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Thursday, May 30, 2024

SpaceX fuels Starship megarocket to prep for fourth test flight

Giant sunspot is back and may amp up the northern lights | SpaceX fuels Starship megarocket to prep for test flight | Space quiz! What do the letters 'AR' in the names of sunspots (such as AR3664) stand for?
Created for znamenski.spacecom@blogger.com |  Web Version
May 30, 2024
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The Launchpad
Giant sunspot is back and may amp up the northern lights
(NASA Solar Dynamics Observatory)
Old sunspot region AR 13664, now renamed AR 13697, is back. With its re-arrival, can we expect a resurgence of solar activity?
Full Story: Space (5/29) 
SpaceX fuels Starship megarocket to prep for test flight
(SpaceX via X)
It was the second "wet dress rehearsal" for this Starship vehicle, which could launch in just a week or so.
Full Story: Space (5/29) 
Space quiz! What do the letters 'AR' in the names of sunspots (such as AR3664) stand for?
VoteAmplified Reflectivity
VoteActive Region
VoteA Really hot spot
VoteAtmospheric Reconnection
Space Deal of the Day
Telescopes on Amazon: The best deals 2024
(Getty Images)
All the best deals for telescopes on Amazon including Black Friday savings on names like Celestron and Orion.
Full Story: Space (11/17) 
Skywatching
See the moon and Saturn meet in the sky early on May 31
(Chris Vaughn/Starry Night Software)
If you have a telescope, you might want to consider setting your alarm early on Friday.
Full Story: Space (5/30) 
Spaceflight
Fallen astronaut's diary added to National Library of Israel
(National Library of Israel/NASA via collectSPACE.com)
The handwritten journal pages of Israel's first astronaut have been added to the country's national library in Jerusalem, more than 20 years after they were found among the debris from the NASA tragedy that claimed his life.
Full Story: Space (5/30) 
Starliner's 1st astronaut mission cleared for June 1 liftoff
(NASA/Joel Kowsky)
Crew Flight Test is "go" for launch this weekend.
Full Story: Space (5/29) 
Science & Astronomy
JWST finds a dusty skeleton in starburst galaxy's closet
(ESA/Webb/NASA & CSA/A. Adamo (Stockholm University) and the FEAST JWST team)
The JWST's infrared vision captures a galaxy undergoing an explosion of star birth, brought about by the consumption of a smaller sibling.
Full Story: Space (5/30) 
SpaceX
SpaceX debris crashed in the North Carolina mountains
(Brett Tingley)
"It landed directly in the middle of the trail. It was just wild. It was crazy-looking. I really didn't know what to think."
Full Story: Space (5/29) 
Star Trek
'Star Trek: Discovery' series finale is a mixed bag
(Paramount Plus)
"Discovery" was the first of the new wave of "Star Trek," and it helped pave the way for the recent renaissance in television science fiction. For that, we are thankful.
Full Story: Space (5/30) 
 
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Seminars Digest, Vol 64, Issue 5

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Today's Topics:

1. Friday 31.05.2024 (Serge Krashakov)


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Message: 1
Date: Wed, 29 May 2024 23:18:03 +0300
From: Serge Krashakov <sakr@itp.ac.ru>
To: staff@itp.ac.ru, students@itp.ac.ru, seminars@itp.ac.ru
Subject: [Landau ITP Seminars] Friday 31.05.2024
Message-ID: <b4f1b850-c5ae-495f-8873-2c51cb19745b@itp.ac.ru>
Content-Type: text/plain; charset="utf-8"; Format="flowed"

Π£Π²Π°ΠΆΠ°Π΅ΠΌΡ‹Π΅ ΠΊΠΎΠ»Π»Π΅Π³ΠΈ!

На засСдании Π£Ρ‡Π΅Π½ΠΎΠ³ΠΎ совСта ИВЀ Π² пятницу 31 мая Π² 11:30 Π±ΡƒΠ΄ΡƒΡ‚ Π·Π°ΡΠ»ΡƒΡˆΠ°Π½Ρ‹
2 Π΄ΠΎΠΊΠ»Π°Π΄Π°:

_1) Н.Π“. МаснСв_, Π•.Π’. Подивилов, Π‘.И. Π‘Ρ‚ΡƒΡ€ΠΌΠ°Π½
*ВлияниС проводимости Π΄ΠΎΠΌΠ΅Π½Π½ΠΎΠΉ стСнки Π½Π° ΠΊΠΈΠ½Π΅Ρ‚ΠΈΠΊΡƒ обращСния
сСгнСтоэлСктричСского Π΄ΠΎΠΌΠ΅Π½Π°*

