The Ledger

Every statement that passed quotation and attribution checks. Mix any filter with any other: certainty 1/5, debate potential 5/5, or both at once.

clear all ✕

why aren't all 3 resolved? a statement only gets an assessment when the public record can support or contradict it. opinions and what-ifs never can, and 1 checkable ones are still open, waiting for their date. predictions held up or didn't; assertions are supported or contradicted. on every card: ▮▮▮▮▮ certainty · ▮▮▮▮▮ debate potential. speakers are clickable

Prediction Open · timeframe Oct 2028
Mather: Habitable Worlds Observatory will directly image Earth-like planets
“And the next one we're going to build is called Habitable Worlds Observatory. And so when we do that, we'll be able to see an image with a little dot next to the other Big dot, and it'll be an Earth-like object around a star like the Sun”
John Mather Oct 30, 2023 ▶ 10:20 The Unanswered Questions of Space: Quantum Entanglement, Dark Matter, and Dark Energy
Prediction Not checkable as stated
Mather: In 100 billion years, most galaxies will recede beyond detection
“If you were to come back in another, say, hundred billion years, most of the galaxies that we know about would have receded from us so far away that we couldn't see them anymore. So the universe will be in the process of appearing to empty itself out, and if y…”
John Mather Oct 30, 2023 ▶ 13:42 The Unanswered Questions of Space: Quantum Entanglement, Dark Matter, and Dark Energy
Prediction Not checkable as stated
Understanding errors in early galaxy formation models could take decades
“It's gonna take us a good long time, could be decades before we really, really deeply understand what we were wrong about.”
John Mather Sep 9, 2023 ▶ 14:08 Can You Prove The Big Bang Theory?
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