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Wednesday, February 28, 2024

NASA's Dana Weigel will be the 1st female ISS program manager

Dana Weigel will be the 1st female ISS program manager | Odysseus sends back more photos from moon landing | Free solar filter with purchase of Unistellar telescope

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

February 28, 2024

CONNECT WITH SPACE.COM

Something amazing every day.

The Launchpad

Dana Weigel will be the 1st female ISS program manager

(NASA)

NASA's Dana Weigel was named incoming permanent program manager for the International Space Station (ISS) on Monday (Feb. 26), succeeding Joel Montalbano. As Weigel takes office on April 7, she will become the first woman to serve in the role.

Full Story: Space (2/27)

Odysseus sends back more photos from moon landing

(Intuitive Machines)

Odysseus touched down about 190 miles (300 kilometers) from the moon's south pole on Thursday (Feb. 22), becoming the first private spacecraft ever to land softly on Earth's nearest neighbor - and the first American vehicle to do since since the final Apollo mission in 1972. We just got a fresh look at Odysseus' epic descent, thanks to three new photos from Intuitive Machines.

Full Story: Space (2/27)

Total Solar Eclipse 2024

Free solar filter with purchase of Unistellar telescope

(Unistellar)

The free smart solar filter that comes with a telescope of your choice from Unistellar's website allows you to view the solar eclipse on April 8 safely. We strongly recommend using safe solar equipment to view the eclipse and of course, once the eclipse is over, you will still have a top piece of kit so you can have great views of the stars and beyond. Plus, you can safely observe the sun during the day without running the risk of damaging the telescope or its sensitive image sensor.

Full Story: Space (2/28)

Skywatching

Don your eclipse glasses for the biggest sunspot in years

(NASA)

Between Saturday (Feb. 24) and Monday (Feb. 26), as the sunspot known as AR3590 turned toward Earth, it also grew by around 25% to become the largest sunspot of the current 11-year solar cycle, solar cycle 25, measuring around 9.5 times the surface area of Earth.

Full Story: Space (2/27)

Spaceflight

SpaceX's longest-ever astronaut ferry was a smooth ride

(Axiom Space)

After spending more than three days inside a SpaceX Crew Dragon capsule during his most recent mission, a private astronaut says he'd gladly jump in again.

Full Story: Space (2/28)

Science & Astronomy

JWST finds dwarf galaxies reshaped the early universe

(NASA/ESA/Robert Lea)

Astronomers have used the James Webb Space Telescope (JWST) and an effect predicted by Albert Einstein over 100 years ago to discover that small galaxies in the early cosmos packed a massive punch, shaping the entire universe when it was less than 1 billion years old.

Full Story: Space (2/28)

SpaceX

SpaceX fires up rocket ahead of March 1 astronaut launch

(SpaceX)

SpaceX just notched another milestone ahead of its next astronaut mission. The company announced Tuesday (Feb. 27) that it had conducted a static fire test with the Falcon 9 rocket that will launch the Crew-8 mission to the International Space Station (ISS) for NASA. Static fires are common prelaunch trials in which a rocket's engines are ignited briefly while the vehicle is anchored to the pad.

Full Story: Space (2/28)

Search for Life

Possibly habitable Trappist-1 destroying its atmosphere

(Robert Lea)

Scientists have discovered that a potentially habitable planet is having its atmosphere stripped, a process that may eventually render the world, Trappist-1e, inhospitable to life. The stripping appears to be caused by electric currents created as the planet races around its red dwarf host star.

Full Story: Space (2/28)

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Seminars Digest, Vol 61, Issue 4

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Today's Topics:

1. Friday 01.03.2024 (Serge Krashakov)

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

Message: 1
Date: Tue, 27 Feb 2024 15:30:49 +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 01.03.2024
Message-ID: <f9ad9964-d5e1-4227-a821-a7e4c29aa162@itp.ac.ru>
Content-Type: text/plain; charset="utf-8"; Format="flowed"

Уважаемые коллеги!

В пятницу 1 марта в 11:30 состоится коллоквиум, на котором будет
заслушан доклад:

Владимир Енальдиев (Абрикосовский центр теоретической физики, МФТИ)
*Impact of lattice reconstruction on electronic properties of twistronic
heterostructures hosting long-period moiré superlattice*

In the talk I describe a multiscale approach to lattice relaxation of
long-period moiré superlattice in marginally twisted bilayers [1,2].
Based on that I introduce a concept of interface ferroelectricity
emerging as an array of polar domains with alternating out-of-plane
polarization in twistronic heterostructures consisting of 2D material's
layers lacking of inversion symmetry [3]. For the structures based on
twisted transition metal dichaIcogenides bilayers I present a domain
wall network model which predicts a universal scaling of polar domain
structure in external out-of-plane electric field [4]. Second part of my
talk will be devoted to modelling of graphene-based twistronic
heterostructures using hybrid kp-tight-binding Hamiltonians [5]. In
particular, I will describe electronic properties of AB/BA domain wall
in bilayer graphene [6] and show that single-element structures such as
few-layer rhombohedral graphite stacks with twin boundary plane can host
weak ferroelectricity [7].
[1] V.V. Enaldiev, V. Zolyomi, C. Yelgel et al, Phys. Rev. Letters 124,
206101 (2020).
[2] A. Weston, Y. Zou, V. Enaldiev et al, Nature Nanotechnology 15, 592
(2020).
[3] A. Weston, E.G. Castanon, V. Enaldiev et al, Nature Nanotechnology
17, 390 (2022).
[4] V.V. Enaldiev, F. Fereira, V.I. Fal'ko, Nano Letters 22, 1534 (2022).
[5] A. Garcia-Ruiz, H. Deng, V. Enaldiev, V. Falko, Phys Rev B 104,
085402 (2021).
[6] V. Enaldiev, C. Moulsdale, A.K. Geim, V.I. Falko, arXiv:2307.12848.
[7] A.Garcia-Ruiz, V. Enaldiev, A. McEllstrim, V. Falko, Nano Lett. 23,
4120 (2023).