НСдавнСС ΠΎΡ‚ΠΊΡ€Ρ‹Ρ‚ΠΈΠ΅ ΠΈ исслСдованиС проводимости Π΄ΠΎΠΌΠ΅Π½Π½ΠΎΠΉ стСнки (Π”Π‘) Π²
сСгнСтоэлСктриках ΠΎΠ±Π΅Ρ‰Π°Π΅Ρ‚ сущСствСнно ΠΌΠΎΠ΄ΠΈΡ„ΠΈΡ†ΠΈΡ€ΠΎΠ²Π°Ρ‚ΡŒ прСдставлСниС ΠΎ
пСрСполяризации. На ΠΏΡ€ΠΈΠΌΠ΅Ρ€Π΅ Π½ΠΈΠΎΠ±Π°Ρ‚Π° лития ΠΏΠΎΠΊΠ°Π·Π°Π½ΠΎ, Ρ‡Ρ‚ΠΎ Π½Π°Π»ΠΈΡ‡ΠΈΠ΅
проводимости Π”Π‘ Π½Π΅ Ρ‚ΠΎΠ»ΡŒΠΊΠΎ Ρ€Π΅ΡˆΠ°Π΅Ρ‚ давнюю ΠΏΡ€ΠΎΠ±Π»Π΅ΠΌΡƒ нСрСалистично высокой
энСргии образования Π΄ΠΎΠΌΠ΅Π½ΠΎΠ², Π½ΠΎ Ρ‚Π°ΠΊΠΆΠ΅ ΠΏΡ€ΠΈΠ²ΠΎΠ΄ΠΈΡ‚ ΠΊ ΡΠΊΡΠΏΠΎΠ½Π΅Π½Ρ†ΠΈΠ°Π»ΡŒΠ½Ρ‹ΠΌ
зависимостям элСктричСского поля exp(−E_n /E) ΠΈ exp(−E_l /E) для
скоростСй Π½ΡƒΠΊΠ»Π΅Π°Ρ†ΠΈΠΈ (n) ΠΈ Π»Π°Ρ‚Π΅Ρ€Π°Π»ΡŒΠ½ΠΎΠ³ΠΎ (l) роста с Ρ…Π°Ρ€Π°ΠΊΡ‚Π΅Ρ€Π½Ρ‹ΠΌΠΈ полями
E_n ≈ 75 ΠΈ E_l ≈ 15 ΠΊΠ’/ΠΌΠΌ. ΠšΠΈΠ½Π΅Ρ‚ΠΈΠΊΠ° измСнСния поляризации дСмонстрируСт
Ρ€Π°Π·Π»ΠΈΡ‡Π½Ρ‹Π΅ стадии зароТдСния, Π»Π°Ρ‚Π΅Ρ€Π°Π»ΡŒΠ½ΠΎΠ³ΠΎ роста ΠΈ слияния ΠΎΡ‚Π΄Π΅Π»ΡŒΠ½Ρ‹Ρ…
Π΄ΠΎΠΌΠ΅Π½ΠΎΠ². Π’ соотвСтствии с экспСримСнтом это соотвСтствуСт ΠΎΠ±Ρ‰Π΅ΠΌΡƒ
ΡΠΊΡΠΏΠΎΠ½Π΅Π½Ρ†ΠΈΠ°Π»ΡŒΠ½ΠΎΠΌΡƒ Π·Π°ΠΊΠΎΠ½Ρƒ exp(E^* ) для Π²Ρ€Π΅ΠΌΠ΅Π½ΠΈ Ρ€Π°Π·Π²ΠΎΡ€ΠΎΡ‚Π° с E_l < E^* <
E_n . Насколько Π½Π°ΠΌ извСстно, это исслСдованиС являСтся ΠΏΠ΅Ρ€Π²Ρ‹ΠΌ,
ΠΎΠ±ΡŠΡΡΠ½ΡΡŽΡ‰ΠΈΠΌ тСорСтичСски это Π·Π°ΠΊΠΎΠ½.
Письма Π² Π–Π­Π’Π€, 119(10), 766-767 (2024)

2) А.О. ΠšΠΎΡ€ΠΎΡ‚ΠΊΠ΅Π²ΠΈΡ‡
*ΠŸΡ€ΡΠΌΠΎΠΉ каскад турбулСнтности капиллярных Π²ΠΎΠ»Π½: числСнноС ΠΌΠΎΠ΄Π΅Π»ΠΈΡ€ΠΎΠ²Π°Π½ΠΈΠ΅*
(ΠΊΠΎΡ€ΠΎΡ‚ΠΊΠΈΠΉ Π΄ΠΎΠΊΠ»Π°Π΄)

