RECORD: They broke the SOUND BARRIER in SILENCE! (Impossible?) - On Se l'Demande #159 - Le JDE

Le Journal de l'Espace August 19, 2025
Video Thumbnail
Le Journal de l'Espace Logo

Le Journal de l'Espace

View Channel

About

Espace, astronomie, culture spatiale! Que vous soyez expert ou néophyte, simple amateur ou passionné, vous trouverez ici l’information nécessaire pour rester au courant des avancées marquantes de l’exploration spatiale, vulgarisée pour s’adapter au plus grand nombre, avec pour le Journal de l’Espace l’objectif avoué de vous garder la tête dans les étoiles.

Video Description

🌍 *Le décryptage des TECHNOLOGIES et DÉCOUVERTES de l'exploration spatiale en vidéo avec Quentin du Journal de l'Espace !* ------------------------- *Si vous souhaitez soutenir le Journal de l'Espace:* 👕 *La Boutique*................►https://shop.journal-espace.fr/ 😎 *Tipeee*.........................►https://fr.tipeee.com/le-journal-de-lespac ------------------------- 🌟 *Cette émission a été réalisée par:* 🌟 - *Rédaction* : Thomas Trapier - alouetteimage.com - *Montage* : Thomas Trapier - alouetteimage.com - *Voix* : Quentin Leicht ------------------------- 📰 *Au programme aujourd'hui:* - 00:00 - Un vol SUPERSONIQUE SANS BANG audible ? - 02:00 - Du mur du son franchi pour la 1ere fois au CONCORDE - 04:14 - A quoi ressemble le BANG SUPERSONIQUE ? - 07:21 - Un problème sonore IMMENSE pour les populations au sol - 09:12 - Pourquoi 2 Bangs supersoniques se succèdent-ils en général ? - 11:40 - Pourquoi un booster Falcon 9 fait-il 3 bangs ? - 13:59 - Réduire l'impact des ondes supersoniques sur les avions - 15:58 - Des appareils conçus pour contrer le bang supersonique (X-59 et XB-1) ------------------------- *RETROUVEZ MOI SUR:* 📲Le Blog....................►https://www.journal-espace.fr 🌟LinkedIn..................► https://www.linkedin.com/in/quentin-leicht-9a6b3115a/ 📷Instagram...............► https://www.instagram.com/journal.espace/ 🔥Twitter......................► https://twitter.com/journal_espace 💬Discord...................► https://discord.gg/TNP5MFkYD4 🚀Facebook................► https://www.facebook.com/Journal.Espace/ ------------------------- 🌍 *LE JDE*: Le Journal de l'Espace est une chaine d'information et de culture générale spatiale tout public, en passant par de la vulgarisation scientifique. L'actualité spatiale , l'émission originelle du Journal de l'Espace, vous est résumée tous les vendredis soir par Quentin, et des vidéos sous forme de documentaires vous apportent toujours plus de culture générale spatiale les lundis! Vous retrouverez aussi l'actualité de la Starbase de SpaceX tous les mercredi et samedi, à chaque fois, à 18h...et...vous n'etes pas à l'abri d'une nouvelle émission bientôt ! ------------------------- 🎼 *MUSIQUES* Scott Buckley - https://www.scottbuckley.com.au/ Utho Riley - https://uthoriley.com/ Sound Lapse: "City Walk" : https://soundcloud.com/sound-lapse lien: https://youtu.be/rBlOQTFFEKI Bensound.com "Evolution" : https://www.youtube.com/watch?v=LD6BeK2OtkE Carvine "Inspire Galactic" (accordé sous licence) : https://www.jamendo.com/track/1443024/inspire-galactic "Political Background" by MUSIC4VIDEO, no copyright. ------------------------- ▶️ *CREDITS et SOURCES* Toutes les images et animations sont créditées à l'écran. En cas de problème, contactez moi par email. All images and animations are credited on screen. In case of copyright issues, please contact me directly by email. Les sources plus générales: -Moteurs 3D: SpaceEngine, Universe Sandbox -Sources:NASA ESA CNES Jet Propulsion Lab, Nasa Goddard https://www.youtube.com/channel/UCSUu1lih2RifWkKtDOJdsBA -Google Earth -Le forum de la conquête spatiale : https://www.forum-conquete-spatiale.fr/forum

