photos on Facebook in the album "20160517_COSI_Launch" t.co/vm8IredD9a

I posted a new video to Facebook t.co/dfEogYNATm

[2016/05/17] A quick video during COSI launch taken from our hanger: t.co/ESgDFgjgdy t.co/9kVT36plq4

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I'm at 25km (82,000ft) altitude!

CSBF monitoring me and my balloon

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I'm at 10km altitude! My team is monitoring me

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I've launched!

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About to be launched! @UCBerkeleyNews @NASA @NASA_Wallops #Wanaka #Balloon

Inflation is over! See the hoses floating around?

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Watch me launch in 10 or 15 minutes!!! t.co/bcIaL3PANz

I'll probably launch in less than 15 minutes!!

Mini me 🙂

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The tow balloon is the little spec up there

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Bye tow balloon!

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My balloon getting inflated

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Hey, @UCBerkeleyNews, I'm a about 40 min away from launching! Learn more about me at t.co/BUWqWFuIEY

Inflation!

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The balloon is inflating! There's no going back now!

Me and the tow balloon (and a plane)

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The tow balloon is being inflated!

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Starting inflation of the tow balloon! This will lift up the top of the large balloon during its inflation

Helium trucks and the spool and the balloon being laid out

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Here I am on the flight line, waiting as CSBF lays out the balloon.

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@wanakasun - nominally in about 2 hours

They're going to layout the balloon!

The balloon is out to on the flight line with me! Watch here at t.co/ggZ0ANCVKe

There I am hanging from the launch vehicle. Keeping my fingers crossed (metaphorically) for a launch!

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Maybe I'll launch tomorrow! Launch window is 9am NZT, 2pm PDT

So pumped!

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Rain, rain, go away.

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@nzfatmatt I wasn't here last time in Wanaka! Last year they didn't fly a science instrument. But I think they only waited about 2 weeks

It's supposed to rain all week. Too bad I'm not waterproof...

Launch attempt canceled 🙁

We are so glad to have another opportunity for launch attempt after waiting for a period of time. Let's keep our... t.co/DifqNH30oQ

launch window starts at 8am NZST, 1pm PDT

I might launch tomorrow! Stay tuned for updates.

Last year the first snow in Wanaka was on May 25. I hope I'm in space before the first snow this year!

No launch tomorrow. Looks like I'll be enjoying Wanaka for a little longer...

@dannycbowman the high altitude winds are good until July / August. I will launch someday!

I've been flight ready for month and a day. Too bad the weather doesn't look good for tomorrow or the day after. I blame El Niño.

Just sitting here getting calibrated. Unfortunately the weather isn't good for launching me in the next few days 🙁

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What did we do while waiting for a good launch opportunity?... t.co/1Lh9bqh4nH

@dannycbowman - the payload was on the runway but the balloon stayed inside.

And it's canceled 🙁

We're on a weather hold...

I'm just hanging out while my team checks my detectors and telemetry

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Carolyn getting ready to put on my back panel and tape the last temperature sensors in place (look at her hard hat!)

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CSBF putting on my solar panels

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Here come my solar panels

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The launch vehicle awaits me

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Brent untangling my Ethernet cable in preparation for rolling me outside!

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I might launch tomorrow! McBride is making sure I don't have any grounding loops

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COSI Launch Attempt #3! t.co/MsgWkWU7fB

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I might launch tomorrow morning, probably around 9 AM New Zealand time (2 PM pacific time). Stay tuned for updates

No launch tomorrow or the next day. But maybe, just maybe, a chance for Wednesday morning (New Zealand time)

No launch tomorrow or the next day

Launch attempt canceled! I'll fly another day

The balloon is leaving the hangar and heading out to the flight line

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I'm on the flight line!

COSI Launch Attempt #2 t.co/piMzGH43EE

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I'm hanging from the launch vehicle! I'll be here for the next few hours

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I'm just loving all this attention from CSBF

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Thanks for the good luck chocolate, Maïca!! I only eat electricity, but my team thought the chocolate was great 🙂

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I'm almost all covered in foam and mylar

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Carolyn securing my top foam panel

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I might get launched tomorrow! The launch window is 8am - 10am New Zealand time (1-3pm pacific time). Stay tuned!

