Holger Voss (@spaceholgar) 's Twitter Profile
Holger Voss

@spaceholgar

Space geek, Model rocketeer working for @RocketryKlima, Space & STE(A)M educator, Astrophysicist worked for #ESA #GaiaMission, #MoonDot Mission Director

ID: 1617082586

linkhttp://drrocket1.wordpress.com calendar_today24-07-2013 06:58:13

28,28K Tweet

5,5K Followers

4,4K Following

American Rocketry Challenge (@rocketcontest) 's Twitter Profile Photo

The big day is here! Today, 100 of the top rocketry teams from across the U.S. are in The Plains, VA competing at the American Rocketry Challenge National Finals. These teams have worked hard all year, and now it’s time to see their rockets soar! Who will be the next National

Holger Voss (@spaceholgar) 's Twitter Profile Photo

Very soon on this channel: the world premiere of our new #spaceship for suborbital flights - presented by my mini ESA #astronauts Altaira & MiniAstroAmelie from the #MoonDot universe! What's your very first impression European Space Agency, Paxi & PLAYMOBIL ? #STEMEd #STEAM

Very soon on this channel: the world premiere of our new #spaceship for suborbital flights - presented by my mini ESA #astronauts <a href="/JrAstronautin/">Altaira</a> &amp; <a href="/MiniAstroAmelie/">MiniAstroAmelie</a>  from the #MoonDot universe! What's your very first impression <a href="/esa/">European Space Agency</a>, <a href="/Paxi_ESAKids/">Paxi</a> &amp; <a href="/playmobil/">PLAYMOBIL</a>  ?
#STEMEd  #STEAM
Estes Rockets (@estesrockets) 's Twitter Profile Photo

🚀 That’s a Wrap on the 2025 American Rocketry Challenge! Huge congratulations to all the finalists, mentors, and volunteers who made the event unforgettable. Your hard work and love for rocketry inspire us all. Stay tuned—If you missed this year there is always next year!

🚀 That’s a Wrap on the 2025 American Rocketry Challenge!
Huge congratulations to all the finalists, mentors, and volunteers who made the event unforgettable. Your hard work and love for rocketry inspire us all.

Stay tuned—If you missed this year there is always next year!
Holger Voss (@spaceholgar) 's Twitter Profile Photo

🇩🇪 Bin erst jetzt dazu gekommen mir diesen interessanten #Starship-Flug anzuschauen! Da bleiben leider mehr Fragen als Antworten über! Ist das ganze System eventuell zu groß und zu ambitioniert - und deshalb zu undicht? #SpaceX #IFT9 #Artemis

European Space Agency (@esa) 's Twitter Profile Photo

🎉 #50YearsOfESA: for half a century, we've been serving Europe as its space agency and inspiring its citizens. Join us this anniversary year to reflect not only on our past achievements, but also on our future perspectives!

MiniAstroAmelie (@miniastroamelie) 's Twitter Profile Photo

🇩🇪 Willkommen zur Vorstellung unserer neuen #CNyx-Kapsel inspiriert von der #Nyx-Kapsel der #TheExplorationCompany für suborbitale Flüge von uns Mini-#Astronauten des #MoonDot-Programms. Wir werden in dieser Kapsel für #Kids starten, um sie für #Weltraum-Forschung zu begeistern !

🇩🇪 Willkommen zur Vorstellung unserer neuen #CNyx-Kapsel inspiriert von der #Nyx-Kapsel der #TheExplorationCompany für suborbitale Flüge von uns Mini-#Astronauten des #MoonDot-Programms. Wir werden in dieser Kapsel für #Kids starten, um sie für #Weltraum-Forschung zu begeistern !
MiniAstroAmelie (@miniastroamelie) 's Twitter Profile Photo

... diese #CNyx-Kapsel werden wir bald mit einer neuen #Rakete von Model Rocketry Klima für Tests starten, und dann beim #ESASpaceCamp der ESA auf Deutsch, dem Ferienfest auf dem Spaceport Bavaria (ex spaceport BER) ... #MINT #minilaunchers 🚀

... diese #CNyx-Kapsel werden wir bald mit einer neuen #Rakete von <a href="/RocketryKlima/">Model Rocketry Klima</a> für Tests starten, und dann beim #ESASpaceCamp der <a href="/ESA_de/">ESA auf Deutsch</a>, dem Ferienfest auf dem <a href="/SpaceportBayern/">Spaceport Bavaria (ex spaceport BER)</a> ...
#MINT #minilaunchers 🚀
ESA Operations (@esaoperations) 's Twitter Profile Photo

ESA's first mission to Mars launched 22 years ago today! 🎂 Mars Express is still going strong at the Red Planet and continues to receive software patches that could extend its life for years to come. esa.int/Enabling_Suppo…

ESA's first mission to Mars launched 22 years ago today! 🎂 

Mars Express is still going strong at the Red Planet and continues to receive software patches that could extend its life for years to come.

