Monday, June 30, 2025

NASA budget cuts threaten Europe's flagship Mars rover

Hello space fans! | Blue Origin launches 6 tourists on suborbital trip | New satellite hopes to scan Earth for wildfires
Created for znamenski.spacecom@blogger.com | Web Version
June 30, 2025
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The Launchpad

Happy Monday! 

Today is World Asteroid Day, commemorating the 1908 "Tunguska event," where a giant fireball exploded over the forests of Tunguska in Siberia, creating the largest meteor impact in history. 

We have a good lineup of headlines for your daily read: from Blue Origin launching six tourists from Texas into sub-orbit to a proposed wildfire satellite constellation that can scan the Earth every 20 minutes to the 20th anniversary of Steven Spielberg's "War of the Worlds" film. We've got those and more in our newsletter. 

Thanks for exploring with us.

Keep looking up, 

Kenna 

Content Manager, Space.com
Blue Origin launches 6 tourists on suborbital trip
The 10-minute suborbital flight lifted off Sunday (June 29) from West Texas.
Read More
New satellite hopes to scan Earth for wildfires
It's the first satellite designed for monitoring and detecting wildfires and Muon Space hopes to use it to scan the Earth every 20 minutes.
Read More
Space quiz! On the latest Blue Origin launch, astronaut Carl Kuehner received which distinction?
Click here for the answer!
VoteThe oldest person in space
VoteThe 750th person in space
VoteThe 634th man in space
VoteThe 14th Blue Origin astronaut in space
Space Deal of the Day
Free Amazon voucher & bonus 4 months of NordVPN
Our exclusive offer is top value for NordVPN ahead of Amazon Prime Day with up to 76% off, a free Amazon voucher and a bonus four months free.
Read More
Science & Astronomy
NASA cuts threaten Europe's flagship Mars rover
NASA was to supply some critical technologies for the mission, which Europe may not be able to readily replace.
Read More
Is US forfeiting Red Planet leadership to China?
"Returning the scientifically selected samples that await us on Mars, as part of a balanced portfolio, will help to ensure the US does not cede leadership in deep space to other nations, such as China."
Read More
SpaceX
SpaceX sends two batches of Starlink satellites
The liftoffs occurred at 12:26 a.m. and 1:13 p.m EDT on June 28 from Florida and California, respectively.
Read More
Technology
Satellites keep breaking in space & falling to Earth
Cheap, uninsured satellites are creating more space junk -- and it's starting to rain down on our heads.
Read More
Entertainment
'War of the Worlds' at 20: Spielberg's 75% apocalypse
Spielberg's contemporary spin on H. G. Wells would be up there with his best if only he could have nailed the ending.
Read More
19th-century astronomer used sci-fi to explore Mars
Parisian astronomer Camille Flammarion brought used science fiction to bring Mars to life
Read More
 

Saturday, June 28, 2025

New! How It Works Collection

Absolutely packed with fantastic facts
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Welcome to our eighth edition of the How It Works collection, a carefully curated volume of our favourite science, technology, history, transport, environment, and space articles.
 
 
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Friday, June 27, 2025

Fireball may have punched hole in Georgian home

Hello space fans! | Human remains lost when memorial capsule crashes | More than 1,800 NSF workers abruptly kicked out
Created for znamenski.spacecom@blogger.com | Web Version
June 27, 2025
CONNECT WITH SPACE.COM  Facebook X Instagram Youtube
Space.com
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The Launchpad

Happy Friday! Kenna here with the latest headlines in the world of space news and science. 

It's been a busy day so far, as The Exploration Company's "Mission Possible" Nyx capsule, that was part of SpaceX's Transporter-14 rideshare mission, crashed into the ocean. 

In other news, employees at the National Science Foundation's headquarters were abruptly told to leave the building with no previous warning.

Our other stories to end the week with include the years-long con of an astronaut impersonator, a man in Georgia almost being hit by a blazing fireball, and Star Trek's "Strange New Worlds" season 3 release. 

