Author Topic: On this Day in Space History - A Space Almanac  (Read 104332 times)

Online catdlr

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Re: On this Day in Space History - A Space Almanac
« Reply #20 on: 07/29/2025 07:23 pm »
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NASA History Office

@NASAhistory
What would you do with 59.5 days in space?

Skylab 3 launched #OTD in 1973, with Alan Bean, Owen Garriott, and Jack Lousma on board.

This second Skylab crew smashed the space duration record for the time, spending 59.5 days in orbit and exceeding their experiment goals by 50%!

https://x.com/NASAhistory/status/1949832219490488824

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Re: On this Day in Space History - A Space Almanac
« Reply #21 on: 07/31/2025 04:47 am »
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Ben Cooper
@LaunchPhoto
OTD 5 yrs ago, launch of Mars 2020 with the Perseverance rover, still going strong! Beautiful morning, arching out over the Atlantic (@ulalaunch photo):

https://x.com/LaunchPhoto/status/1950657088637833465
« Last Edit: 07/31/2025 04:48 am by catdlr »
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Re: On this Day in Space History - A Space Almanac
« Reply #22 on: 07/31/2025 04:50 am »
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Mike Constantine
@Moonpans
On this day 1971 - Apollo 15 Station 2  - Dave Scott speaks of his excitement at the view of Hadley Rille from Station 2.

https://twitter.com/Moonpans/status/1950571241275785543
« Last Edit: 07/31/2025 08:54 am by catdlr »
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Offline edzieba

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Re: On this Day in Space History - A Space Almanac
« Reply #23 on: 07/31/2025 11:39 am »
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Mike Constantine
@Moonpans
On this day 1971 - Apollo 15 - Jim Irwin at Station 8
This photo was captured by Dave Scott at the end of EVA-2, after a long and tiring day. The EVA lasted a total of 7 hours and 12 minutes.

Jim Irwin can be seen digging a trench at Station 8 using the Lunar Surface Scoop by forcing it into the ground then propelling the soil backwards between his legs. The resulting trench was over 1m long and 30cm deep with a sun-facing vertical back wall.
Irwin would then use a device called the Lunar Self-Recording Penetrometer (LSRP) to measure the mechanical properties of the lunar soil.

https://x.com/Moonpans/status/1950824974169551205
Original photo attached. The twitter one has had some weird AI nonsense applied to it (e.g. randomly placed and oriented fake fiducial crosshairs, a tripod that has become an antigravity bipod, extended shadow not following terrain, etc)

Online catdlr

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Re: On this Day in Space History - A Space Almanac
« Reply #24 on: 08/01/2025 02:54 am »
Chris C detailed the 10th anniversary of the Pluto Flyby in this thread.  The Flyby Event took place on July 14, 2025

https://forum.nasaspaceflight.com/index.php?topic=4221.msg2705113#msg2705113

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This month was the 10-year anniversary of the historic Pluto fly, with a number of remembrance events, and those inspired me to seek out and rewatch the briefing events of that historic week in 2015.  Of course, NSF has all this documented, but at the time, only via John44 archive links, and no YouTube links.  So this post is to capture those YouTube links, which in some cases took quite some effort to find.
« Last Edit: 08/01/2025 02:55 am by catdlr »
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Re: On this Day in Space History - A Space Almanac
« Reply #25 on: 08/01/2025 02:48 pm »
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54 years ago today, #NASA put the first car on the moon.

Apollo 15 was the first moon landing to use the Lunar Roving Vehicle, which greatly expanded the range and duration of each of the mission's EVAs. Mission Commander Dave Scott gave the Rover its first test drive.

https://x.com/missionmovie/status/1950964160180711765
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Re: On this Day in Space History - A Space Almanac
« Reply #26 on: 08/01/2025 04:48 pm »
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54 years ago today, #NASA put the first car on the moon.
Apollo 15 was the first moon landing to use the Lunar Roving Vehicle, which greatly expanded the range and duration of each of the mission's EVAs. Mission Commander Dave Scott gave the Rover its first test drive.
They built four of them. The last one, LRV-4, was for Apollo 18, which did not fly. LRV-4 is in the museum at KSC, Probably fully functional except it will need a new battery. They should just fly it on the Artemis III HLS. Upgrading the electronics might be useful, but any competent rover would be a lot better than no rover. In addition to being practical, it would be a great homage to Apollo.

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Re: On this Day in Space History - A Space Almanac
« Reply #27 on: 08/03/2025 07:24 pm »
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National Air and Space Museum@airandspace

#OTD in 2004, the MESSENGER spacecraft launched on a Delta II rocket to gather data about Mercury and its environment. The spacecraft has fundamentally changed our understanding of Mercury during its orbital exploration of the planet.

https://x.com/airandspace/status/1952078425373524352
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Re: On this Day in Space History - A Space Almanac
« Reply #28 on: 08/05/2025 09:12 pm »
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NASA History Office

@NASAhistory
They say it's your birthday 🥳

We salute Neil Armstrong, best known as the first person to walk on the Moon, today on the 95th anniversary of his birth.

