John Erhardt @ErhardtJohn
San Diego, CA Joined May 2014-
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SpaceX engineers spent several days inspecting Ship 40 in the waters off Christmas Island. They collected heatshield samples and gained vital insight into how the vehicle handled reentry with improvements now planned on future vehicles
My favorite capture of the night: The moment the moon's shadow split the sunset in half, leaving a diamond ring in the sky and a breathtaking view. I call it "Shadows on the Balearic Sea". I'll have prints available for this one linked in my bio for a few days only.
Un. Real.
I finally have all 1.2 million raw image files from my latest mission to ISS! Here is a sample of one of my favorite Milky Way photos, taken from the Cupola with Nikon Z9, Arri Zeiss 15mm lens, T1.8 with custom sidereal drive that cancelled out star motion relative to our orbit.
I took 1.7 million photos over 6 days to catch this photo of a commercial jet in front of the sun. The moment it happened, TWO floating prominences were visible, making this not just my best aircraft transit photo, but one of the luckiest of my career! Videos of the transit 👇
I'm thrilled to share this unique collaboration with Artemis Il astronaut @astro_reid. Artemis II was a unique opportunity to get high-quality imagery of the moon, and Reid was gracious enough to capture some special image sets for me during the lunar flyby.
Only one chance in this lifetime… Like watching sunset at the beach from the most foreign seat in the cosmos, I couldn’t resist a cell phone video of Earthset. You can hear the shutter on the Nikon as @Astro_Christina is hammering away on 3-shot brackets and capturing those exceptional Earthset photos through the 400mm lens. @AstroVicGlover was in window 3 watching with @Astro_Jeremy next to him. I could barely see the Moon through the docking hatch window but the iPhone was the perfect size to catch the view…this is uncropped, uncut with 8x zoom which is quite comparable to the view of the human eye. Enjoy.
Hello, Moon. It’s great to be back. Here’s a taste of what the Artemis II astronauts photographed during their flight around the Moon. Check out more photos from the mission: nasa.gov/artemis-ii-mul…
Earthset. The Artemis II crew captured this view of an Earthset on April 6, 2026, as they flew around the Moon. The image is reminiscent of the iconic Earthrise image taken by astronaut Bill Anders 58 years earlier as the Apollo 8 crew flew around the Moon.
To commemorate the Artemis II mission, the astronauts announced their suggestion to rename certain features on the Moon to honor the Orion spacecraft, named Integrity, as well as commander Reid Wiseman's late wife, Carroll.
We see our home planet as a whole, lit up in spectacular blues and browns. A green aurora even lights up the atmosphere. That's us, together, watching as our astronauts make their journey to the Moon.
Congratulations to head coach Eric Newman on recording his 4⃣5⃣5⃣th career win with the Tritons! He is now the winningest coach in UC San Diego baseball history 👏👏 #GoTritons
OH MAMA DON'T YOU CRY 🦅 USA HOCKEY IS GOLDEN FOR THE FIRST TIME SINCE 1980 🥇🇺🇸
JACK HUGHES DELIVERS AMERICA'S GOLDEN MOMENT IN OVERTIME.
𝘽𝙞𝙜 𝙒𝙞𝙣™️ 𝙛𝙤𝙧 𝙩𝙝𝙚 𝙏𝙧𝙞𝙩𝙤𝙣𝙨 🔱 ⚾️ @ucsdbsb launches 4️⃣ home runs to defeat the No. 1 team in the nation! #𝗢𝗻𝗹𝘆𝗧𝗵𝗲𝗕𝗼𝗹𝗱 x #NCAABaseball
West coast jellyfish 🚀 🪼 @SpaceX @NASASpaceflight
Alex Honnold’s selfie from the top of Taipei 101 after his historic free solo. #SkyscraperLIVE
📣 Alumni! We want to update you on what’s happening with Triton Baseball! Please take a minute to update your information here: bit.ly/3KGdRMs Alumni Weekend is January 30-31! #GoTritons
Willliam Brennan of @blueorigin shared at @AWSreInvent how they are using agentic AI and specifically how it helped develop a new system called TEAREX - thermal energy advanced regolith extraction. @DJSnM @NASASpaceflight @Erdayastronaut @SciGuySpace youtube.com/live/yhhoJtCKV…
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