You May Also Like

Upgrade Your Everyday

AI-recommended products based on this video

Loading...
Amazon Echo Show 8 (newest model), With Spatial Audio, Smart Home Hub, and Alexa, Charcoal

Amazon Echo Show 8 (newest model), With Spatial Audio, Smart Home Hub, and Alexa, Charcoal

(21,817)
149.99
PrimeFREE delivery Saturday, June 14
9K+ bought in past month
Loading...
Apple AirPods 4 Wireless Earbuds, Bluetooth Headphones, with Active Noise Cancellation, Adaptive Audio, Transparency Mode, Personalized Spatial Audio, USB-C Charging Case, Wireless Charging, H2 Chip
Best Seller

Apple AirPods 4 Wireless Earbuds, Bluetooth Headphones, with Active Noise Cancellation, Adaptive Audio, Transparency Mode, Personalized Spatial Audio, USB-C Charging Case, Wireless Charging, H2 Chip

(26,751)
$118.98$114.22
FREE delivery Fri, Oct 17
10K+ bought in past month
Loading...
Wireless Earbuds, Bluetooth 5.4 Headphones, True Wireless Stereo Earphones with IPX7 Waterproof, Noise Cancelling Mic, Fast Charging and Comfort Fit Ear Buds for Sports/Workouts - Black

Wireless Earbuds, Bluetooth 5.4 Headphones, True Wireless Stereo Earphones with IPX7 Waterproof, Noise Cancelling Mic, Fast Charging and Comfort Fit Ear Buds for Sports/Workouts - Black

(1,741)
$19.99
FREE delivery Sun, Jun 22 on $35 of items shipped by Amazon
10K+ bought in past month
Loading...
Apple AirPods 4 Wireless Earbuds, Bluetooth Headphones, Personalized Spatial Audio, Sweat and Water Resistant, USB-C Charging Case, H2 Chip, Up to 30 Hours of Battery Life, Effortless Setup for iPhone
Best Seller

Apple AirPods 4 Wireless Earbuds, Bluetooth Headphones, Personalized Spatial Audio, Sweat and Water Resistant, USB-C Charging Case, H2 Chip, Up to 30 Hours of Battery Life, Effortless Setup for iPhone

(23,152)
$89.99$83.69
FREE delivery Thu, Sep 4
10K+ bought in past month
Loading...
Apple AirPods Pro 2 Wireless Earbuds, Active Noise Cancellation, Hearing Aid Feature, Bluetooth Headphones, Transparency, Personalized Spatial Audio, High-Fidelity Sound, H2 Chip, USB-C Charging

Apple AirPods Pro 2 Wireless Earbuds, Active Noise Cancellation, Hearing Aid Feature, Bluetooth Headphones, Transparency, Personalized Spatial Audio, High-Fidelity Sound, H2 Chip, USB-C Charging

(38,487)
$199.00$187.32
FREE delivery Fri, Oct 3
10K+ bought in past month
Loading...
Smart Watch for Men/Women, 1.95" AMOLED Fitness Tracker Watches with Bluetooth Calls/Flashlight/100+ Sport Modes Heart Rate/Sleep Monitor Ultra Lightweight Ultrathin Design

Smart Watch for Men/Women, 1.95" AMOLED Fitness Tracker Watches with Bluetooth Calls/Flashlight/100+ Sport Modes Heart Rate/Sleep Monitor Ultra Lightweight Ultrathin Design

(0)
17.99
PrimeFREE delivery Saturday, June 14 on orders shipped by Amazon over $35
Loading...
Smart Watch for Men Women (Answer/Make Call), 1.96" HD Smartwatch Fitness Activity Tracker, 110+ Sports IP68 Waterproof, Heart Rate/Sleep Monitor/Pedometer/Calories, Fitness Watch for Android iOS

Smart Watch for Men Women (Answer/Make Call), 1.96" HD Smartwatch Fitness Activity Tracker, 110+ Sports IP68 Waterproof, Heart Rate/Sleep Monitor/Pedometer/Calories, Fitness Watch for Android iOS

(550)
24.99
PrimeFREE delivery Saturday, June 14 on orders shipped by Amazon over $35
100+ bought in past month
Loading...
Apple Watch Series 10 [GPS 46mm case] Smartwatch with Rose Gold Aluminium Case with Light Blush Sport Band - M/L. Fitness Tracker, ECG App, Always-On Retina Display, Water Resistant
Best Seller

