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Thursday, May 16, 2024

Wow! Satellite views International Space Station from only 43 miles away (photo)

Wow! Satellite views Space Station from only 43 miles away | Earth-size planet discovered around cool red dwarf star | Solar flare-launching sunspot has rotated away from Earth

Created for znamenski.spacecom@blogger.com | Web Version

May 16, 2024

CONNECT WITH SPACE.COM

Something amazing every day.

The Launchpad

Wow! Satellite views Space Station from only 43 miles away

(HEO Robotics)

Satellite, meet space station. HEO Robotics, which monitors the area around Earth and observes orbiting objects with space-based sensors, captured a stunning image of the International Space Station (ISS) using one of its satellites. The two objects were moving at 3.7 miles (6 kilometers) a second relative to each other, making the orbital image all the more notable.

Full Story: Space (5/15)

Earth-size planet discovered around cool red dwarf star

(NASA/JPL-Caltech)

Astronomers have discovered an Earth-size planet orbiting an ultracool red dwarf star similar in size to Jupiter. The red dwarf, located some 55 light-years away, is 100 times less bright than the sun and exhibits half the temperature of our star. This new extrasolar planet, or exoplanet, is named SPECULOOS-3 and represents just the second time astronomers have discovered a planetary system around a red dwarf star, the first being the Trappist-1 system.

Full Story: Space (5/15)

Skywatching

Solar flare-launching sunspot has rotated away from Earth

(NASA/SDO and the AIA, EVE, and HMI science teams/helioviewer.org)

The sunspot AR3664, which is about 15 times wider than Earth, has finally rotated out of our planet's view - but not before firing off two more big solar storms. The big flares that erupted from AR3664 over the weekend were accompanied by coronal mass ejections (CMEs), outbursts that send huge clouds of solar plasma streaking through space. Because the sunspot was facing Earth at the time, those CMEs slammed into our planet, supercharging the aurorae and causing radio blackouts in some places.

Full Story: Space (5/15)

Science & Astronomy

Planet-forming 'Cosmic butterfly' disk is largest ever seen

(Pan-STARRS)

The largest planetary construction site ever seen, spanning hundreds of billions of miles in size, may very well be cast in an enormous shadow that accentuates its bizarre appearance. In short, it looks like a cosmic butterfly - and, for years, it was ignored.

Full Story: Space (5/15)

Search for Life

Cotton candy exoplanet is 2nd lightest planet ever found

(Robert Lea)

Astronomers have discovered a new planetary oddball beyond the solar system that is as fluffy and light as cotton candy. WASP-193 b is the second-lightest planet in the exoplanet catalog, which contains over 5,400 entries.

Full Story: Space (5/15)

Telescopes & Binoculars

To better predict volcanic eruptions, you have to dig deep

(Vladimir Borzykin/Getty Images)

In most cases, we know when a volcano is going to erupt. Well, sort of. While we can't predict the precise moment an eruption will begin, volcanoes often show signs that they're "waking up." Typically, those signs come from changes in the volcano itself, as well as from changes within the topmost layers of Earth's crust. But new research, spearheaded by teams from Imperial College London and the University of Bristol, suggests we should be looking deeper -- up to 12.5 miles (20 km) underground - at different eruption cues that might help us improve our predictions.

Full Story: Space (5/15)

Entertainment

Become an astrobiologist in new NASA graphic novel

(NASA/Aaron L. Gronstal)

NASA is hoping to entice space fans of all ages to learn more about the field with ambitious and successful outreach programs, and the latest edition in their "Astrobiology" series of graphic novels is fully fueled with 28 pages of informative storytelling for comics fans and future scientists of all abilities to ingest and enjoy.

Full Story: Space (5/15)

Star Trek

'Discovery' s5e8 'Labyrinths' is fun, formatted episode

(Paramount Plus)

Warning: Spoilers ahead for "Star Trek: Discovery" season 5, episode 8. -- After the apparent "death" of L'ak (Elias Toufexis) last week, the sense of urgency of this fifth and final season of "Star Trek: Discovery" has certainly been ramped up, but we're still willing to wager that his resurrection via Progenitor tech will be the example to prove how important that MacGuffin actually is.

Full Story: Space (5/16)

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Seminars Digest, Vol 64, Issue 1

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Today's Topics:

1. Friday 17.05.2024 (Serge Krashakov)

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

Message: 1
Date: Wed, 15 May 2024 21:22:29 +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 17.05.2024
Message-ID: <1edd4d8f-ea0e-4e02-93f9-da4eb30fa98f@itp.ac.ru>
Content-Type: text/plain; charset="utf-8"; Format="flowed"

Уважаемые коллеги,

В пятницу 17 мая в 11:30 состоится коллоквиум, на котором будет заслушан
доклад:

Илья Токатлы (Universidad del Pais Vasco, San Sebastian, Spain)

Спин-обитальное взаимодействие и магнитоэлектрические эффекты в
сверхпроводящих структурах

В этом докладе я представлю обзор теории когерентных
магнитоэлектрических эффектов, обусловленных спин-орбитальным
взаимодействием в сверхпроводящих структурах. Особое внимание будет
уделено симметрийной природе рассматриваемых явлений, а также тесной
связи эффектов "классической спинтроники", например, спинового эффекта
Холла и спин- гальванического эффекта, с фазово-когерентными
транспортными явлениями, такими как аномальный эффект Джозефсона
(φ0-эффект), сверхпроводящий диод-эффект, генерация дальнодействующих
триплетных кореляций и др. Я начну с краткого введения в описание
сцепленного диффузного транспорта спина и заряда в нормальных
проводниках и, используя аналогию с линеризованными уравнениями Узаделя,
обсужу качественную картину магнитоэлектрических явлений в
сверхпроводящих системах. Построение более строгой микроскопической
теории будет рассмотрено на примере ряда популярных упрощенных моделей
электронного газа с "внутренней" (связанной с кристаллическим полем) и
"внешней" (на случайном потенциале) спин-орбитой. В заключительной части
я представлю универсальный феноменологический подход к транспорту спина
и заряда в диффузном режиме, основанный на формализме нелинейной сигма
модели (NLSM). В частности, я покажу, как транспортные
магнитоэлектрические эффекты могут быть включены в NLSM, используя
только общие соображения симметрии.

