“Even today, more than eighty years after Oort's bold guess, we still don't have a clue what this dark matter is made of. We know it exists. We know where it is. We have maps of its presence within and… — Christophe Galfard Copy Share Image
“Everyone should be very grateful radioactivity exists at all. It can kill you, yes, but without it you wouldn't have been born in the first place. On Earth, deep under your feet, our planet happens to contain many atoms that… — Christophe Galfard Copy Share Image
“Even today, more than eighty years after Oort's bold guess, we still don't have a clue what this dark matter is made of. We… — Christophe Galfard Copy Share Image
“Everyone should be very grateful radioactivity exists at all. It can kill you, yes, but without it you wouldn't have been born in the… — Christophe Galfard Copy Share Image
“Our image is here and will for ever stay, and there is comfort in knowing that the memory of our lives will always be… — Christophe Galfard Copy Share Image