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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Tuesday, February 27, 2024

SpaceX Crew-8 astronauts eager for launch to ISS on March 1: 'Things surprise you, but we're ready'

It's alive! JAXA SLIM moon lander sends home new photos | SpaceX Crew-8 astronauts eager for launch to ISS March 1 | ISS astronauts witness 'spectacular' auroras from space

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

February 27, 2024

CONNECT WITH SPACE.COM

Something amazing every day.

The Launchpad

It's alive! JAXA SLIM moon lander sends home new photos

(JAXA)

Japan's SLIM lander is alive after a long sleep on the moon. SLIM, short for "Smart Lander for Investigating Moon," responded to a command from Earth after hibernating for nearly a month. Part of that downtime fell during the cold of the moon's two-week night, mission officials announced

Full Story: Space (2/26)

SpaceX Crew-8 astronauts eager for launch to ISS March 1

(SpaceX)

A new set of astronauts are ready for an International Space Station launch. SpaceX is set to launch four new astronauts on the Crew Dragon spacecraft for Crew-8, the eighth operational commercial crew mission for NASA, to the International Space Station no earlier than Mar. 1.

Full Story: Space (2/27)

Skywatching

ISS astronauts witness 'spectacular' auroras from space

(Jasmin Moghbeli/NASA)

Earlier this month, International Space Station astronaut Jasmin Moghbeli captured absolutely stunning pictures of a flag-like green aurora stretching from the southern regions of the Earth far up into space. "The auroras from up here are spectacular," NASA's Moghbeli told Space.com. Of the green auroras Moghbeli saw on Feb. 15, she said it was one of her space mission highlights witnessing "some green, some red that just swept across the surface of the Earth."

Full Story: Space (2/25)

Spaceflight

Odysseus moon landing builds momentum for Artemis (exclusive)

(JAXA (left), NASA (right))

NASA sees an even brighter future for its human moon-landing program after a private robotic mission safely touched down last week. Astronaut Tracy C. Dyson says NASA's Artemis program, which aims to put boots on the moon as soon as 2026, is getting "momentum" from the private Intuitive Machines landing. That mission, known as IM-1, made the first soft U.S. lunar touchdown in 52 years this past Thursday (Feb. 22).

Full Story: Space (2/26)

Science & Astronomy

The Milky Way's 'Radcliffe Wave' is literally waving

(Ralf Konietzka, Alyssa Goodman & WorldWide Telescope)

In the Milky Way, not far from our sun, lies a colossal chain of gas clouds. It's called the Radcliffe Wave. Some 800 million stars live within the Radcliffe Wave, and the wave's star-forming gas is even now seeding hundreds of millions more. As you may imagine, the astronomers who discovered the Wave named it as such because it looked like a "wave" to them - and in a new paper, some of the same astronomers now present evidence that it is also a literal wave. It oscillates over time, they realized, its stars rising through the Milky Way's disk before falling back again.

Full Story: Space (2/26)

SpaceX

FAA closes investigation into explosive 2nd Starship flight

(SpaceX)

The U.S. Federal Aviation Administration (FAA) has closed the investigation into the second flight of SpaceX's huge Starship vehicle, the agency announced this afternoon (Feb. 26). SpaceX has been prepping for Starship flight number 3, in keeping with the company's fast-paced "build, fly and iterate" philosophy. But today's news does not constitute clearance to launch, the FAA stressed.

Full Story: Space (2/26)

Technology

OSIRIS-APEX wakes up after surviving close solar pass

(NASA/Goddard Space Flight Center)

Since last December, the NASA space probe had gone on a two-month hiatus as it glided 25 million miles (40.2 million kilometers) closer to the sun than it was designed to operate on its way to encounter a space rock named Apophis. The OSIRIS-APEX spacecraft inched the closest to the sun on Jan. 2, the first of seven such approaches (or "perihelions") on its calendar before it can reach its target asteroid in 2029. For the past two months, the spacecraft had tucked in one of its two solar panels to protect its most sensitive instruments, an endeavor that limited its power and ability to communicate back home. But NASA has now received enough information from the probe to determine it seems to be performing well.

Full Story: Space (2/26)

Search for Life

Searching for alien tech on mathematically perfect planets

(CC BY-NC-SA 4.0, Thibaut Roger/NCCR PlanetS)

Late last year, astronomers discovered a fascinating star system only 100 light-years away from us. Its six sub-Neptune planets circle very close to their host star in mathematically perfect orbits, piquing the interest of scientists searching for alien technology, or technosignatures, which they argue would offer compelling evidence of advanced life beyond Earth. To be clear, no such evidence was found in the system, dubbed HD 110067. However, the researchers say they're not done looking yet. HD 11067 remains an interesting target for similar observations in the future.

Full Story: Space (2/26)