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 17:00
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 15, 2024

Artemis 2 astronauts simulated a day in the life on their moon mission. Here's what they learned (exclusive)

Helium leak delays astronaut launch of Starliner to May 21 | Artemis astronauts simulate moon mission 'day in the life' | Blue Origin targeting May 19 for next crewed flight

Created for znamenski.spacecom@blogger.com | Web Version

May 15, 2024

CONNECT WITH SPACE.COM

Something amazing every day.

The Launchpad

Helium leak delays astronaut launch of Starliner to May 21

(NASA)

The crewed debut of Boeing's Starliner capsule has been pushed back an additional four days. Starliner had been scheduled to lift off this Friday (May 17) on Crew Flight Test (CFT), a mission that will send NASA astronauts Suni Williams and Butch Wilmore to the International Space Station (ISS) for a roughly eight-day stay. But that's no longer the plan. Teams detected a small helium leak in Starliner's service module and have pushed the target date back to May 21, Boeing announced in an update today (May 14).

Full Story: Space (5/14)

Artemis astronauts simulate moon mission 'day in the life'

(NASA)

Astronauts flying to the moon face that situation in spades: Once everything is on the spacecraft and they're on the way, there's no way to add to or change anything on the Orion spacecraft. So the Artemis 2 crew practiced a "day in the life" of their moon mission, expected to fly there in 2025, to see if there were any little items they may have forgotten.

Full Story: Space (5/15)

Spaceflight

Blue Origin targeting May 19 for next crewed flight

(Blue Origin)

Blue Origin's human-spaceflight drought will end this weekend, if all goes according to plan. Jeff Bezos' spaceflight company announced today (May 14) that it's targeting Sunday (May 19) for its latest suborbital space tourism effort. The mission, known as NS-25, will lift off from Blue Origin's West Texas site during a window that opens at 9:30 a.m. EDT

Full Story: Space (5/14)

Science & Astronomy

Sun unleashes biggest solar flare of current cycle

(NASA/SDO)

A massive sunspot on the sun's surface just left us another parting gift just as it rotates out of sight from our perspective here on Earth. The sunspot, designated, AR3664, has been crackling with solar flares for days. On May 10, it erupted with an X5.8-class flare, and within the past 12 hours, a trio of X-class flares erupted from the sun measuring at X1.7, X1.3 and a whopping X8.7, the largest solar flare of the current 11-year solar cycle.

Full Story: Space (5/14)

SpaceX

SpaceX launches its 50th mission of the year (video)

(SpaceX)

SpaceX launched 20 of its Starlink internet satellites today (May 14), on the company's 50th orbital mission of 2024. A Falcon 9 rocket carrying the Starlink spacecraft -- 13 of which feature direct-to-cell capability - lifted off from California's Vandenberg Space Force Base today at 2:39 p.m. EDT (1839 GMT; 11:39 a.m. local California time).

Full Story: Space (5/14)

Technology

Satellite images of illustrate Palestinians fleeing Rafah

(Planet Labs PBC)

Satellite images taken earlier this month offer a spaceborne perspective of the ongoing Israel-Hamas war. They include scenes such as a before-and-after sequence that illustrates Palestinian civilians fleeing Rafah, a view of damaged buildings in the region and conglomerates of Israeli hardware.

Full Story: Space (5/14)

Search for Life

Curiosity rover follows possible Mars river remnant

(NASA/JPL-Caltech)

Last week, Curiosity reached the north side of Pinnacle Ridge, part of a rock wall that looms over Gediz Vallis. In fact, after Curiosity navigated bumpy ground to do that, it found that the ridge's south side is navigable. That left Curiosity's overseers at NASA's Jet Propulsion Laboratory (JPL) in Southern California with a choice: Should they keep on their planned course, continuing to drive along Gediz Vallis until they reach a point where the rover can cross it? Or should they take a diversion to explore Pinnacle Ridge's south side?

Full Story: Space (5/14)

Telescopes & Binoculars

Best telescopes in 2024: Observe and image the cosmos

(Jason Parnell-Brookes)

The best smart telescopes have revolutionized the way we explore the night sky by effortlessly merging imaging technology with astronomy. Smart telescopes come equipped with integrated electronics, connectivity features and are largely controlled via smartphone apps that enhance your stargazing experience. Designed for both novice astronomers and seasoned stargazers, smart telescopes cater to a wide range of users with different experience levels.

Full Story: Space (2/7)

Entertainment

New Book, 'Challenger: A True Story of Heroism & Disaster on the Edge of Space'

(Simon & Schuster)

Weaving together an incredibly detailed and compelling narrative of NASA's tragic space shuttle Challenger disaster, a new non-fiction account of the historic event arrives today from Adam Higginbotham, the New York Times bestselling author of "Midnight in Chernobyl."

Full Story: Space (5/14)