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@spacemarschall.netSep 15, 2026, 2:12 PM

Big milestone for us at the @unibe.ch! The laser altimeter BELA, built under our leadership, was operated successfully for the first time after leaving our facilities exactly 10 years ago. BepiColombo, BELA, and all of us are now ready for science at Mercury starting in March 2027! #planetSci

@drkeithsmith.bsky.socialSep 14, 2026, 3:07 PM

Samples of asteroid Ryugu collected by Hayabusa2 are similar to Ivuna-type (CI) meteorites. Kawasaki et al. use isotopic measurements of Ryugu and Ivuna to show that their parent bodies formed only 2 million years after the beginning of the Solar System. ☄️🔭 #planetsci
www.science.org/doi/10.1126/...

@drspacejunk.bsky.socialSep 14, 2026, 7:13 AM

'He does not see the moon; he observes only her vast properties,
feeling the queer light on his hands, neither warm nor cold,
of a temperature impossible to record in thermometers'.

- Elizabeth Bishop, The Man-Moth #PoetrySky #PlanetSci

@drspacejunk.bsky.socialSep 9, 2026, 10:54 AM

Protecting Lunar Heritage: Developing Guidelines and Recommendations for Controlled Lunar Deorbiting

Free seminar, online, and in person in Pisa, Italy, 14 September, 14.00 CEST 🧪 🔭 🏺
#SpaceHeritage #PlanetSci
internationalmoonday.org/event/protec...

International Moon Day 2016 Protecting Lunar Heritage Developing guidelines and recommendations for controlled lunar deorbiting 14 September 2026 14.00 (CEST) Hybrid event by ICOMOS International Scientific Committee on Aerospace Heritage In person: Room PAO B1 Palazzo Carita, via Pasquale Paoli, 15-Pisa, Italy Online: Scan QR code to register
@ita.esa.intSep 9, 2026, 10:41 AM

Quali pianeti riuscite a individuare lungo il percorso? 👀

www.youtube.com/watch?v=WJqW...

@science.esa.int
#planetsci

@ita.esa.intSep 9, 2026, 10:40 AM

Otto anni di selfie spaziali in 4️⃣ minuti 📸

Nel corso del viaggio della missione BepiColombo di ESA/JAXA verso la sua destinazione finale intorno a Mercurio, tre telecamere di monitoraggio a bordo hanno ripreso alcune immagini lungo il percorso 👇

@science.esa.int
#planetsci

@science.esa.intSep 9, 2026, 10:08 AM

Eight years of space selfies in 4️⃣ minutes 📸

As the ESA/JAXA BepiColombo mission traveled toward its final destination around Mercury, three onboard monitoring cameras took images of the journey 👇

Which planets do you spot along the way? 👀
youtu.be/WJqWGdWERqk

🔭🧪 #planetsci

@science.esa.intSep 7, 2026, 12:08 PM

What's next for BepiColombo?

🛰️ 🌑 ↩️ On 21 November, the two orbiters, ESA's Bepi and JAXA's Mio will enter orbit around Mercury together

🛰️
🌑 🛰️ In December, the orbiters will separate from each other

🔎 Science operations will begin in April 2027

Stay tuned!

🔭 🧪 #planetsci 2/2

An infographic showing the different stages of BepiColombo's arrival at Mercury. Each step shows the configuration of the different spacecraft as they separate from one another, depicted as simplified grey drawings on a dark blue background. A vertical line connects the image for each step to the corresponding date and description at the bottom. An image of Mercury lies on the right edge of the infographic.
@science.esa.intSep 7, 2026, 12:08 PM

Mercury, here we come! 🛰️ 🌑

Eight years and nine planetary flybys later, the ESA/JAXA BepiColombo mission has parted ways with its Mercury Transfer Module – the first critical step in its Mercury Arrival Phase.

Catch up on how it happened ICYMI 👉 www.esa.int/Enabling_Sup...

🔭 🧪 #planetsci 1/2

@joseptrigo.bsky.socialSep 7, 2026, 9:06 AM

#Comet #220P McNaught today, showing a complex coma and a very extended 8 arcmin. fan. It has suffered several disruptive #outbursts in the last months, but its nucleus is still going well... ☄️
3 min. exposure consecutive images with the #S50

#MontsenyObservatory #PlanetSci

@drksolsen.bsky.socialSep 7, 2026, 7:39 AM

ESA brought out the big ExoMars Rosalind Franklin rover to #EPSC2026 in Den Haag.
🍁 Canada was an original supporter of the ExoMars programme and provided the wheels and suspension and lenses for the cameras!