Apple Watch Series 10 [GPS 46mm case] Smartwatch with Rose Gold Aluminium Case with Light Blush Sport Band - M/L. Fitness Tracker, ECG App, Always-On Retina Display, Water Resistant

(7,994)
$329.00$296.10
FREE delivery Thu, Jul 3
1K+ bought in past month
Loading...
Apple Watch Series 10 [GPS 42mm case] Smartwatch with Jet Black Aluminium Case with Black Sport Band - S/M. Fitness Tracker, ECG App, Always-On Retina Display, Water Resistant
Best Seller

Apple Watch Series 10 [GPS 42mm case] Smartwatch with Jet Black Aluminium Case with Black Sport Band - S/M. Fitness Tracker, ECG App, Always-On Retina Display, Water Resistant

(7,993)
$299.00$269.10
FREE delivery Thu, Jul 3
8K+ bought in past month
Loading...
NOCO Boost GB40: 1000A UltraSafe Jump Starter – 12V Lithium Battery Booster Pack, Portable Jump Box, Power Bank & Jumper Cables - for 6.0L Gas and 3.0L Diesel Engines
Best Seller

NOCO Boost GB40: 1000A UltraSafe Jump Starter – 12V Lithium Battery Booster Pack, Portable Jump Box, Power Bank & Jumper Cables - for 6.0L Gas and 3.0L Diesel Engines

(117,789)
$99.95$75.43
FREE delivery Sun, Sep 21
30K+ bought in past month
Loading...
UGREEN Nexode Power Bank 20000mAh 130W Portable Charger 72Wh PD Fast Charging 3-Port USB C Battery Pack with TFT Smart Display for MacBook/iPad/iPhone 16/Samsung S24 and More

UGREEN Nexode Power Bank 20000mAh 130W Portable Charger 72Wh PD Fast Charging 3-Port USB C Battery Pack with TFT Smart Display for MacBook/iPad/iPhone 16/Samsung S24 and More

(1,903)
69.99
PrimeFREE delivery Saturday, June 14
500+ bought in past month
Loading...
ANKER 737 Power Bank, 24,000mAh 3-Port Laptop Portable Charger with 140W Fast Charging, Smart Display, for Outdoor Work, Compatible with iPhone 16/15/14 Series, Vision Pro, Samsung, MacBook, and More

ANKER 737 Power Bank, 24,000mAh 3-Port Laptop Portable Charger with 140W Fast Charging, Smart Display, for Outdoor Work, Compatible with iPhone 16/15/14 Series, Vision Pro, Samsung, MacBook, and More

(13,939)
109.99
FREE delivery Saturday, June 14
9K+ bought in past month
Loading...
VOLTME Portable Charger, Slim 10000mAh 5V/3A Power Bank, USB C in&Out High-Speed Charging Battery Pack, Travel Essentials Dual Output Compatible with iPhone 16 15 14 13 12 Samsung Google iPad etc

VOLTME Portable Charger, Slim 10000mAh 5V/3A Power Bank, USB C in&Out High-Speed Charging Battery Pack, Travel Essentials Dual Output Compatible with iPhone 16 15 14 13 12 Samsung Google iPad etc

(51)
19.99
PrimeFREE delivery Saturday, June 14 on orders shipped by Amazon over $35
Loading...
Apple AirPods 4 Wireless Earbuds, Bluetooth Headphones, with Active Noise Cancellation, Adaptive Audio, Transparency Mode, Personalized Spatial Audio, USB-C Charging Case, Wireless Charging, H2 Chip
Best Seller

Apple AirPods 4 Wireless Earbuds, Bluetooth Headphones, with Active Noise Cancellation, Adaptive Audio, Transparency Mode, Personalized Spatial Audio, USB-C Charging Case, Wireless Charging, H2 Chip

(26,751)
$118.98$114.22
FREE delivery Fri, Oct 17
10K+ bought in past month
Loading...
Apple AirPods 4 Wireless Earbuds, Bluetooth Headphones, Personalized Spatial Audio, Sweat and Water Resistant, USB-C Charging Case, H2 Chip, Up to 30 Hours of Battery Life, Effortless Setup for iPhone
Best Seller

