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As someone who has loved maps since I was a kid, it was pretty special to see the Mappa Mundi - latin for ‘map of the world’ - at Hereford Cathedral. Made in 1300, this is the largest medieval map depicting the known world still known to exist #maps #geography #cartography

It is wonderful to be back at the Ries impact structure, Germany. 25 years ago I came here in the 1st year of my PhD to visit this amazing crater. Little did I realize I would still be exploring its secrets all these years later. Stay tuned for updates from the field!

What a great first couple of days in the Ries crater! We have a large team here from 🇨🇦 & 🇬🇧 as part of a Canadian Space Agency- funded project to support the ExoMars PanCam & #Enfys instrument teams on ESA_ExoMars & explore how impact craters can form clays on Mars.

A lot of the sites we visited today and our discussions focused on how meteorite impact events can create habitable environments - e.g., hydrothermal systems & crater lakes - and how the ESA_ExoMars rover might identify such habitats on #Mars

Happy birthday Sir David Attenborough. You’ve been inspiring me for my entire life. 99 years old. Unbelievable.

Another great day at the Ries crater and our final one as a group before a few of the team leave tomorrow. More great rocks, discussions about the #ExoMars mission & checking out the historic town of Nördlingen! #geology #fieldwork #mars #impactcraters

Never, ever, say that “my vote doesn’t matter” - 1 single voter decided the outcome of this riding in Quebec!! cbc.ca/news/politics/…

A great turn out for the Monday morning planetary geoscience session at #GACMAC2025 in Ottawa - Insights into solar system geology from astromaterials & missions GAC/AGC

Space archaeology. Cool. bbc.com/future/article…

I have the best research group 😀

Great to see this paper out from recently-graduated PhD student Catheryn Ryan - Putative biosignatures in hydrovolcanic tuffs from a Mars-relevant environment #mars #astrobiology #geology Institute for Earth and Space Exploration Earth Sciences sciencedirect.com/science/articl…

Had a blast today talking to Grade 9 science and geography classes at SCI_Lions school Thames Valley DSB about the 🇨🇦 rover mission and 🇨🇦 involvement in the #Artemis program to return humans #ToTheMoon Canadensys Aerospace Canadian Space Agency Western University

Too funny (and true!) not to retweet 😜

Indescribably heartbreaking. A hospital doctor loses 9 of her 10 children. Another grim statistic adding to the over 16,000 Palestinian children killed in Gaza by Israel #FreePalestine #GazaUnderAttack bbc.com/news/articles/…

‘Tis a beautiful morning on the beautiful Western University campus 😀

Jeeze, and this is still spring.... a deadly reminder that we're still in a #ClimateCrisis despite it not being on the front page.... bbc.com/news/articles/…

Cool #Arctic fossil story!

The view from space is the only way to truly understand the #wildfires currently burning across 🇨🇦 #ClimateCrisis #ClimateAction

A really great article by Dr. Tanya Harrison - Trump’s Space Cuts Should be a Wake Up Call for Canada spaceq.ca/trumps-space-c…

It never gets old. Had a blast leading a field trip down to the floor of Barringer (aka Meteor) Crater, a 180 m deep 1.2 km diameter hole in the ground! #ImpactEarth Barringer Crater Co Meteor Crater