Chelyabinsk meteor was a planetary defense wakeup call

Chelyabinsk meteor was a planetary defense wakeup call | Big asteroid to zoom by Earth on Wednesday | Space quiz! On Feb. 15, 2013, a small asteroid exploded over the city of Chelyabinsk, Russia. Fireballs like these that explode in the atmosphere and are seen over a large distance are referred to as what? Created for znamenski.spacecom@blogger.com |  Web Version February 15, 2023 CONNECT WITH SPACE.COM       Something amazing every day. SIGN UP ⋅   WEBSITE   The Launchpad Chelyabinsk meteor was a planetary defense wakeup call (Elizaveta Becker/ullstein bild via Getty Images) 10 years ago today, the Chelyabinsk meteor explosion showed why we need better methods of detecting and tracking near-Earth asteroids. Full Story: Space (2/15)  Big asteroid to zoom by Earth on Wednesday (ESA) It's not a particularly close shave - just a reminder that we share space with a lot of fast-moving rocks. Full Story: Space (2/14)  POLL QUESTION: Space quiz! On Feb. 15, 2013, a small asteroid exploded over the city of Chelyabinsk, Russia. Fireballs like these that explode in the atmosphere and are seen over a large distance are referred to as what? Learn the answer here! Meteoroids Bolides Chondrites Comets Space Deal of the Day (Getty Images) Best binoculars for kids: Top picks for youngsters Get your children into stargazing with the best binoculars for kids, plus our updated recommendations for what to look out for. Read More Science & Astronomy Hubble spies strange spokes on Saturn's rings (video) (NASA/JPL-Caltech) The Hubble Space Telescope captured mysterious features on Saturn's rings, signaling the start of the planet's "spoke season." Full Story: Space (2/14)  Earth-size exoplanet spotted just 72 light-years away (NASA/JPL-Caltech) Researchers hope to discover more exoplanets in the K2-415 system. Full Story: Space (2/14)  SpaceX (Polaris Program / John Kraus via Flickr) The Polaris Program: One big step for civilian spaceflight The shrinking cost of access to space means the final frontier is more accessible today than ever before. Read More Spaceflight How China's astronauts keep fit aboard Tiangong (video) (CCTV) China's astronauts are working up a sweat in orbit with a variety of exercise machines designed to keep them fit and fight the loss of bone density that comes with living in microgravity. Full Story: Space (2/15)  Virgin Orbit failed launch due to 'dislodged fuel filter' (Virgin Orbit/Greg Robinson) But the company continues to investigate the Jan. 9 anomaly. Full Story: Space (2/14)  Search for Life Perseverance Mars rover snaps photo of filled sample depot (NASA/JPL-Caltech/MSSS) NASA's Perseverance Mars rover has recorded the first-ever off-Earth sample depot for posterity. Full Story: Space (2/15)  Star Trek 'Star Trek Annual 2023' is a trip through Trek history (IDW Publishing) Take a hop through "Star Trek" history with this holodeck-centered mission. Full Story: Space (2/14)    Sign Up  |    Update Profile  |    Unsubscribe Privacy Policy  |    Cookies Policy  |    Terms and Conditions CONTACT US: FEEDBACK  |    ADVERTISE Future US LLC © Full 7th Floor, 130 West 42nd Street, New York, NY, 10036

Seminars Digest, Vol 51, Issue 3

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Today's Topics:

1. Re: Friday 17.03.2023 (Serge Krashakov)

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Message: 1
Date: Tue, 14 Feb 2023 23:26:16 +0300
From: Serge Krashakov <sakr@itp.ac.ru>
To: staff@itp.ac.ru, students@itp.ac.ru, seminars@itp.ac.ru
Subject: Re: [Landau ITP Seminars] Friday 17.03.2023
Message-ID: <0d36fa87-c79e-8289-f885-e5c7bbd68ca7@itp.ac.ru>
Content-Type: text/plain; charset="utf-8"; Format="flowed"

Уважаемые коллеги!

На заседании Ученого совета в пятницу  17 февраля в 11:30 будет заслушан
доклад:

_М. А. Скворцов_, M. Amini, В. Е. Кравцов
*Параметрическая статистика в модели Розенцвейга-Портера*

Исследована параметрическая статистика в модели Розенцвейга-Портера,
гамильтониан которой является суммой гауссовой и диагональной случайных
матриц. С помощью нелинейной суперсимметричной сигма модели получено
аналитическое выражение для парных корреляционных функций глобальной и
локальной плотности состояний во фрактальной фазе в случае диагонального
изменения гамильтониана для унитарного ансамбля (класс симметрии А).
Случаи недиагонального возмущения гамильтониана и ортогональной
симметрии (класс AI) изучены путем численной диагонализации. Особое
внимание уделено исследованию поведения восприимчивости fidelity
собственных функций к параметру возмущения в различных фазах
(эргодической, фрактальной, локализованной).

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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