esa.int/Enabling_Suppo…
NASA's Exploration Ground Systems (@nasagroundsys) 's Twitter Profile Photo

Pumped up! ⛽ Teams with Exploration Ground Systems ready Orion Spacecraft for stacking atop the Artemis II NASA_SLS rocket by fueling the service module, provided by European Space Agency. To complete this operation, teams stationed in the Launch Control Center oversee and direct fueling

Pumped up! ⛽ 

Teams with Exploration Ground Systems ready <a href="/NASA_Orion/">Orion Spacecraft</a> for stacking atop the Artemis II <a href="/NASA_SLS/">NASA_SLS</a> rocket by fueling the service module, provided by <a href="/esa/">European Space Agency</a>. To complete this operation, teams stationed in the Launch Control Center oversee and direct fueling
MiniAstroAmelie (@miniastroamelie) 's Twitter Profile Photo

🇩🇪 Heute stellen wir nach der Präsentation unserer #CNyx-Raumkapsel auch die dazugehörige wiederverwendbare Trägerrakete vor - die 2-stufige #FeNyx-#Rakete entwickelt in Zusammenarbeit mit Model Rocketry Klima ! Wie gefällt Euch diese Rakete denn so? #MINT #minilaunchers 🚀 #ESA

🇩🇪 Heute stellen wir nach der Präsentation unserer #CNyx-Raumkapsel auch die dazugehörige wiederverwendbare Trägerrakete vor - die 2-stufige #FeNyx-#Rakete entwickelt in Zusammenarbeit mit <a href="/RocketryKlima/">Model Rocketry Klima</a> ! Wie gefällt Euch diese Rakete  denn so? 
#MINT #minilaunchers 🚀  #ESA
Airbus Space (@airbusspace) 's Twitter Profile Photo

The next gen weather & climate satellite MetOp-SG-A1 just left our cleanroom heading to the European Space Port in Kourou for its upcoming launch in August 2025 on board an Ariane 6 rocket. The MetOp Second Generation-A1 satellite, built by Airbus for EUMETSAT will help deliver

Altaira (@jrastronautin) 's Twitter Profile Photo

We are proudly presenting our new launcher called #FeNyx that we have developed together with Model Rocketry Klima ! This launcher is our new #rocket for suborbital missions we will fly to inspire kids at Spaceport Bavaria (ex spaceport BER), #ESASpaceCamp ... #STEMEd #STEAM #ESA #minilaunchers 🚀 #CNyx

We are proudly presenting our new launcher called #FeNyx that we have developed together with <a href="/RocketryKlima/">Model Rocketry Klima</a> ! This launcher is our new #rocket for suborbital missions we will fly to inspire kids at <a href="/SpaceportBayern/">Spaceport Bavaria (ex spaceport BER)</a>, #ESASpaceCamp ...
#STEMEd #STEAM #ESA #minilaunchers 🚀  #CNyx
Altaira (@jrastronautin) 's Twitter Profile Photo

... soon we will mount the new #CNyx #spaceship on top of the #FeNyx launcher, and prepare the system for the first test flight from Spaceport Bavaria (ex spaceport BER) ! Will any of us mini #astronauts be on board? #STEAM #STEMEd #ESA #minilaunchers 🚀 #MoonDot

... soon we will mount the new #CNyx #spaceship on top of the #FeNyx launcher, and prepare the system for the first test flight from <a href="/SpaceportBayern/">Spaceport Bavaria (ex spaceport BER)</a> ! 
Will any of us mini #astronauts be on board? 
#STEAM #STEMEd #ESA #minilaunchers 🚀 #MoonDot
Human Spaceflight (@esaspaceflight) 's Twitter Profile Photo

⏰ The countdown continues—just one more day until Sławosz Uznański-Wiśniewski will lift off with the #Ax4 crew! 🚀 In the meantime, why not dive into his inspiring journey to space? 🎧 Check out these two #ESAExplores podcast episodes: 🎙️ When it all began: podbean.com/ew/pb-vzgp3-16… 🎙️

⏰ The countdown continues—just one more day until <a href="/astro_slawosz/">Sławosz Uznański-Wiśniewski</a> will lift off with the #Ax4 crew! 🚀

In the meantime, why not dive into his inspiring journey to space? 🎧

Check out these two #ESAExplores podcast episodes:

🎙️ When it all began: podbean.com/ew/pb-vzgp3-16…
🎙️
DutchSpace (@dutchspace) 's Twitter Profile Photo

Updated artist's view of Vega-C, Vega-C Block II (with the new P160 first stage and fairing) and Vega-E source: ESA - D. Ducros

Updated artist's view of Vega-C, Vega-C Block II (with the new P160 first stage and fairing) and Vega-E 

source: ESA - D. Ducros
Arianespace (@arianespace) 's Twitter Profile Photo

🎆 Happy 50th Anniversary to European Space Agency! At #Arianespace, we are proud to celebrate 50 years of close cooperation with ESA, a strategic and long-standing industrial partnership that has been instrumental in building a strong, united, and sovereign European space sector.