Author Topic: SpaceX F9/Crew Dragon : Axiom AX-2 : KSC LC-39A : 21 May 2023 (21:37 UTC)  (Read 246718 times)

Offline FutureSpaceTourist

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https://twitter.com/axiom_space/status/1663920855984795649

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Commander Peggy Whitson added to her record for a total of 674 days in space, more than any other American astronaut! #Ax2

https://twitter.com/axiom_space/status/1663925835546480641

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The mission marked the realization of a lifelong dream for #Ax2 Pilot John Shoffner. He participated in technology demonstrations, scientific research, while also proving the importance of following one's passions.

Offline FutureSpaceTourist

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https://twitter.com/axiom_space/status/1663931839960973315

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#Ax2 Mission Specialist Ali Alqarni made history as the second Saudi male astronaut and one of the first Saudi astronauts to visit the International Space Station.

https://twitter.com/axiom_space/status/1663935937984823297

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Rayyanah Barnawi, #Ax2 Mission Specialist, marked the 600th person to orbit the Earth!
She made history as the first Arab women on the ISS.
« Last Edit: 05/31/2023 04:06 pm by FutureSpaceTourist »

Online launchwatcher

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Someone can correct me if wrong but the sonic booms occur when the object decreases speed to below the speed of sound.   
This is incorrect.

Objects moving faster than the speed of sound in air generate a moving cone of shock waves.  Imagine the bow wave of a ship, but rotated around the direction of travel into a 3-d cone.

You hear a sonic boom when the surface of the cone passes through your location.

Depending on the shape of the object there may be multiple shock fronts (so multiple bangs).



Offline FutureSpaceTourist

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https://www.wmfe.org/podcast/are-we-there-yet/2023-05-30/private-space-station-astronaut-john-shoffner-speaks-with-wmfe-from-orbit

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Private space station astronaut John Shoffner speaks with WMFE from orbit
By Brendan Byrne

Published May 30, 2023 at 1:32 PM EDT
 
LISTEN • 28:00

Private astronaut John Shoffner speaks with WMFE while onboard the International Space Station
Halfway through his planned 10-day mission to the International Space Station, Ax-2 mission pilot John Shoffner spoke with WMFE's Brendan Byrne from the International Space Station.


Offline FutureSpaceTourist

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https://twitter.com/axiom_space/status/1663983827436335104

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A warm welcome awaited the first-time space fliers as they arrived in Houston! #Ax2

Offline Michael S

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Someone can correct me if wrong but the sonic booms occur when the object decreases speed to below the speed of sound.   
This is incorrect.

Objects moving faster than the speed of sound in air generate a moving cone of shock waves.  Imagine the bow wave of a ship, but rotated around the direction of travel into a 3-d cone.

You hear a sonic boom when the surface of the cone passes through your location.

Depending on the shape of the object there may be multiple shock fronts (so multiple bangs).

So, you are saying that even a simple blunt body (gumdrop) may have a double sonic boom, if it is angled to change its direction, because of its asymmetry?

Offline FutureSpaceTourist

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Photos from NASA Johnson flickr

Offline FutureSpaceTourist

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https://www.axiomspace.com/news/category/Ax-2+Mission

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May 31, 2023
Axiom Space to Hold All-Crew Press Conference Following Ax-2 Mission to Space Station
Ax-2 Mission

After returning to Earth from a 10-day mission in space, the astronauts of the Axiom Mission 2 (Ax-2) will participate in a press conference to share their experience and highlight the work conducted during the second all-private astronaut mission to the International Space Station (ISS).[BI1] [BI2]  The press conference will take place on June 1, 2023, at 3:00 p.m. CDT and will be live streamed on Axiom Space’s website.

The Ax-2 crew includes Axiom Space’s Director of Human Spaceflight and Commander Peggy Whitson, a former NASA astronaut, Pilot John Shoffner, and Mission Specialists Ali Alqarni and Rayyanah Barnawi, from the Saudi Space Commission (SSC). Both are members of the inaugural Saudi national astronaut class. 

During their time on the orbiting laboratory, the Ax-2 astronauts successfully executed over 20 STEAM outreach engagements and over 20 different microgravity science experiments, as well as eight media events. The SpaceX Dragon spacecraft returned to Earth with more than 300 pounds of cargo and critical data that will impact understanding of human physiology on- and off-planet, as well as establish the utility of novel technologies that could be used for future human spaceflight pursuits and benefit humankind on Earth.

The Ax-2 crew returned to Earth on May 30, 2023, at 10:04 p.m. CDT, in a parachute-assisted splashdown in SpaceX’s Dragon Freedom spacecraft off the coast of Florida. After returning to shore, the astronauts flew back to Houston where they were greeted by their families and colleagues, many of whom joined them at launch on Sunday, May 21 at NASA’s Kennedy Space Center.

Ax-2 is the second of several proposed Axiom Space missions to the ISS and an important step along the journey toward Axiom Station, the world’s first commercial space station, which will serve as a hub in low-Earth orbit for research and exploration. 

