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PIA17061-MSL-RAD-RadiationStudy-20130530.jpg

Наука · Photo

PIA17061-MSL-RAD-RadiationStudy-20130530.jpg

PIA17061: Calculating Radiation Dose for Biological Tissue http://photojournal.jpl.nasa.gov/catalog/PIA17061 The relationship between charged-particle radiation dose measured with silicon sensors and the dose that biological tissue would receive in the same setting is assessed as a function of how much energy the charged particles would deposit in water (which serves as a proxy for biological tissue). This graph shows the flux of energetic particles (vertical axis) as a function of the estimated energy deposited in water (horizontal axis). The term "dose equivalent," which is used to discuss health risk from radiation exposure, takes this relationship into account. A quality factor, Q, is used to convert measured dose to dose equivalent. The green line on this graph indicates the biological weighting function of how Q is related to how charged-particle radiation deposits energy in water. These factors have been used in the process of interpreting the ramifications for future human interplanetary missions from the measurements made by the Radiation Assessment Detector inside NASA's Mars Science Laboratory spacecraft during the spacecraft's travel from Earth to Mars in 2011 and 2012. Southwest Research Institute, in San Antonio, Texas, and Boulder, Colo., supplied and operates the RAD instrument in collaboration with Germany's national aerospace research center, Deutsches Zentrum für Luft- und Raumfahrt. NASA's Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, manages the Mars Science Laboratory Project and the mission's Curiosity rover for NASA's Science Mission Directorate in Washington. NASA's Jet Propulsion Laboratory, a division of the California Institute of Technology, Pasadena, manages the Mars Science Laboratory Project for NASA's Science Mission Directorate, Washington. JPL designed and built the rover. For more information about Curiosity and its mission, visit: http://www.nasa.gov/msl and http://mars.jpl.nasa.gov/msl .

Wikimedia Commons · Public domain · ♥ 0

Laboratory (3).jpg

Наука · Photo

Laboratory (3).jpg

Title Laboratory Description A laboratory apparatus for immunology research. These photographs are taken at Massachusetts Institute of Technology (MIT). Only the equipment is visible. Topics/Categories Science and Technology -- Laboratory Techniques/Equipment Type Color, Photo Source National Cancer Institute

Wikimedia Commons · Public domain · ♥ 0

Imaging the Orion Nebula at Mud Lake.webm

Космос · Video

Imaging the Orion Nebula at Mud Lake.webm

An 8" Ritchey–Chrétien telescope images panels of an Orion Nebula mosaic at Mud Lake Wildlife Area in Columbia County, Wisconsin, USA. The session is briefly interrupted by clouds.

Wikimedia Commons · CC BY 4.0 · ♥ 0

Conversatorio Astrónomas y científicas. Iluminando el universo contra la invisibiilización..webm

Космос · Video

Conversatorio Astrónomas y científicas. Iluminando el universo contra la invisibiilización..webm

En el marco de los Conversatorios que Cuarto Propio en Wikipedia organiza desde 2015 con el fin debatir y reflexionar en torno a cuestiones de interés feminista, en esta ocasión contamos con Marina Rodríguez Baras, Doctora en Astrofísica, investigadora del Observatorio Astronómico Nacional e integrante de la Comisión Mujeres y Astronomía de la Sociedad Española de Astronomía (SEA). Ella nos hablará de astrónomas y científicas, dándonos a conocer a muchas de ellas y el contexto en el que desarrollan su trabajo. Mas información: - Estudio de la brecha salarial de género en las universidades públicas españolas (ANECA, CRUE): https://www.aneca.es/-/el-ministerio-de-universidades-aneca-y-crue-igualdad-presentaron-el-13-de-junio-el-informe-brecha-salarial-de-g%C3%A9nero-en-las-universidades-p%C3%BAblicas-espa%C3%B1olas./ - Estadísticas comparables a nivel europeo sobre la igualdad de género en la investigación y la innovación (Comisión Europea): https://research-and-innovation.ec.europa.eu/knowledge-publications-tools-and-data/interactive-reports_en - Participación de las científicas como fuentes expertas en los medios: motivaciones y obstáculos (Ministerio de Ciencia, Innovación y Universidades): https://www.fecyt.es/publicaciones/participacion-de-las-cientificas-como-fuentes-expertas-en-los-medios-motivaciones-y/ - Radiografía de la brecha de género en la formación STEAM. Un estudio en detalle de la trayectoria educativa de niñas y mujeres en España (Ministerio de Educación, Formación Profesional y Deportes): https://www.libreria.educacion.gob.es/libro/radiografia-de-la-brecha-de-genero-en-la-formacion-steam-un-estudio-en-detalle-de-la-trayectoria-educativa-de-ninas-y-mujeres-en-espana_173513/

