🚀 LES FUSEES AMERICAINES – PARTIE 2 🚀

Partie 1 : https://www.youtube.com/watch?v=3_bMLYXOTa8

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Suite et fin de l’histoire des fusĂ©es amĂ©ricaines. C’est le bordel.

Liens supp : (en anglais majoritairement)
http://www.ejectionsite.com/gemini.htm
https://historicspacecraft.com/
http://www.astronautix.com/t/titan.html
http://www.astronautix.com/d/delta.html
http://www.astronautix.com/a/atlas.html
http://www.spaceflightinsider.com/hangar/antares/
https://www.blueorigin.com/new-shepard

En français
https://www.capcomespace.net/dossiers/espace_US/mercury/lanceur/redstone.htm
(et tout le reste du dossier de Capcom sur les fusées américaines)
http://max.q.pagesperso-orange.fr/apollo/vaisseaux/sat1b.htm
https://lanceurs.destination-orbite.net/pegasus.php

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[LIVE] Lancement DELTA IV HEAVY – Parker Solar Probe

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Lancement à 9h31 heure française.

DĂ©but du live Ă  9h.

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[LIVE] Lancement Delta IV Heavy – Parker Solar Probe commentĂ© fr

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Lancement en direct de la Delta IV Heavy qui va lancer vers le soleil la sonde Parker Solar Probe de la NASA

Lancement à 9h heure française, une heure aprÚs le début du live

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Horizons mission – preparing for a spacewalk

Known to the crew as an EVA (extravehicular activity), each spacewalk provides a valuable opportunity to carry out repairs, test new equipment and even perform science experiments beyond the confines of a spacecraft. Exiting the International Space Station however, brings heightened risk and activities are planned down to the minute.

In this clip, ESA astronaut Alexander Gerst and NASA astronaut Serena Auñón-Chancellor help NASA astronauts Feustel and Ricky Arnold prepare to step out into space for EVA 51.

This spacewalk occurred on 14 June, 2018 – during Alexander Gerst’s Horizons mission.

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JWST: a beacon for science

Astronomers all over the world are eagerly awaiting the launch of the James Webb Space Telescope. The infrared space telescope, which will carry the largest astronomical mirror ever flown in space is one of the most complex observatories ever built. It will allow unprecedented science, including investigations into the atmospheres of exoplanets and the formation of galaxies, addressing fundamental questions in astronomy. The mission is an international collaboration between NASA, ESA and the Canadian Space Agency, and is planned for launch in 2021 on a European Ariane 5 rocket.

Learn more about the JWST: http://bit.ly/ESAJWST

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A la recherche de la vie dans l’univers: les exoplanĂštes habitables – Astro’StylĂ© #08 -String Theory

Et si on partait en vacances sur une exoplanĂšte du systĂšme Trappist 1: un des meilleurs candidats pour la recherche de la vie dans l’univers.
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String Theory c’est le rendez-vous hebdo de la science pop !
Tous les jeudis à 18h , retrouvez une vidéo inédite de vos Youtubeurs science préférés sur String Theory !

CREDITS

© EFFERVESCENCE LABEL ©STRING THEORY

Shaking Orion’s solar wings

Testing the solar wings of the European service module that will provide power, water, air and electricity to NASA’s Orion Moon module.

The solar arrays Orion will use to produce electricity are tested at ESA’s technical heart in the Netherlands. Folded for launch, the fragile solar panels need to survive the rumbling into space aboard the most powerful rocket ever built, NASA’s Space Launch System.
Orion’s solar panels will be folded inside the rocket fairing on the first leg of the trip around the Moon. Once released from the rocket they will unfold and rotate towards the Sun to start delivering power.
To make sure the solar panels will work after the intense launch, ESA engineers are putting them through rigorous tests that exceed what they will experience on launch day. This includes vibrating them on a shaking table and placing them in front of enormous speakers that recreate the harsh launch conditions.

Orion will eventually fly beyond the Moon with astronauts, the first time a spacecraft will support humans with European hardware will also be the farthest humans ever travel from Earth. The first mission – without astronauts – is getting ready for launch in 2019.

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Quel lien y-a-t- il entre Mars et la BiĂšre ? #26- String Theory

Aujourd’hui Florence nous raconte comment les recherches sur les futures missions humaines sur Mars peuvent nous offrir de meilleures biĂšres.
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String Theory c’est le rendez-vous hebdo de la science pop !
Tous les jeudis à 18h , retrouvez une vidéo inédite de vos Youtubeurs science préférés sur String Theory !