Apple AirPods 4 Wireless Earbuds, Bluetooth Headphones, Personalized Spatial Audio, Sweat and Water Resistant, USB-C Charging Case, H2 Chip, Up to 30 Hours of Battery Life, Effortless Setup for iPhone

(23,152)
$89.99$83.69
FREE delivery Thu, Sep 4
10K+ bought in past month
Loading...
Apple AirPods Pro 2 Wireless Earbuds, Active Noise Cancellation, Hearing Aid Feature, Bluetooth Headphones, Transparency, Personalized Spatial Audio, High-Fidelity Sound, H2 Chip, USB-C Charging

Apple AirPods Pro 2 Wireless Earbuds, Active Noise Cancellation, Hearing Aid Feature, Bluetooth Headphones, Transparency, Personalized Spatial Audio, High-Fidelity Sound, H2 Chip, USB-C Charging

(38,487)
$199.00$187.32
FREE delivery Fri, Oct 3
10K+ bought in past month
Loading...
Bose QuietComfort Bluetooth Headphones, Wireless Headphones with Active Over Ear Noise Cancelling and Mic, Deep Bass, Up to 24 Hours of Playtime, White Smoke

Bose QuietComfort Bluetooth Headphones, Wireless Headphones with Active Over Ear Noise Cancelling and Mic, Deep Bass, Up to 24 Hours of Playtime, White Smoke

(10,961)
249.00
FREE delivery Wednesday, June 11.
1K+ bought in past month
Loading...
Barnyard Designs Indoor Herb Garden Planter Set with Tray, Metal Windowsill Plant Pots with Drainage for Outdoor or Indoor Plants, Set/3 (Black)

Barnyard Designs Indoor Herb Garden Planter Set with Tray, Metal Windowsill Plant Pots with Drainage for Outdoor or Indoor Plants, Set/3 (Black)

(3,684)
26.95
PrimeFREE delivery Saturday, June 14 on orders shipped by Amazon over $35
100+ bought in past month
Loading...
Eye Contact Web Camera for Desktop Computer – 1080P USB Camera with Microphone & Stand, Center Cam for Laptop or Desktop, Manual Focus, Plug & Play for macOS & Windows(Black)

Eye Contact Web Camera for Desktop Computer – 1080P USB Camera with Microphone & Stand, Center Cam for Laptop or Desktop, Manual Focus, Plug & Play for macOS & Windows(Black)

(96)
37.39
PrimeFREE delivery Saturday, June 14
100+ bought in past month
Loading...
PEHAEL 3+3Pack for iPhone 17 Pro Max Privacy Screen Protector with Camera Lens Protector Full Coverage Anti-Spy Tempered Glass Film 9H Hardness Easy Installation Bubble Free [6.9 inch]

PEHAEL 3+3Pack for iPhone 17 Pro Max Privacy Screen Protector with Camera Lens Protector Full Coverage Anti-Spy Tempered Glass Film 9H Hardness Easy Installation Bubble Free [6.9 inch]

(151,641)
$7.99$6.39
FREE delivery Mon, Sep 29 on $35 of items shipped by Amazon
New on Amazon in past month
Loading...
Ailun 3 Pack Screen Protector for iPhone 16 Pro Max [6.9 inch] + 3 Pack Camera Lens Protector with Installation Frame,Sensor Protection,Dynamic Island Compatible,Case Friendly Tempered Glass Film

Ailun 3 Pack Screen Protector for iPhone 16 Pro Max [6.9 inch] + 3 Pack Camera Lens Protector with Installation Frame,Sensor Protection,Dynamic Island Compatible,Case Friendly Tempered Glass Film

(362,029)
$7.63
FREE delivery Wed, Aug 20 on $35 of items shipped by Amazon
10K+ bought in past month
Loading...
2025 AI Portable Fan Rechargeable, 4 Speeds 6600RPM Strong Airflow, Personal Waist Fan with up to 25H of Working Time, Hands-Free Hanging Neck Fan, Wearable Belt Fan for Camping, Outdoor, Jobsite

2025 AI Portable Fan Rechargeable, 4 Speeds 6600RPM Strong Airflow, Personal Waist Fan with up to 25H of Working Time, Hands-Free Hanging Neck Fan, Wearable Belt Fan for Camping, Outdoor, Jobsite

(1,636)
$19.98
FREE delivery Thu, Jul 3 on $35 of items shipped by Amazon
40K+ bought in past month