Wikimedia Commons · CC BY 3.0 · ♥ 0

Imaging with an RC at York Prairie.webm

Космос · Video

Imaging with an RC at York Prairie.webm

An 8" Ritchey–Chrétien telescope on a strain wave mount and equipped with a monochrome camera and filter wheel tracks the Pleiades and the Orion Nebula under dark skies in York Prairie, WI, USA. At the start of the time lapse, the rig is imaging the last three panels of a 12-panel mosaic of the Pleiades. The mount then slews to home position, awaiting further instructions, and then slews to the Orion Nebula. The camera position is adjusted so that Orion moves into the frame, and the rig images two panels of the Orion Nebula before the time lapse ends. Although the mount was set to dither at set intervals, each visible mount motion corresponds to a switch between panels.

Wikimedia Commons · CC BY 4.0 · ♥ 0

Using Infrared to Survey Our Galaxy’s Far Side (SVS14521 Galactic Plane Infrared good).webm

Космос · Video

Using Infrared to Survey Our Galaxy’s Far Side (SVS14521 Galactic Plane Infrared good).webm

Observatories with smaller views of space have provided exquisite images of other galaxies, revealing complex structures. But studying our own galaxy’s anatomy is surprisingly difficult. The plane of the Milky Way covers such a large area on the sky that studying it in detail can take a very long time. Astronomers also must peer through thick dust that obscures distant starlight. Infrared light can pass through that dust and is a key tool for learning about the far side of our galaxy.Credit: NASA's Goddard Space Flight CenterMusic: "Time Shift Equalibrium" from Universal Production MusicWatch this video on the NASA Goddard YouTube channel.Complete transcript available.

Wikimedia Commons · Public domain · ♥ 0

Fermi Mission Detects Surprising Gamma-Ray Feature Beyond Our Galaxy (SVS14476 - Dipole Overlay 1080).webm

Космос · Video

Fermi Mission Detects Surprising Gamma-Ray Feature Beyond Our Galaxy (SVS14476 - Dipole Overlay 1080).webm

Top: An all-sky map of extragalactic gamma rays in which the central plane of our galaxy, shown in dark blue where data has been removed, runs across the middle. The red dot and circles indicate the approximate direction from which more gamma rays than average seem to be arriving. Bottom: A similar all-sky map showing the distribution of ultrahigh-energy cosmic rays detected by the Pierre Auger Observatory in Argentina. Red indicates directions from which greater than average numbers of particles arrive, blue indicates directions with fewer than average. This video superposes the Fermi map onto the cosmic ray map, illustrating the similarity of the dipole directions. Credit: Kashlinsky et al. 2024 and the Pierre Auger Collaboration

Wikimedia Commons · Public domain · ♥ 0

I Tested Every Camera MOD for Astrophotography.webm

Космос · Video

I Tested Every Camera MOD for Astrophotography.webm

Want more Ha? You will want to modify your DSLR, but which mod is the one for you? Watch this video, then check out AstroGear when ready to pull the trigger on your next mod: https://www.astrogear.net/?ref=nebulaphotos This video only compares Canon cameras, but next week I will be covering: Canon vs. Nikon!

Wikimedia Commons · CC BY 3.0 · ♥ 0

What Is Redshift- - Astronomic.webm

Космос · Video

What Is Redshift- - Astronomic.webm

Support ASTRONOMIC: https://www.patreon.com/Astronomic PayPal Donations: astronomicmedia@gmail.com Subscribe to ASTRONOMIC: https://www.youtube.com/astronomic1 Twitter: https://www.twitter.com/astronomic1 Instagram: https://www.instragram.com/astronomic1 Facebook: https://www.facebook.com/astronomicbook Exclusive Content: https://www.curious.com/astronomic Hello Everyone! Welcome to OUR Universe! If you've enjoyed the video... click the LIKE button! If you want to support the channel... click the SUBSCRIBE button! TITLE: What Is Redshift? LINKS: 1. Redshift (Wiki) https://en.m.wikipedia.org/wiki/Redshift 2. Calculating Redshift (Hyperphysics) http://hyperphysics.phy-astr.gsu.edu/hbase/Astro/redshf.html 3. The Expanding Universe (BBC Bitesize) http://www.bbc.co.uk/education/guides/zphppv4/revision/2 OTHER VIDEOS: 1. How BIG Is The Milky Way? https://www.youtube.com/watch?v=5XTx1Qer9tk 2. How Many Planets Are In The Milky Way? https://www.youtube.com/watch?v=d9x9RRc0RoU 3. Can Black Holes Stop Time?! https://www.youtube.com/watch?v=ZFnUAFCffXE Thanks for Watching! Twitter: https://www.twitter.com/astronomic1 Instagram: https://www.instragram.com/astronomic1 Facebook: https://www.facebook.com/astronomicbook Exclusive Content: https://www.curious.com/astronomic Support ASTRONOMIC:

Wikimedia Commons · CC BY 3.0 · ♥ 0

Cancri 55 e- Climate Patterns on a Lava World.webm

Космос · Video

Cancri 55 e- Climate Patterns on a Lava World.webm

This illustration video shows one possible scenario for the hot, rocky exoplanet called 55 Cancri e, which is nearly two times as wide as Earth. Image credit: NASA/JPL-Caltech

Wikimedia Commons · CC BY 3.0 · ♥ 0

SOFIA - the largest airborne observatory in the world.webm

Космос · Video

SOFIA - the largest airborne observatory in the world.webm

The Stratospheric Observatory for Infrared Astronomy (SOFIA) is a joint German-US space science project. Carrying a 2.5-metre telescope inside a modified Boeing 747SP, the airborne observatory performs astronomical observations in the infrared and submillimetre wavelengths, high above the disturbance of Earth's atmosphere. The scientific objective is to understand the development of galaxies and the formation and evolution of stars and planetary systems from interstellar clouds of gas and dust. dlr.de/en/sofia DEUTSCH: Das Stratosphären-Observatorium für Infrarot-Astronomie (SOFIA) ist ein gemeinsames deutsch-amerikanisches Vorhaben zur Erforschung des Weltalls. Mit dem in eine modifizierte Boeing 747SP integrierten 2,7 Meter-Teleskop werden astronomische Beobachtungen im Infrarot- und Submillimeter-Wellenlängenbereich weitgehend oberhalb der störenden irdischen Lufthülle durchgeführt. Schwerpunkt der wissenschaftlichen Zielsetzung ist die Erforschung der Entwicklung von Milchstraßensystemen sowie die Entstehung und Entwicklung von Sternen und Sonnensystemen aus interstellaren Molekül- und Staubwolken. Blog: dlr.de/blogs/home/sofia/Dokumentation-Die-fliegende-Sternwarte-SOFIA-948.aspx Sonderseite SOFIA dlr.de/sofia

Wikimedia Commons · CC BY 3.0 · ♥ 0

Starry sky with North Star circled.webm

Космос · Video

Starry sky with North Star circled.webm

Time-lapse of the night sky and stars revolving around the celestial North Pole. Filmed in Petit-Croix, northeastern France. The original video lasts about 1.4 seconds, so here it has been repeated eight times to give a total length of about 11 seconds and make it easier to see the effect. In addition, the North Star has been circled in red to highlight how the other stars seem to revolve around it.

Wikimedia Commons · CC BY 3.0 · ♥ 0

Открытие центра развития физической культуры в Макеевке. 17.12.2020, "Панорама".webm

Спорт · Video

Открытие центра развития физической культуры в Макеевке. 17.12.2020, "Панорама".webm

В Макеевке открыли центр развития физической культуры. Базируется он в здании бывшего детского сада, который не работал около двадцати лет. Сейчас там уже работает секция дзюдо, планируется открытие ещё нескольких площадок по другим дисциплинам.

Wikimedia Commons · CC BY 3.0 · ♥ 0

В одной команде.webm

Спорт · Video

В одной команде.webm

Физкультурно оздоровительный комплекс на воронке славится тренерским составом, в который не так давно влился новый наставник по футболу. Чем он интересен, от...

Wikimedia Commons · CC BY 3.0 · ♥ 0

Космическая верста.webm

Спорт · Video

Космическая верста.webm

В Универсальном спортивном комплексе «Подмосковье» в минувшую субботу состоялись ежегодные соревнования по бегу под названием «Космическая верста». Мероприят...

Wikimedia Commons · CC BY 3.0 · ♥ 0

ПЕРЕД ЧЕМПИОНАТОМ.webm

Спорт · Video

ПЕРЕД ЧЕМПИОНАТОМ.webm

Чемпионат и первенство Европы по мотоболу планируется провести в Видном в начале августа. Подготовка уже идет полным ходом. Глава Ленинского городского округ...

Wikimedia Commons · CC BY 3.0 · ♥ 0