Watching a group of people come together to do something this hard and this unprecedentedly complex – often in the face of administrative inertia – reminds me that it is not only possi…
Do Look Up
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Astronomy | Cosmology | Personal
Its Dark Materials
Each galaxy lives within its own three-dimensional halo of dark matter whose gravitational field corrals the stars within it. Without the stars, the halo would still be th…
Pop Science
As you can guess from the title, The First Three Minutes tells the story of the moments following the Big Bang. The early universe sets the stage for the development of the cosmos we observe t…
New York State of Mind
One of the commonest questions about the Big Bang is “If the universe is expanding, is everything in it getting bigger? The solar system, the sun, the earth, our bodies and the atoms we are made of…