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Thursday, October 19, 2023

Virgin Galactic sets date, announces crew for 5th commercial spaceflight

Virgin Galactic sets date and crew for 5th commercial flight | Space Quiz! When will, or when did NASA's Parker Solar Probe make its closest approach to the sun? | Canada to launch new satellites to monitor climate change

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

October 19, 2023

CONNECT WITH SPACE.COM

Something amazing every day.

The Launchpad

Virgin Galactic sets date and crew for 5th commercial flight

(Virgin Galactic)

This will be Virgin Galactic's sixth spaceflight in as many months and will see its reusable space plane VSS Unity reach an altitude of about 54 miles (87 kilometers) above Earth, enough for its passengers to experience weightlessness and see the blackness of space.

Full Story: Space (10/19)

Space Quiz! When will, or when did NASA's Parker Solar Probe make its closest approach to the sun?

Learn the answer here!

Canada to launch new satellites to monitor climate change

(Canadian Space Agency)

Canada aims to add more satellites to its flagship Earth observation program "as soon as possible" thanks to a fresh funding infusion, a senior space official said in an exclusive interview.

Full Story: Space (10/18)

Skywatching

NASA astronaut snaps photo of solar eclipse from ISS

(NASA/Jasmin Moghbeli)

Not all of the skywatchers who enjoyed last weekend's solar eclipse were confined to planet Earth.

Full Story: Space (10/18)

Spaceflight

Parker Solar Probe smashes spacecraft speed record

(NASA/Johns Hopkins APL/Steve Gribben)

NASA's Parker Solar Probe has reached a record-breaking speed as it gets a gravitational assist from Venus to fall closer to the sun's scorching surface.

Full Story: Space (10/18)

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Science & Astronomy

'Galactic atlas' offers stunning details of 400,000 galaxies

(CTIO/NOIRLab/DOE/NSF/AURA/J. Moustakas)

The Siena Galaxy Atlas is a treasure trove of information for scientists studying the structure of the universe - and, it's free for the public to access.

Full Story: Space (10/18)

SpaceX

SpaceX aims to launch 144 missions next year

(Josh Dinner)

Elon Musk's company has already launched 74 orbital missions in 2023, more than any private outfit ever has in a single year. (The previous record was 61, set by SpaceX in 2022.) But these next 2.5 months should see even more spaceflight action.

Full Story: Space (10/18)

Technology

How AI-powered lasers could help with space debris

(WVU Illustration/Savanna Leech)

While space debris has been a concern for decades, efforts to address this junk have only recently started receiving serious investment. The latest early-stage idea is to mount artificial intelligence-powered lasers on satellites or other dedicated platforms and have them monitor space debris objects.

Full Story: Space (10/18)

Entertainment

Queen legend Brian May analyzes OSIRIS-REx samples

(Frazer Harrison/Getty Images)

May and fellow citizen scientist Claudia Manzoni were invited to examine images taken of Bennu's surface by the OSIRIS-REx spacecraft to find opportunities to apply a technique called stereoscopy - which can basically add a 3D dimensional effect and illusion of depth to a 2D image.

Full Story: Space (10/18)

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Seminars Digest, Vol 57, Issue 6

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Today's Topics:

1. Friday 30.10.2023 (Serge Krashakov)
2. Friday 20.10.2023 (Serge Krashakov)

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

Message: 1
Date: Wed, 18 Oct 2023 12:03:14 +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 30.10.2023
Message-ID: <32fccd32-1efb-433b-a718-4b1ca09eedf2@itp.ac.ru>
Content-Type: text/plain; charset="utf-8"; Format="flowed"

Уважаемые коллеги!

На заседании Ученого совета в пятницу 20 октября в 11:30 будет заслушан
доклад:

_С.В. Дремов (НГУ)_, А.А. Гелаш, Р.И. Мулляджанов, Д.И. Качулин
*Bi-solitons on the surface of a deep fluid: an analytical-numerical
inverse scattering transform approach*

