aretsch.bsky.social

Our Hera spacecraft can now see Didymos and Dimorphos as two separate asteroids! 👀 Coming closer, it will study the effects of NASA's 2022 DART impact and help advance asteroid deflection as a planetary defence technique. The first detailed images of Dimorphos are expected on 25 November.

🧊 🌊 Earth is an artist.... 🧑‍🎨 📸🛰 Sentinel-2 2026.10.15 Nioghalvfjerdsbrae glacier, Greenland Link.dataspace.copernicus.eu/jkqf Click to enlarge ↔️↕️

🇦🇺 Opening 2026.10.25 Western Sydney International (Nancy-Bird Walton) Airport, Australia approximately 44 km (27 mi) west of the Sydney central business district. View from Space 📸🛰 Sentinel-2 2017-2026.10. Click to enlarge ↕️↔️

🇦🇺 Opening 2026.10.25 Western Sydney International (Nancy-Bird Walton) Airport, Australia approximately 44 km (27 mi) west of the Sydney central business district. From Space, a look at the develpoment. Timelapse: 8 years in 16sec. 📸🛰 Sentinel-2 2017-2026.10. @sentinelonline.bsky.social

🌋 Heard Island volcano Close -up 📸🛰 Sentinel-2 2026.10.21

🌋🇦🇶 Images of the globally the southernmost active volcano Mt. Erebus, Antarctica 📸🛰 Sentinel-2 & Sentinel-3. 2026.10.24 Close-up: with a clear view of the plume, you can also see the shadow well 3 wider views

Small plasma activity from NW limb 24.10.26 Video from helioviewer

Lower the Mediterranean just 110 metres and you can walk from Malta to Sicily. Keep draining and the floor sits on a kilometre of salt from the last time this sea dried out. Data: EMODnet, NOAA ETOPO 2022, ICE-6G_C #geography #maps #ocean

🇮🇸 Iceland ❄️🧊 Mulajökull & Arnarfellsmular What a smile 😃 📸🛰Semtinel-2 2026.10.24 12:53UTC

The Andromeda Galaxy, low in the sky over New South Wales, Australia.

🌋Nyamuragira 📸🛰 Sentinel-2 2026.10.23 08:10 UTC Link.dataspace.copernicus.eu/e2bn

The Rubin Observatory in Chile is an accidental art machine. It is gearing up to produce a 10-year, high-def movie of the whole universe. But along the way, it's returning beautiful images like this one of the Seagull Nebula in the constellation Monoceros. 🧪🔭 rubinobservatory.org/news/rubin-c...

Last night, NOAA-20 captured a beautiful view of Super Typhoon Champi illuminated by the moon.

The area cleared of trees seen from space 😤 Muhos, 🇫🇮 Finland 📸🛰 Sentinel-2 link.dataspace.copernicus.eu/eun3

In the stone age humans discovered fire as a source of energy. Modern technology has provided us with alternatives but some people seem incapable of moving on. www.theguardian.com/business/nil...

Lake Lucerne barely moved all week: surface water drifted about a kilometre a day, yet the basin off Gersau still turned anticlockwise while the Urnersee turned the other way. 11-17 Oct 2026, every three hours. Data: Alplakes lake model, Eawag (CC BY 4.0) #LakeLucerne #Switzerland #DataViz

@ptfretwell.bsky.social Something to laugh ….. Klingelinguin is very 😎

🫣🤯😵‍💫😡 Mittelbergferner Glacier www.foto-webcam.eu/webcam/braunschweigerhuette/

🌋Nyamuragira Under the clouds..... 📸🛰 Sentinel-1 & 2 mixed 2026.10.20

Monaco Superyacht show before/during/after - Sentinel-2. Tax the super-rich and improve public services! I learned about this here: www.theguardian.com/news/2026/oc...