Relu et validé par Romain Minviole, ingénieur en électronique

CREDITS

Ecrit et interprĂ©tĂ©e par Florence Porcel https://www.youtube.com/channel/UC9Ha…

RĂ©alisateur : Victor Bocquillon

Chef Opérateur: Mathieu Pichon

Charte Graphique : Sophie Cressot

Montage : Djimili Dimou

Graphisme : Sophie Cressot

Moyens techniques de tournage : Videology

Moyens techniques de post-production : String Theory

STRING THEORY Produit par : Simone Harari Baulieu et Laurent Robert Thibierge

Producteur Exécutif : Cyril Pennec

Directrice de production : Judith Naudet-Baulieu

Administration : Emmanuelle Le Roy Poncet / Stéphane Larquemin / Joséphine Deuil

Effervescence : Marie Djoudi /David Merceron

Community Management : Simon Saulay / Camille Colin / Silicon Carne

UNE PRODUCTION STRING THEORY avec le soutien du Centre national du cinĂ©ma et de l’image animĂ©e

ISAN 0000-0004-C408-0003-X-0000-0000-C

© EFFERVESCENCE LABEL ©STRING THEORY

🚀 LES FUSEES AMERICAINES – PARTIE 1 🚀

Abonnez-vous! https://www.youtube.com/StardustLaChaine?sub_confirmation=1

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Retour sur les dĂ©buts de la conception des fusĂ©es amĂ©ricaines avec Robert Goddard et l’apport de Wernher Von Braun.

Liens supp : (en anglais majoritairement)
https://www.nasa.gov/centers/goddard/about/history/dr_goddard.html
https://www.nasa.gov/missions/research/f_goddard.html
https://www.nasa.gov/feature/60-years-ago-vanguard-fails-to-reach-orbit
https://fr.wikipedia.org/wiki/Centre_de_lancement_de_White_Sands
http://perspective.usherbrooke.ca/bilan/servlet/BMEve?codeEve=1510&langue=fr
https://www.nasa.gov/vision/universe/features/james_van_allen.html

Livres recommandés : (en anglais)
https://amzn.to/2NeHj9J
https://amzn.to/2NidDbQ
https://amzn.to/2z1OdvW

Avec les voix de Gydias, Astronogeek et Hugo Lisoir

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Horizons mission – Soyuz: launch to orbit

This unique video shows a full launch of the Soyuz MS-09: from liftoff to orbit.

Watch the launch from inside the crew capsule with first-ever shots from outside the spacecraft recorded by cameras fixed to the exterior of the Soyuz.

The intense launch lasts less than ten minutes whereby the Soyuz spacecraft is propelled 1640 km and gains 210 km altitude. Every second for nine minutes, the spacecraft accelerates 50 km/h on average as the rocket’s boosters burn their fuel and are discarded.
See the astronaut’s reactions and what the spacecraft looks like as the main steps are carried out to get into orbit:

-00:12 Launch command issued
-00:10 Engine turbopumps at flight speed
-00:05 Engines at maximum thrust
00:00 Launch
+1:54 Separation of emergency rescue system
+1:57 First stage separation
+2:38 Fairing separation
+4:48 Second stage separation
+4:58 Tail adapter separation
+8:45 Third stage engine cut off having arrived in orbit
+8:49 Soyuz separation, deploy solar arrays and antennae

The astronauts, from left to right, are NASA astronaut Serena Auñón-Chancellor, Roscosmos commander Sergei Prokopyev and ESA astronaut and flight engineer Alexander Gerst launched in the Soyuz MS-09 spacecraft from the Baikonur cosmodrome in Kazakhstan to the International Space Station on 6 June 2018. ESA astronaut Matthias Maurer and ESA television host Richard Hollingham provide commentary taken from the live event.

Hunched in their Sokol flight suits that offer protection in case of fire or depressurisation, the trio stay in the crew capsule of the Soyuz – the only module that is also designed to survive a return to Earth. The bags above their heads contain supplies for the International Space Station as every bit of space is used.

During a Soyuz launch astronauts typically experience forces of up to 4g – having to work while being pressed into their seats with a force that is four times more than the gravity felt on Earth. The Soyuz commander uses a stick to press buttons as they are too far away from the control panel.

The fluffy toys above the astronauts’ heads are mascots and good luck charms but also serve as a simple but effective test to see when the spacecraft is in orbit: when they start to float the spacecraft is weightless and orbiting Earth. Above Sergei is the mascot for the 2018 FIFA soccer World Cup held in Russia. Alexander took German children television icon “Die Maus” with him.

The launch went as planned as the 50-m tall Soyuz rocket propelled the astronauts to their cruising speed of around 28 800 km/h.
For this launch the astronauts took 34 orbits of Earth over two days to arrive at their destination spending their time in the cramped orbital module of the Soyuz that is no larger than a car. With limited communications and living space the astronauts had time to adapt to weightlessness and reflect on their mission ahead. They aligned their spacecraft with the International Space Station and approached the orbital outpost for docking on 8 June 2018. The files for this video were downloaded by the astronauts after arriving at the Space Station.

Alexander is a returning visitor to the International Space Station, the first of ESA’s 2009 class of astronauts to be sent into space for a second time. During the second part of his mission Alexander will take over as commander of the International Space Station, only the second time an ESA astronaut will take on this role so far.

Credits: ESA / NASA / Roscosmos

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Follow Alexander and the Horizons mission on social media via http://bit.ly/AlexanderGerstESA and on http://bit.ly/HorizonsBlogESA.