It's been a long time coming to get this far!!!

#planetsci 🧪🔭

@nickattree.eurosky.socialSep 7, 2026, 6:45 AM

Hello @europlanetmedia.bsky.social #EPSC2026 here in Den Haag! Looking forward the #3I/Atlas keynote today, plus I will be presenting some @cometinterceptor.bsky.social related-work in the small body dynamics session SB12 later, and I also have another talk Thurs. Gonna be a busy week! #PlanetSci

@akasci.bsky.socialSep 6, 2026, 12:30 AM

Wishing a Happy 49th Birthday to the mighty Voyager 1 mission.

Boldly going where no spacecraft has gone before.

Now 25.67 billion km (23.785 light hours) away. Sending science data back to humanity from the few instruments that still remain powered on.
fosstodon.org/@AkaSci/1172...
#PlanetSci

@science.esa.intSep 3, 2026, 1:56 PM

With this separation, ESA's Bepi and JAXA's Mio have completed the first step of their Mercury arrival phase.

Go, Bepi! 🙌
Go, Mio! 🙌

🔭 🧪 #planetsci 3/3

@science.esa.intSep 3, 2026, 1:56 PM

Together, the stacked spacecraft travelled nine billion km, did 22 loops around the Sun and performed nine planetary flybys.

MTM's propulsion system is dependent on Bepi's computer control, so after today, MTM will float around the Sun indefinitely.

🔭 🧪 #planetsci 2/3

BepiColombo appears to ‘hug’ Mercury in this image taken by the ESA/JAXA BepiColombo mission on 19 June 2023 as the spacecraft sped by for its third of three gravity assist manoeuvres at the planet. The back of the Mercury Planetary Orbiter’s high-gain antenna and part of the spacecraft’s body is visible in front of Mercury.Collage of images captured by BepiColombo’s monitoring camera during the Venus flyby on 15 October 2020. Two rows of four images each show parts of the BepiColombo spacecraft with planet Venus in the background.A view of Earth captured by one of the MCAM selfie cameras on board BepiColombo, as the spacecraft zoomed past the planet during its first and only Earth flyby on 10 April 2020.
@science.esa.intSep 3, 2026, 1:56 PM

A happy goodbye is still a goodbye 🥹

Mission accomplished, MTM! 🫡 Thank you for the ride!

Thanks to its solar-powered electric thrusters, MTM carried ESA's Bepi and JAXA's Mio to Mercury on the power equivalent of 250 ants! 🐜🐜🐜

🔭 🧪 #planetsci 1/3

@ita.esa.intSep 3, 2026, 8:37 AM

Un ultimo selfie! .... a 3,3 milioni di km da Mercurio 📸

@science.esa.int @operations.esa.int #BepiColombo
#planetsci

@science.esa.intSep 3, 2026, 7:52 AM

A last selfie, 3.3 million km from Mercury 📸

#BepiColombo's Mercury Transfer Module (MTM) has taken one last set of snapshots before it separates today from the science orbiters, ESA's Bepi and JAXA's Mio, which will continue their journey to Mercury.

Farewell, robot friend 👋 🥹

🔭 🧪 #planetsci 1/2

View from the monitoring camera M-CAM 1 on ESA’s Mercury Transfer Module (MTM), which shows part of the extended solar array of the MTM on the right and a part of MTM itself on the left.View from the monitoring camera M-CAM 2 on ESA’s Mercury Transfer Module (MTM), which captures parts of the medium-gain antenna and magnetometer boom on ESA's Mercury Planetary Orbiter (MPO).View from the monitoring camera M-CAM 3 on ESA’s Mercury Transfer Module (MTM), which captures part of the high-gain antenna on ESA's Mercury Planetary Orbiter (MPO) and some of MPO's body.
@science.esa.intSep 3, 2026, 6:30 AM

This goodbye is for good 🥺

Today, the two #BepiColombo explorers, ESA's Bepi and JAXA's Mio, are bidding farewell to their robot friend, MTM, who has powered their journey thus far.

Watch the separation operations live starting 13:45 CEST 👉 www.youtube.com/watch?v=oC7l...

🔭 🧪 #planetsci 1/2