AX-2 CREW POST-RETURN PRESS CONFERENCE
June 1, 2023, at 3:00 CDT
Virtual press conference via Zoom

Participants include:

Peggy Whitson, Ax-2 commander
John Shoffner, Ax-2 pilot
Ali AlQarni, Ax-2 mission specialist
Rayyanah Barnawi, Ax-2 mission specialist

Media must register to participate in this briefing and must RSVP by 12:00 p.m. ET on June 1. After registering, media will receive a confirmation email containing information about joining the webinar.

Register here for the crew press conference:
https://axiomspace.zoom.us/webinar/register/WN_4zAWzI8CTGCZ93YiwX0JPw[CH3]

Reporters may submit questions by emailing [email protected] by noon the day of the event. The event will be live streamed on axiomspace.com.

Follow Whitson, Shoffner, Alqarni and Barnawi on social media to learn more about the journey or download video and images from Axiom Space’s Ax-2 media kit.

Offline FutureSpaceTourist

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https://twitter.com/astropeggy/status/1664104710289211393

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@Astro_Alneyadi  and the entire expedition 69 crew made the @Axiom_Space mission 2 feel right at home on @Space_Station!  What a marvelous team they are!

Offline FutureSpaceTourist

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https://twitter.com/astropeggy/status/1664033963441102850

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Thanks for the @NASA supper of this second commercial mission. We are paving the path to commercial space!  I am thrilled to be a part of it with @Axiom_Space!

twitter.com/senbillnelson/status/1663877881477443586

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Welcome back to Earth! It's been an incredible journey for the all-private astronaut crew of #Ax2. They've conducted vital scientific experiments and brought the wonders of space closer to us all. Congratulations to @SpaceX and @Axiom_Space for another successful mission!

Offline rsdavis9

Someone can correct me if wrong but the sonic booms occur when the object decreases speed to below the speed of sound.   
This is incorrect.

Objects moving faster than the speed of sound in air generate a moving cone of shock waves.  Imagine the bow wave of a ship, but rotated around the direction of travel into a 3-d cone.

You hear a sonic boom when the surface of the cone passes through your location.

Depending on the shape of the object there may be multiple shock fronts (so multiple bangs).

So, you are saying that even a simple blunt body (gumdrop) may have a double sonic boom, if it is angled to change its direction, because of its asymmetry?

As I understand it...
Just like a boat there is a bow wave and a stern wave.
So bow shock cone and stern shock cone.
Obviously if the shape is more complex there is a greater chance of additional shock waves.
With ELV best efficiency was the paradigm. The new paradigm is reusable, good enough, and commonality of design.
Same engines. Design once. Same vehicle. Design once. Reusable. Build once.

Offline FutureSpaceTourist

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https://twitter.com/axiom_space/status/1664411241299824640

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After a successful mission, the first-time space fliers received a Texas sized welcome surrounded by their loved ones. ❤️

Online catdlr

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« Last Edit: 06/02/2023 09:18 am by catdlr »
PSA #3:  Paywall? View this video on how-to temporary Disable Java-Script: youtu.be/KvBv16tw-UM
A golden rule from Chris B:  "focus on what is being said, not disparage people who say it."

Offline kevinof

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Interesting feedback from the crew. After MECO, the S2 adjusts trajectory and then the Merlin VAC kicks in and you can really feel the acceleration (4+ G). The other one was where the drogues cut and the mains deploy but in the interim you are back in free fall until the mains catch.

Online catdlr

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Interesting feedback from the crew. After MECO, the S2 adjusts trajectory and then the Merlin VAC kicks in and you can really feel the acceleration (4+ G). The other one was where the drogues cut and the mains deploy but in the interim, you are back in free fall until the mains catch.


That was a fun exchange and the entire video was fun to view.  This was not a press conference but a crew debriefing and exchange.  Very enjoyable.  Peggy is such a delight.
PSA #3:  Paywall? View this video on how-to temporary Disable Java-Script: youtu.be/KvBv16tw-UM
A golden rule from Chris B:  "focus on what is being said, not disparage people who say it."

Offline FutureSpaceTourist

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https://twitter.com/spaceoffshore/status/1664704830487646219

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Dragon recovery ship Megan is en-route to Port Canaveral with the Axiom-2 capsule, following splashdown on Tuesday night.

Looking around dawn-ish on Saturday for the arrival time

Offline Aaron_Space

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https://twitter.com/SpaceX/status/1664832049516097537

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Tracking footage of Falcon 9 first stage returning to Earth after launching the Ax-2 mission to orbit

Offline FutureSpaceTourist

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Offline FutureSpaceTourist

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https://twitter.com/jerrypikephoto/status/1665039777165393921

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Megan nearing Port Canaveral with the Crew Dragon capsule from @Axiom_Space 2

Offline FutureSpaceTourist

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https://twitter.com/jennyhphoto/status/1665069873179795456

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Dragon Crew Capsule, Freedom returns to Cape Canaveral after sending the Axiom-2 crew to the International Space Station and returning them home  safely.

📷: Me for @SuperclusterHQ
@SpaceOffshore @elonmusk

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