

Catherine Colello Walker
588 posts

@CapComCatWalk
Earth and Planetary Scientist @WHOI and @NASA. Animal lover. Wannabe astronaut. I do all my own stunts. Human companion of @DreaminDog.



A new special issue of Science highlights research on Earth’s frozen places—from the Arctic to the Antarctic—and how it’s changing due to climate change and the geopolitical challenges this important work faces. Learn more: scim.ag/3WMC3iZ







🚀It’s launch day for #EuropaClipper! The SpaceX Falcon Heavy is set to lift off from @NASAKennedy at 12:06pm EDT. The goal is to learn if there are places below the icy crust of Jupiter’s moon that could support life. Here are 8 things to know! ▶ go.nasa.gov/3MOPAB3




In the land of ice and snow... ...and volcanoes 🌋🌋🌋 #Cryo2ice is here 🛰️🛰️ Get ready for a week of 🧊 ice sheets and ice shelves 🏔️ mountain glaciers 🌊 oceans ❄️ snow and sea ice 🏞️ inland waters 🔮 & a CRISTAL clear future CryoSat 🤝 ICESat-2 @ESA_EO🤝@NASAEarth

What a venue! What an event! #Cryo2ice is almost over, but not quite yet. Time now to summarise this incredible "family reunion" of our milk and cookies, CryoSat and ICESat-2. We're about to hear from all our chairs, before a wrap up from @tparrine & @Thorsten_Markus


In the land of ice and snow... ...and volcanoes 🌋🌋🌋 #Cryo2ice is here 🛰️🛰️ Get ready for a week of 🧊 ice sheets and ice shelves 🏔️ mountain glaciers 🌊 oceans ❄️ snow and sea ice 🏞️ inland waters 🔮 & a CRISTAL clear future CryoSat 🤝 ICESat-2 @ESA_EO🤝@NASAEarth





The world's biggest iceberg is made up of a trillion tonnes of frozen pure water and is more than twice the size of Greater London. It's slowly moving towards the Southern Ocean and having a huge impact on the seas around it bbc.in/455Y7YY