#Craters

Granny Violet

msgrannysmithXx

@tartarusorbust I thought about just answering your tweet or making it an own thread.What I'm going to share with you now are some very personal thoughts about how my country's

Geological Society

geolsoc

NASAs #perseverance rover is officially on its way to Mars! It won't get there until Feb 2021 so in the meantime check out our Q&A below - answers provided

dgbaumgart

dgbaumgart

Had some thoughts while remembering some of the details of this incident.To start: I think, in general, you can judge the health of an online community by whether women are

Nathan Ruser

Nrg8000

THREAD. A reminder that background knowledge and context is important to satellite analaysis. This timelapse shows the surrounds of Mekelle airport over the past few weeks. On first glance it

DevonDad

Hutch_and_Sons

Burma 1944.23 Bde Standard Drill for Emergency Landing Strips.(Original document dated 7 Feb '44)From my Grandpa's collection who was Capt 12th Fld Coy RE having joined them in N Africa

Michael Marshall

m_c_marshall

A reader emails to ask:"Why must there exist a universal common ancestor?"In other words, why do scientists believe that all living organisms today are descended from one ancestral population?This is

Steve Hauck 🚀🛰🌔

hauck

My mentor, role model, and friend Roger J. Phillips passed away yesterday. Roger was a gentle giant of planetary geophysics who took great joy in working through the mysteries of

Peter Grindrod

Peter_Grindrod

As the sun rises over the rim of Jezero Crater, two main reasons stand out to me as why the landing of @NASAPersevere later today is so important:(1) the geology,

(Julie) Fairey Lights

juliefairey

Shout out to Tūpuna Maunga Authority for the amazing taonga they are protecting and healing. Visited three since this lockdown ended, each unique & beautiful. I am learning more about

James West

ejwwest

Let’s examine the “Galileo gambit” in more detail.If you’re a Hunter gatherer community or Neolithic farmer, the world is flat. In fact if you’re a medieval peasant who rarely goes

Annalee

LeeFlower

I don't know Paul Krueger, but as people have spoken up about his behavior--I know his type, and I'm seeing a familiar pattern play out in the way a lot

Paul Welch

PaulIWelch

The Small Box Girder (SBG) assault bridge was one of the devices carried by the AVREs of 79th Armoured Division in NW Europe. The bridge was developed in 1943 (see

Dr David Boyce

DrDavidBoyce

Happy Winter Solstice people. 10.02 am marks the darkest point in the year. The point where the nights are longest and the days are shortest. Tonight as the Sun sets

Stephen Fisher

SeaSpitfires

People seem to like this aerial photo, so here's a little bit more to follow it. Not long after, more photos were taken on the beach itself showing the immediate

ہبہ

okayysorryy

I once wrote extensively on the Lost City of Ubar. Wabar. Iram of Pillars. All the names refer to Arabia's own lost city. Or rather, more popularly known as the

Jonathan Fearnley

JJFearnley

THREADThere's a question I get asked all the time as a maths teacher:"When am I ever going to use this in real life?" "I'm making you smarter" or "How do

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