ΠŸΡ€ΠΈΠ²ΠΎΠ΄ΡΡ‚ΡΡ Ρ€Π΅Π·ΡƒΠ»ΡŒΡ‚Π°Ρ‚Ρ‹ большого массива экспСримСнтов ΠΏΠΎ ΠΌΠΎΠ΄Π΅Π»ΠΈΡ€ΠΎΠ²Π°Π½ΠΈΡŽ
турбулСнтности капиллярных Π²ΠΎΠ»Π½. ΠŸΠΎΠ»ΡƒΡ‡Π΅Π½ динамичСский Π΄ΠΈΠ°ΠΏΠ°Π·ΠΎΠ½ прямого
каскада Π±ΠΎΠ»Π΅Π΅ ΠΎΠ΄Π½ΠΎΠΉ Π΄Π΅ΠΊΠ°Π΄Ρ‹ Π² пространствС Π²ΠΎΠ»Π½ΠΎΠ²Ρ‹Ρ… Π²Π΅ΠΊΡ‚ΠΎΡ€ΠΎΠ², Ρ‡Ρ‚ΠΎ
соотвСтствуСт ΠΏΡ€ΠΈΠΌΠ΅Ρ€Π½ΠΎ Π΄Π²ΡƒΠΌ Π΄Π΅ΠΊΠ°Π΄Π°ΠΌ ΠΏΠΎ частотС. РассматриваСтся влияниС
Ρ€Π°Π·ΠΌΠ΅Ρ€Π° области Π½Π° Π½Π°Π±Π»ΡŽΠ΄Π°Π΅ΠΌΡ‹Π΅ спСктры.


ID ΠΈ ΠΏΠ°Ρ€ΠΎΠ»ΡŒ ΠΎΠ½Π»Π°ΠΉΠ½-трансляций Π² Zoom Ρ‚Π΅ ΠΆΠ΅, Ρ‡Ρ‚ΠΎ ΠΈ для ΠΏΡ€Π΅Π΄Ρ‹Π΄ΡƒΡ‰ΠΈΡ…
трансляций сСминаров ΠΈ Π΄ΠΎΠΊΠ»Π°Π΄ΠΎΠ² Π½Π° Π£Ρ‡Π΅Π½ΠΎΠΌ совСтС:
https://zoom.us/j/96899364518?pwd=MzBsR2lYT0lYL2x2b1oyNU9LeWlWUT09
Meeting ID: 968 9936 4518
ΠŸΠ°Ρ€ΠΎΠ»ΡŒ: 250319

ΠŸΡ€ΠΈ числС ΠΆΠ΅Π»Π°ΡŽΡ‰ΠΈΡ… Π½Π΅ ΠΌΠ΅Π½Π΅Π΅ 5 Π±ΡƒΠ΄Π΅Ρ‚ ΠΎΡ€Π³Π°Π½ΠΈΠ·ΠΎΠ²Π°Π½ автобус.
Для записи Π½Π° автобус ΠΈΠ· ΠœΠΎΡΠΊΠ²Ρ‹ Π² Π§Π΅Ρ€Π½ΠΎΠ³ΠΎΠ»ΠΎΠ²ΠΊΡƒ Π½Π΅ΠΎΠ±Ρ…ΠΎΠ΄ΠΈΠΌΠΎ Π΄ΠΎ 18:00
Ρ‡Π΅Ρ‚Π²Π΅Ρ€Π³Π° ΠΎΡ‚ΠΏΡ€Π°Π²ΠΈΡ‚ΡŒ письмо Π½Π° адрСс элСктронной ΠΏΠΎΡ‡Ρ‚Ρ‹ bus@itp.ac.ru
ПослС этого записавшимся Π΄ΠΎ 20:00 поступит ΠΏΠΎΠ΄Ρ‚Π²Π΅Ρ€ΠΆΠ΄Π΅Π½ΠΈΠ΅ ΠΎΠ± ΠΎΡ‚ΠΏΡ€Π°Π²ΠΊΠ΅ ΠΈΠ»ΠΈ
Π½Π΅ΠΎΡ‚ΠΏΡ€Π°Π²ΠΊΠ΅ автобуса Π² зависимости ΠΎΡ‚ числа Π·Π°ΠΏΠΈΡΠ°Π²ΡˆΠΈΡ…ΡΡ.
Π—Π°ΠΏΠΈΡΡŒ Π½Π° ΠΎΠ±Ρ€Π°Ρ‚Π½Ρ‹ΠΉ автобус - Π½Π° Π£Ρ‡Π΅Π½ΠΎΠΌ совСтС.
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