Thanks for exploring with us. Wishing you all a restful weekend. 

Keep looking up, 

Kenna 

Content Manager, Space.com
Human remains lost when memorial capsule crashes
A space capsule included on a recent SpaceX launch almost survived its decent back to Earth, so The Exploration Company is deeming their mission a "partial success".
Read More
More than 1,800 NSF workers abruptly kicked out
On the evening of Tuesday (June 24), more than 1,800 employees working at the National Science Foundation (NSF) learned they would soon be kicked out of their office.
Read More
Space Deal of the Day
Free Amazon voucher & bonus 4 months of NordVPN
Our exclusive offer is top value for NordVPN ahead of Amazon Prime Day with up to 76% off, a free Amazon voucher and a bonus four months free.
Read More
Skywatching
Rare fireball could've punched hole in Georgia home
The fireball was bright enough to be spotted by a lightning-tracking satellite from orbit.
Read More
Northern lights may be visible in 10 US States tonight
Auroras may be visible from Alaska to Washington as a giant hole in the sun's atmosphere fuels geomagnetic storms with a high-speed solar wind.
Read More
Spaceflight
Fake astronaut fooled the world & landed in jail
For years, Robert Hunt convinced everyone he could that he was a NASA astronaut. The truth was anything but.
Read More
Science & Astronomy
Baby planets take 1st steps in nearby stellar nursery
A team of scientists studied 78 planet-forming, flattened clouds of gas and dust, or "protoplanetary disks," in the Ophiuchus star-forming region.
Read More
SpaceX
Mexico threatens lawsuit against SpaceX over debris
The Mexican president said there is a "general review underway of the international laws that are being violated."
Read More
Entertainment
How to watch Star Trek "Strange New Worlds" season 3
Captain Pike and the Enterprise crew are back and on the hunt for The Gorn. Here's everything we know about 'Strange New Worlds' Season 3 after 2023's cliffhanger finale.
Read More
Today in Space
Image of day: SpaceX Falcon 9 flies in smoke rings
SpaceX's Falcon 9 rocket with the Dragon spacecraft carrying Axiom-4 astronauts heads to the International Space Station.
Read More
 

Seminars Digest, Vol 76, Issue 6

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Today's Topics:

1. Автобус 27.06.25г (Наталья Медведева)
2. Friday 27.06.2025 (Stanislav Apostolov)


----------------------------------------------------------------------

Message: 1
Date: Thu, 26 Jun 2025 16:18:19 +0300
From: Наталья Медведева <nmedvedeva@itp.ac.ru>
To: seminars@itp.ac.ru, staff@itp.ac.ru, students@itp.ac.ru
Subject: [Landau ITP Seminars] Автобус 27.06.25г
Message-ID: <b3288a32-3000-4537-9b80-aea8924f7ff7@itp.ac.ru>
Content-Type: text/plain; charset=UTF-8; format=flowed

Уважаемые сотрудники и студенты!

На завтра 27.06.25г. в 10-05 автобус запланирован.

Место сбора 11-я парковая, поворот на Щелковское шоссе.
Форд-Транзит  А 797МА 150

тел. 8-903-019-86-80
Владимир Николаевич

https://yandex.ru/maps/213/moscow/?from=mapframe&indoorLevel=1&ll=37.804151%2C55.809870&mode=usermaps&source=mapframe&um=constructor%3A1gjtTU9HvRzE3mvpCCP6B_Io424BFoMD&utm_source=mapframe&z=17.4


С уважением

Н. Н.

------------------------------

Message: 2
Date: Thu, 26 Jun 2025 18:11:45 +0300
From: Stanislav Apostolov <sapostolov@itp.ac.ru>
To: staff@itp.ac.ru, students@itp.ac.ru, seminars@itp.ac.ru
Subject: [Landau ITP Seminars] Friday 27.06.2025
Message-ID: <b1c00993f1a9c4ef82dd3ea5d4587a9a@itp.ac.ru>
Content-Type: text/plain; charset="utf-8"; Format="flowed"

Уважаемые коллеги!