Did you know he worked with our agency BEFORE it became NASA?

 Find out more: https://go.nasa.gov/4m5wmY6

https://x.com/NASAhistory/status/1952732806594842712
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Re: On this Day in Space History - A Space Almanac
« Reply #29 on: 08/05/2025 10:02 pm »
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Thirteen ways of looking at a red planet: 13 years ago today, Curiosity landed on Mars. Here are 13 remarkable views captured during one of the most extraordinary journeys of all time.


Ride along at http://science.nasa.gov/mission/msl-curiosity 🧵

(Note:  The post has thirteen pictures, only the first montage is attached).
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Re: On this Day in Space History - A Space Almanac
« Reply #30 on: 08/07/2025 05:27 pm »
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Aloha, Moon travelers!

Apollo 15 splashed down 335 miles north of Honolulu, Hawaii, #OTD in 1971.

Because one of its chutes failed to inflate during descent, the command module hit the water traveling at 22 mph (35 km/h) instead of the expected 19 mph. The crew was unharmed.



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Re: On this Day in Space History - A Space Almanac
« Reply #31 on: 08/09/2025 02:40 am »
James W. Draper
@James_W_Draper
The USAF announced an acceleration of guided missile programs 75 years ago today. More details here -

James W. Draper’s Post
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Re: On this Day in Space History - A Space Almanac
« Reply #32 on: 08/09/2025 02:02 pm »
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James W. Draper
@James_W_Draper
Today marks a solemn anniversary in Titan II missile history.

More details here - https://linkedin.com/posts/james-w-draper_missiles-coldwarhistory-usaf-activity-7359944533570166784-CDz6?

I
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Re: On this Day in Space History - A Space Almanac
« Reply #33 on: 08/10/2025 02:47 am »
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National Air and Space Museum@airandspace
On this day in 1976, Luna 24 launched to the Moon, where it would land in the Mare Crisium (Sea of Crises) nine days later to collect lunar samples. It was the last Soviet probe to the Moon.

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Re: On this Day in Space History - A Space Almanac
« Reply #34 on: 08/10/2025 04:52 pm »
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National Air and Space Museum@airandspace

Happy 179th birthday
@smithsonian
! 🥳

Here's a throwback to the days before we had a building, when Air and Space artifacts found homes on display in various Smithsonian buildings in DC. This 1950s photo shows the 1903 Wright Flyer in the Arts & Industries Building.

https://twitter.com/airandspace/status/1954586061587296564
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Re: On this Day in Space History - A Space Almanac
« Reply #35 on: 08/10/2025 06:17 pm »
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National Air and Space Museum@airandspace
·

35 years ago today, the Magellan spacecraft entered orbit around Venus. By the end of its mission, the space probe had mapped over 98% of Venus's surface. More about the mission via NASA: https://s.si.edu/46JHT8k

https://x.com/airandspace/status/1954607203190517864
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Re: On this Day in Space History - A Space Almanac
« Reply #36 on: 08/11/2025 03:47 pm »
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National Air and Space Museum@airandspace

65 years ago today, the Discoverer XIII reentry capsule became the first human-made object to be recovered from orbit. "Discoverer" was the cover name for the highly classified Air Force/CIA Corona photoreconnaissance satellite program: https://s.si.edu/3DRYKID #AirSpacePhoto
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Re: On this Day in Space History - A Space Almanac
« Reply #37 on: 08/12/2025 01:00 am »
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National Air and Space Museum@airandspace
Today in 1991, Space Shuttle Atlantis landed at
@NASAKennedy, completing STS-43. The mission successfully deployed TDRS 5 satellite: https://s.si.edu/3ynEEXO
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Re: On this Day in Space History - A Space Almanac
« Reply #38 on: 08/12/2025 06:33 pm »
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National Air and Space Museum@airandspace
On #TDIH in 1977, Space Shuttle Enterprise—crewed by Fred Haise and Gordon Fullerton—made its first free flight from a 747 during shuttle approach and landing tests.
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Re: On this Day in Space History - A Space Almanac
« Reply #39 on: 08/12/2025 06:34 pm »
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ULA@ulalaunch

As we count down to tonight's Vulcan launch, we are celebrating the 20th anniversary of our Atlas V rocket launching the Mars Reconnaissance Orbiter.

MRO continues to orbit Mars to study its surface, climate and planetary history.

This was just one of 20 launches ULA and our heritage rockets have made to the Red Planet!

https://x.com/ulalaunch/status/1955298408786198946
« Last Edit: 08/12/2025 06:52 pm by catdlr »
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