We investigate theoretically and numerically the dynamics of long-living
bound state coherent structures, namely bi-solitons, obtained earlier in
[1] in the framework of the Zakharov equation and the exact nonlinear
RV-equations. To elucidate the long-living bi-soliton complex nature we
propose a semi-analytical approach based on the perturbation theory and
inverse scattering transform (IST) for the 1D focusing nonlinear
Schrödinger equation (NLSE). We present the Zakharov equation and the
RV-equations as the NLSE plus a right-hand side in order to apply our
approach. Then we compute the IST scattering data for a time series of
the bi-soliton wavefield, and observe a periodic energy exchange between
two solitons and continuous spectrum radiation resulting in stable
oscillations of the coherent structure. We find that soliton eigenvalues
oscillate on stable trajectories experiencing a slight drift on a scale
of hundreds of oscillation periods. In addition, after obtaining the
change of the bi-soliton eigenvalues, we observe that they are in good
agreement with predictions of the IST perturbation theory. Based on
these results we conclude that the IST perturbation theory justifies the
existence of the bound state coherent structures on the surface of deep
water which emerge as a result of a balance between the dominant
solitonic part and a portion of continuous spectrum radiation.
[1]. Kachulin, D., Dremov, S., Dyachenko, A. (2021). Bound coherent
structures propagating on the free surface of deep water. Fluids, 6(3),
115.

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 больше 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.

С. Крашаков
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Message: 2
Date: Wed, 18 Oct 2023 12:04:36 +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 20.10.2023
Message-ID: <781b88ea-a3a3-41ac-b6a3-63b76ef98af4@itp.ac.ru>
Content-Type: text/plain; charset="utf-8"; Format="flowed"

Уважаемые коллеги!

На заседании Ученого совета в пятницу 20 октября в 11:30 будет заслушан
доклад:

С. Крашаков
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Subject: Digest Footer

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End of Seminars Digest, Vol 57, Issue 6
***************************************

Wednesday, October 18, 2023

Satellite sees annular solar eclipse from 1 million miles away (photo)

Satellite sees solar eclipse from 1 million miles high | Space Quiz! What is the nearest galaxy to the Milky Way? | Jupiter-like exoplanets show our system may not be unique

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

October 18, 2023

CONNECT WITH SPACE.COM

Something amazing every day.

The Launchpad

Satellite sees solar eclipse from 1 million miles high

(NASA/DSCOVR EPIC team)

The Deep Space Climate Observatory (DSCOVR) satellite snapped an amazing photo of the eclipse, which thrilled millions of skywatchers across the the Americas on Saturday (Oct. 14).

Full Story: Space (10/17)

Space Quiz! What is the nearest galaxy to the Milky Way?

Learn the answer here!

Jupiter-like exoplanets show our system may not be unique

(Robert Lea)

Jupiter-like planets may be a common occurrence in the interplanetary space near our solar system, especially around stars similar to our sun, a new study suggests.

Full Story: Space (10/17)

Skywatching

Streetlight hack could protect against urban light pollution

(StealthTransit)

When an entire city gets fitted with energy-saving LED lamps, this bright light scatters through Earth's atmosphere and makes the sky glow with greater intensity.

Full Story: Space (10/17)

Spaceflight

NASA delays spacewalk a 2nd time due to leak on ISS

(NASA)

A spacewalk last set for Thursday (Oct. 19) will now happen later in 2023 as NASA and Russia's federal space agency, Roscosmos, continue their analysis of a recent coolant leak on the Russian segment of the International Space Station.

Full Story: Space (10/17)

Special Offer from 1440 Daily Digest

Sponsored Content from 1440 Daily Digest

Science & Astronomy

Galactic archeology reveals Andromeda's a violent past

(NASA/SOFIA/Lynette Cook)

An team of astrophysicists looked at the chemical compositions of stars in Andromeda to reconstruct its past, and concluded that it experienced a dramatic and forceful formation.

Full Story: Space (10/18)

Technology

Students set record with stratospheric balloon launch

(High School for Girls/Astrogazers Club)

A team from the Astrogazers Club at the Croydon High School for Girls became the first U.K. school group to successfully launch and recover two weather balloons that reached high into Earth's atmosphere, a major achievement for STEM students in the country.

Full Story: Space (10/17)

Search for Life

Ceres could be a great place to hunt for alien life

(NASA/JPL-Caltech/UCLA/MPS/DLR/IDA)

Numerous asteroids that have punctured the surface of dwarf planet Ceres also appear to have influenced its reservoir of precious organic molecules.

Full Story: Space (10/18)

Telescopes & Binoculars

Best monocular 2023: Discover your top options

(Apexel)

The best monoculars provide a compact, lightweight and travel-friendly solution for stargazing on-the-go, nature-spotting and traveling this fall.

Full Story: Space (2/22)

Entertainment

'Futurama' team on physics, humor, heart at NYComicCon

(Matt Groening/Hulu)

After getting canceled three separate times in the past 20 years, "Futurama" has finally found a new home on Hulu. And, unlike a lot of "20 years later" revivals, the show's new season has been pretty good so far.

Full Story: Space (10/17)