На заседании Ученого совета ИТФ в пятницу 27.06 будут заслушаны 2
доклада:

11:30 Ивченко Н.А., Вергелес С.С.
Поглощение инерционных волн столбовым вихрем во вращательной
турбулентности

В трехмерных турбулентных течениях вращающейся жидкости, где сила
Кориолиса преобладает над силами инерции, наблюдается (экспериментально
[1] и численно [2]) формирование столбовых вихрей - крупномасштабных
когерентных долгоживущих потоков, однородных вдоль оси вращения. В
работе мы строим аналитическую модель, описывающую как осесимметричное
течение вихря поддерживает себя за счет поглощения инерционных волн.
Изучается случай накачки, когда инерционные волны попадают в вихрь с
периферии системы, где возбуждается турбулентность. В пределе коротких
длин волн и малой вязкости нами показано, что при движении
квазимонохроматическая волна, пришедшая в вихрь, передает тому свою
энергию и импульс только в узкой окрестности критического слоя [3],
который формируется для нее средним сдвиговым течением. В докладе мы
представляем определение поперечной компоненты тензора Рейнольдса,
усредненной по ансамблю волн, которая задает профиль скорости вихря [4].

[1] D.D. Tumachev, A.A. Levchenko, S.S. Vergeles, S.V. Filatov,
Observation of a large stable anticyclone in rotating turbulence, PoF,
36(12), 126620 (2024).

[2] Seshasayanan, K. &amp; Alexakis, A. Condensates in rotating
turbulent flows. JFM, 841, 434-462 (2018).

[3] Haynes, P., 2015. Critical Layers. In: G. R. North et al.,
Encyclopedia of Atmospheric Sciences, 2nd edition, Vol 2.

[4] I.V. Kolokolov, L.L. Ogorodnikov, and S.S. Vergeles, Structure of
coherent columnar vortices in three-dimensional rotating turbulent flow,
Phys. Rev. Fluids 5, 034604 (2020).

12:30 Полькин А. В., Скворцов М. А.
Поглощение микроволнового излучения сверхпроводящими проводами

В работе исследовано поглощение микроволнового излучения сверхпроводящим
проводом, по которому течёт постоянный ток. Для этого в ведущем порядке
по микроволновому излучению была рассчитана проводимость с учётом
энергетической релаксации за счёт туннелирования в несверхпроводящий
резервуар. При достаточно высоких температурах существует область
частот, в которой проводимость пропорциональна времени неупругой
релаксации и может превышать стандартное выражение для проводимости
сверхпроводника, определяющееся упругими процессами. Однако, эта область
в линейной проводимости исчезает при уменьшении постоянного тока до
нуля.

ID и пароль онлайн-трансляций в Zoom те же, что и для предыдущих
трансляций семинаров и докладов на Ученом совете:
https://zoom.us/j/96899364518?pwd=MzBsR2lYT0lYL2x2b1oyNU9LeWlWUT09
Meeting ID: 968 9936 4518
Пароль: 250319

После научных докладов будет проводиться Аттестация аспирантов за
2024-2025 уч. год.

Поскольку решение об аттестации принимает Ученый Совет, то просим всех
членов Ученого Совета принять участие либо очно, либо он-лайн.
Планируется открытое голосование.

На завтра 27.06.25г. в 10-05 автобус запланирован.

Место сбора 11-я парковая, поворот на Щелковское шоссе.
Форд-Транзит А 797МА 150

тел. 8-903-019-86-80
Владимир Николаевич

https://yandex.ru/maps/213/moscow/?from=mapframe&indoorLevel=1&ll=37.804151%2C55.809870&mode=usermaps&source=mapframe&um=constructor%3A1gjtTU9HvRzE3mvpCCP6B_Io424BFoMD&utm_source=mapframe&z=17.4
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