Trying to launch tomorrow. Launch window is 8-10am NZT, 1pm-3pm PDT

COSI Flight Operations t.co/nnV3kK6lUz

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No launch tomorrow, but maybe a possibility the next day

Talking to COSI t.co/O7uQJx5U5W

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New day, same story. No launch tomorrow or the next day. Stay tuned my friends!

Why hasn’t COSI launched yet? t.co/SGtSJ5zp4m

No launch tomorrow and the weekend doesn't look good

Wine Tasting t.co/HqECVb0rNN

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I'm getting bored! No launch tomorrow.

No launch tomorrow, unlikely the next day

No launch tomorrow either...

Dave Goosselink's Twitter avatar
Dave Goosselink
@davedunedin

Newshub Video: Wanaka winds halted launch of giant @NASA_Wallops Super Pressure Balloon @COSIBalloon on Sat - t.co/YBbq6l5OW9 @NZQN

Retweeted by COSI

I'm patient! No launch tomorrow or the next day

It's just a little too windy! My launch attempt for this morning has been cancelled!

Watch the live stream of my launch! t.co/6sDXypqs3J

[2016/04/09] COSI Update - Everything looks good so far in our first attempt. Proceeding to flight line now. t.co/m3EDEceOdM

Here's the parachute and the back of the launch vehicle (I'm hanging from the front)

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@Northerntomcat I'll be tweeting about my launch progress as it happens. When I'm up at float you can track me at t.co/ggZ0ANCVKe

Glad you like my tweets, @stratoballoon!

I'm getting goodbye hug from Carolyn and Clio!

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Carolyn saying her last goodbye (maybe)

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Just one side panel left before I'm ready for launch

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I might launch later this morning!! Here's the launch vehicle waiting to pick me up

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First Launch Attempt Tomorrow! t.co/tSj0LpyElO t.co/LDqSxeb7GW

First Launch Attempt Tomorrow! t.co/tSj0LpyElO

Possible launch opportunity tomorrow. My launch window beings at 8am NZ time, 1pm PDT

While I wait to launch, my team is making sure that my gps and I can figure out where in the sky sources are

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No launch tomorrow or the next day. Still waiting for the perfect conditions before I fly!

No launch tomorrow or the next day... Stay tuned!

I have a new friend on my antenna boom! Guess I won't get lonely during flight

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While we wait for the weather to be perfect, my team is calibrating me with an extended source

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Retweeted Brent Mochizuki (@BrentMochizuki): No launch for @COSIBalloon tomorrow... The next day looks unlikely... t.co/urpBnCuRlp

Brent Mochizuki's Twitter avatar
Brent Mochizuki
@BrentMochizuki

No launch for @COSIBalloon tomorrow... The next day looks unlikely too but no official word about that yet

Retweeted by COSI

I'm ready to launch! Just waiting for the perfect day. Tomorrow is a no-go, I'll update you when I find out more!

Now that I passed compatibility, I'm officially flight ready! We just need to wait for some good weather...

Cute video of the "COSI selfie" during the hang test yesterday from NASA (by Bill Rodman) t.co/qdR0J2jQET

Astrophysicists prepare for launch: Boggs is excited because this is a pioneering opportunity tomap thewhole sky. t.co/r8KldYiXgq

Where am I? Alex is calibrating my gps

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I just found out that I weigh about 4000 pounds

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I'm being tested for compatibility with CSBF!

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I'm ready to be picked up!

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I'm taking selfies! You can just barely see the camera at the end of my selfie stick

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I'm getting pumped!!

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International research team prepares for NASA balloon launch in Wanaka :... t.co/3xKu8ScJ4w

Warbirds of Wanaka and COSI Calibrations t.co/f5sqHR6I2r t.co/gKyUgTNzFP

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Warbirds of Wanaka and COSI Calibrations t.co/f5sqHR6I2r

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I'm shiny!

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I'm glad my team has the doors open so I can see all these planes!

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