Thursday, March 2, 2023

Watch SpaceX's Crew-6 astronauts arrive at space station

Created for znamenski.spacecom@blogger.com |  Web Version
March 2, 2023
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The Launchpad
SpaceX launches Crew-6 mission to space station
(NASA/Frank Michaux)
Crew-6 is expected to dock with the International Space Station early Friday morning (March 3).
Full Story: Space (3/2) 
Watch Crew-6 astronauts arrive at space station Friday
(NASA/Kjell Lindgren)
Docking is expected to occur at 1:17 a.m. ET on Friday (March 3).
Full Story: Space (3/2) 
POLL QUESTION:
Space quiz! SpaceX's Crew-6 mission is sending which country's first long-duration astronaut to the ISS?
Learn the answer here!
VoteSaudi Arabia
VoteUnited Arab Emirates
VoteQatar
VoteOman
Space Deal of the Day
Best night vision binoculars 2023: Spot subjects in the dark
(Getty and Hexeum)
All the best night vision binoculars, goggles and monoculars are especially helpful for seeing in the dark, particularly during the longer winter nights.
Full Story: Space (4/29) 
Skywatching
The auroras of February 2023 are a feast for stargazers
(Shari Hunt)
A series of powerful solar storms set the sky ablaze in the last two days of February, with aurora sightings reported unexpectedly far away from their usual territories.
Full Story: Space (3/1) 
Science & Astronomy
Hubble sees strange changes in asteroid after DART
(SCIENCE: NASA, ESA, STScI, Jian-Yang Li (PSI) IMAGE PROCESSING: Joseph DePasquale (STScI))
Science continues to roll in from DART's epic September 2022 asteroid crash.
Full Story: Space (3/1) 
What NASA has learned months after DART asteroid crash
(NASA/JHUAPL)
We now know that we can knock an asteroid off course.
Full Story: Space (3/1) 
SpaceX
SpaceX Crew-5 astronauts reflect on their time in orbit
(NASA)
The four spaceflyers have spent an eventful five months off Earth.
Full Story: Space (3/1) 
SpaceX gearing up to launch 2 private astronaut missions
(NASA/Joel Kowsky)
The private Ax-2 and Polaris Dawn missions appear to be next on SpaceX's crewed-flight manifest.
Full Story: Space (3/2) 
Spaceflight
NASA hails SpaceX's 'beautiful' Crew-6 astronaut launch
(NASA/Joel Kowsky)
SpaceX just sent another batch of astronauts toward the International Space Station (ISS), and NASA couldn't be happier.
Full Story: Space (3/2) 
Star Wars
Lego's new Executor Super Star Destroyer looks fantastic
(Lego)
The brand new model ship is available to pre-order in celebration of The Return Of The Jedi's 40th anniversary.
Full Story: Space (3/2) 
Denuo Novo The Mandalorian Helmet review
(Ian Stokes)
It's the closest most of us will get to looking like Pedro Pascal.
Full Story: Space (3/2) 
 
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Seminars Digest, Vol 52, Issue 1

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Today's Topics:

1. Friday 03.03.2023 (Serge Krashakov)


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

Message: 1
Date: Wed, 1 Mar 2023 17:59:40 +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 03.03.2023
Message-ID: <0bf13cab-d385-5063-3459-b2bc15a7971d@itp.ac.ru>
Content-Type: text/plain; charset="utf-8"; Format="flowed"

Уважаемые коллеги,

В пятницу 3 марта 2023 года в 11:30 состоится коллоквиум, на котором
будет заслушан доклад:

С.И. Дорожкин (ИФТТ)
*Двумерные электронные системы под микроволновым облучением:
индуцированные излучением магнетоосцилляции и динамическая доменная
структура**
*
В докладе будет сделан обзор современного состояния проблемы
микроволнового фотоотклика двумерных электронных систем с акцентом на
результаты автора доклада. Основные тезисы:
1. Индуцированные излучением гигантские магнетоосцилляции сопротивления
и проводимости являются объемным эффектом. Основными механизмами
возникновения осцилляций считаются: (а) неравновесное заполнение уровней
Ландау и (б) непрямые переходы с поглощением фотонов. Существование
первого из механизмов доказано экспериментально наблюдением
магнетоосцилляций емкости в двухслойной электронной системе.
2. Магнетоосцилляции фотогальванических параметров (микроволновых
фото-ЭДС и фототока) обусловлены загибом зон около контактов и
нарушением в неравновесном состоянии соотношения Эйнштейна между
проводимостью и коэффициентом диффузии.
3. В минимумах основных магнетоосцилляций сопротивление и диссипативная
проводимость стремятся к нулю ("zero-resistance states"), что, согласно
теории, является проявлением спонтанного образования доменов холловского
электрического поля. Экспериментально обнаружена динамическая доменная
структура, в которой в стационарных внешних условиях происходят
квазипериодические перевороты электрического поля в доменах.
Теоретически и экспериментально показано, что такая динамика обусловлена
экранировкой электрического поля доменов зарядами слоя легирования.
4. Основными проблемами на сегодняшний день представляются объяснение
существующих экспериментов в режиме циклотронного резонанса, а также
согласование особенностей в поглощении микроволнового излучения, в
основном определяемых магнетоплазмонами, с одночастичным друдевским
поглощением, используемым в теории. Экспериментальные результаты по
поглощению излучения свидетельствуют в пользу сосуществования обоих
механизмов.


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

Wednesday, March 1, 2023

SpaceX 'go' to launch Crew-6 astronauts on March 2

Created for znamenski.spacecom@blogger.com |  Web Version
March 1, 2023
CONNECT WITH SPACE.COM FacebookTwitterInstagramYoutube
Space.com
Something amazing every day.SIGN UP ⋅   WEBSITE
 
The Launchpad
NASA astronaut sees 'absolutely unreal' auroras from space
(NASA/Josh Cassada)
You don't often see Earth's dazzling auroras from this angle.

NASA astronaut Josh Cassada just snapped a stunning shot of the light display from his perch on the International Space Station, which flies about 250 miles (400 kilometers) above Earth on average.
Full Story: Space (2/28) 
SpaceX 'go' to launch Crew-6 astronauts on March 2
(Handout/Getty Images)
SpaceX's next astronaut mission is back on track for launch.
SpaceX Falcon 9 rocket is now officially set to launch the Crew-6 mission Thursday (March 2) at 12:34 a.m. EST (0534 GMT) and you can watch the liftoff at Space.com, courtesy of NASA Television.
Full Story: Space (3/1) 
See Venus and Jupiter at their closest until 2032!
(NASA/JPL-Caltech)
Tonight, the drama that the two brightest planets, Venus and Jupiter have been engaged in for the past few weeks, reaches its pinnacle. Tonight's conjunction of the bright planets will be the best for nearly a decade.
Full Story: Space (3/1) 
POLL QUESTION:
How many astronauts can fly on SpaceX's Crew Dragon?
SpaceX's Crew Dragon spacecraft can be retrofit for missions to the International Space Station and for free-flying Earth orbiting opportunities. But how many people can it really fit?
Vote7 astronauts per flight
Vote5 astronauts per flight
Vote4 astronauts per flight
Vote2 astronauts per flight
VoteAll of the above
Space Deal of the Day
The Celestron Travelscope 60 is under $40
(Celestron)
If you want a telescope but you don't want to invest heavily in one, then grabbing the Celestron Travelscope 60 portable telescope for just $38 could be ideal.
Full Story: Space (2/28) 
Skywatching
Powerful solar storm delays SpaceX rocket launch
(Ali Lorestani/Getty Images)
A powerful solar storm that swept across Earth on Feb. 27 forced SpaceX to delay a Starlink launch from Florida and temporarily disrupted operations of several Canadian oil rigs as GPS signals were too inaccurate.
Full Story: Space (2/28) 
Science & Astronomy
Does the moon need its own time zone?
(NASA)
With the next era of lunar exploration on the horizon, scientists have begun to consider how time should be kept on the moon and how lunar missions will fix their own positions independent from Earth. We may need a lunar time zone sooner than later, they say.
Full Story: Space (3/1) 
Star Wars
The Mandalorian season 3 episode 1 review
(Disney Plus)
The Mandalorian season 3 kicks off with 'The Apostate,' a relaxed but fun episode full of familiar faces that sets up the next steps in Din Djarin and Grogu's journey.
Full Story: Space (3/1) 
 
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Future US LLC ©
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