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)


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

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"

Уважаемые коллеги!

На заседании Ученого совета ИТФ в пятницу 31 мая в 11:30 будут заслушаны
2 доклада:

_1) Н.Г. Маснев_, Е.В. Подивилов, Б.И. Стурман
*Влияние проводимости доменной стенки на кинетику обращения
сегнетоэлектрического домена*

Недавнее открытие и исследование проводимости доменной стенки (ДС) в
сегнетоэлектриках обещает существенно модифицировать представление о
переполяризации. На примере ниобата лития показано, что наличие
проводимости ДС не только решает давнюю проблему нереалистично высокой
энергии образования доменов, но также приводит к экспоненциальным
зависимостям электрического поля exp(−E_n /E) и exp(−E_l /E) для
скоростей нуклеации (n) и латерального (l) роста с характерными полями
E_n ≈ 75 и E_l ≈ 15 кВ/мм. Кинетика изменения поляризации демонстрирует
различные стадии зарождения, латерального роста и слияния отдельных
доменов. В соответствии с экспериментом это соответствует общему
экспоненциальному закону exp(E^* ) для времени разворота с E_l < E^* <
E_n . Насколько нам известно, это исследование является первым,
объясняющим теоретически это закон.
Письма в ЖЭТФ, 119(10), 766-767 (2024)

2) А.О. Короткевич
*Прямой каскад турбулентности капиллярных волн: численное моделирование*
(короткий доклад)

Приводятся результаты большого массива экспериментов по моделированию
турбулентности капиллярных волн. Получен динамический диапазон прямого
каскада более одной декады в пространстве волновых векторов, что
соответствует примерно двум декадам по частоте. Рассматривается влияние
размера области на наблюдаемые спектры.


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

При числе желающих не менее 5 будет организован автобус.
Для записи на автобус из Москвы в Черноголовку необходимо до 18:00
четверга отправить письмо на адрес электронной почты bus@itp.ac.ru
После этого записавшимся до 20:00 поступит подтверждение об отправке или
неотправке автобуса в зависимости от числа записавшихся.
Запись на обратный автобус - на Ученом совете.
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***************************************

Wednesday, May 29, 2024

SpaceX launches Earth-observing satellite to orbit on 2nd leg of doubleheader (photos, video)

Chinese astronauts perform record-breaking spacewalk | Space Quiz! What role did Denise Crosby play in "Star Trek: The Next Generation"? | SpaceX launches Earth-observing satellite to orbit
Created for znamenski.spacecom@blogger.com |  Web Version
May 29, 2024
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The Launchpad
Chinese astronauts perform record-breaking spacewalk
(CMSA)
Two Chinese astronauts just set a new spacewalking record for the country. Ye Guangfu and Li Guangsu, two members of China's three-person Shenzhou 18 mission, spent about 8.5 hours working outside the Tiangong space station yesterday (May 28). That's longer than any previous Chinese spacewalk, or extravehicular activity (EVA), according to the nation's state-run Xinhua news service.
Full Story: Space (5/28) 
Email
Space Quiz! What role did Denise Crosby play in "Star Trek: The Next Generation"?
Learn the answer here!
VoteBeverly Crusher
VoteDeanna Troi
VoteRo Laren
VoteTasha Yar
SpaceX launches Earth-observing satellite to orbit
(ESA/SpaceX)
A new Earth-observation mission made it to space yesterday (May 28). A Falcon 9 rocket from SpaceX lifted off with the Earth Cloud Aerosol and Radiation Explorer satellite, or EarthCARE for short, from Vandenberg Space Force Base in California today at 6:20 p.m. EDT (2220 GMT or 3:20 p.m. local time in California). It was the second launch of the day for SpaceX, which also sent a group of its Starlink internet satellites to orbit from Cape Canaveral Space Force Station in Florida this morning.
Full Story: Space (5/28) 
Email
Space Deal of the Day
Binoculars deals: The best discounts and savings 2024
(Getty Images)
Now is a great time to be on the lookout for binoculars deals as you can get some of the best binoculars for a reduced rate. You'll be forgiven for immediately thinking of the best telescopes when it comes to astronomy but, even though they don't offer the same viewing power, binoculars can offer stunning night sky views for less. You might find that some top binoculars are more cost-effective, even if you were to bag one of the best telescope deals.
Full Story: Space (10/15) 
Spaceflight
Russian cargo ship leaves the ISS, burns up in atmosphere
(Roscosmos)
An uncrewed Russian cargo spacecraft came crashing back to Earth today (May 28) as planned. The Progress 86 freighter undocked from the International Space Station (ISS) today at 4:39 a.m. EDT (0839 GMT) and headed back down to Earth.
Full Story: Space (5/28) 
Email
Science & Astronomy
Scientists pick their favorite Euclid telescope images
(ESA/Euclid/Euclid Consortium/NASA, image processing by J.-C. Cuillandre (CEA Paris-Saclay), G. Anselmi; CC BY-SA 3.0 IGO or ESA Standard Licence)
"I had to take a deep breath when I saw the images because of their beauty and because of their high resolution."
Full Story: Space (5/28) 
Email
SpaceX
SpaceX launches 23 Starlink satellites from Florida
(SpaceX)
The Falcon 9's first stage came back to Earth about 8 minutes after launch, landing on the droneship A Shortfall of Gravitas in the Atlantic Ocean. It was the 10th launch and landing for this particular first stage, according to a SpaceX mission description. Six of its nine flights to date have been Starlink missions.
Full Story: Space (5/27) 
Technology
Is it time to put a dimmer on space solar power?
(ESA/A. Treuer)
The thought of beaming power to an energy-hungry Earth from space has long been studied. It was first proposed over 80 years ago in science fiction.
Full Story: Space (5/29) 
Email
Star Trek
'Star Trek Online' Season 32 is here, starring Denise Crosby
(Arc Games/Cryptic Studios)
For this dynamic sci-fi adventure, Arc Games and Cryptic Studios are bringing back a compelling character from "Star Trek: The Next Generation" in the form of an alternative universe version of Sela, a Human-Romulan hybrid played by Denise Crosby.
Full Story: Space (5/28) 
Email
 
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Future US LLC ©
Full 7th Floor, 130 West 42nd Street, New York, NY, 10036