Earth is an 🧑‍🎨 🇮🇸 Iceland, Syòdri-Òfœra 📸🛰 Sentinel-2 2026.10.20 Link.dataspace.copernicus.eu/wx55

🌋 Kilauea 🌺Hawaii This false color 📸 from the 🛰 Sentinel-2 2026.10.18 shows well the hot lava areas @sentinelonline.bsky.social Link.dataspace.Copernicus.eu/fjpc

Gisterenavond (19 okt) massale vogeltrek vanuit het Waddengebied richting Engeland! Na zonsondergang stijgen de vogels massaal op van de Waddeneilanden en rond Lauwersmeer (de witte vlekken zijn windparken). Prachtig vastgelegd door de KNMI-radar in Den Helder. Net op tijd vóór de storm van vrijdag!

science.nasa.gov/earth/earth-observatory/the-human-fingerprint-on-earths-water-cycle/

Spain and Portugal in this image which astronaut Anil Menon took with his iPhone from space station #ISS on 14 October 2026. Original eol.jsc.nasa.gov/SearchPhotos... @daveatcogs.bsky.social

"...a patient who arrived from Uganda tested positive for the virus, the Health Ministry said. The patient was admitted to a private hospital in Abuja before being diagnosed... Health Minister Muhammad Pate said authorities had begun tracing 44 people identified as contacts of the patient."

🌄 Sunrise Kiruna, Sweden

🇵🇹 Portugal, Alqueva reservoir. It is the largest reservoir in Western Europe. If too little electricity is taken, water is pumped back into the reservoir at the smaller second dam (20km below). 🛰 Sentinel-2 Fun fact: A floating solar system near the first dam. More en.wikipedia.org/wiki/Alqueva_Dam

"The pursuit of justice is precisely what is at stake today." HRW's Executive Director @bolopion.bsky.social discusses the importance of the International Criminal Court and shares how Human Rights Watch is fighting back to defend it.

Two days ago, millions of people in Japan received an alert on their phones: a M9.9 earthquake had occurred north of the county, and violent shaking was expected. Eight minutes later, the warning was rescinded. What happened? ⚒️ 🧪 earthquakeinsights.substack.com/p/false-m99-...

🇦🇶 Iceberg A-81 The journey of the last few weeks can be easily seen here. But I think currently the iceberg may be stranded on its base in front of the island ... we will see in the next days..... 🛰📸 Sentinel-3

🇦🇶 Iceberg A-81 The birth 2023.01. and the current status 2026.10. of the Iceberg A-81 near South Georgia Island. From birth to current position so far about a distance of 3,000km in 3 years. I'm curious if the Iceberg survive the upcoming summer there 🛰📸 Sentinel-3 @sentinelonline.bsky.social

Emperor Penguin colonie McDonald Ice Rumples 🐧📸🛰 Sentinel-2 2026.09.17. - 2026.10.18 IMO they only breed there in the second season 👍 @ptfretwell.bsky.social

Short time-lapse of part of this morning’s first pass of ICEYE-X36 (59103) and COSMOS 2612 (68762) over South America under partly cloudy skies.

#Kilauea episode 55 😍🌋

Aurora Borealis 2026.10.16 📸 Sweden, Kiruna Sky cam 📸 Northern Hemisphere, JPSS (SNPP, N20, Global)

🌋Kilauea SO2 plume 2026.10.17 📸🛰 Goes-18 (West, 137.0W) @cira-csu.bsky.social

Koude oorlog in de ruimte 👇

#volcan #volcano #Kilauea 🇺🇸 C'est parti pour la séquence paroxysmale : fontaine de lave et large coulées dans la caldera/Let's go for the paroxysmal sequence : lava foutain and large flows on the caldera floor

I forgot to check GOES 18 for this event, with all frames 17.10.26 www.ssec.wisc.edu/data/geo/#/a...

The Bay of Fundy has the highest tides in the world. On 11 October, Burntcoat Head rose and fell about 14 meters (46 feet), and all of it squeezes through Minas Passage, where the current tops 9 knots. Data: NOAA GoMOFS model; tides: DFO Canada #BayOfFundy #NovaScotia #NewBrunswick

Kīlauea is doing its thing again. Watch live: www.youtube.com/live/gXKuUyK... Also, right now (11:22 am Central) there's a lot of thumping noises as scoria fragments are raining down and smashing into the camera housing. You most definitely would not want to be where that camera is right now.

Kilauea Message 2026-10-17 03:40:12 HST Episode 55 fountaining from the north vent began at 3:19 am HST October 17 after almost 24 hours of continuous overflows. There were 359 precursory overflows since the episode 54 fountains ended. 13/n