Year: 2022

The Earliest Galaxies Rotated Slowly, Revving up Over Billions of Years

A team of astronomers have used the ALMA telescope to find a slowly-rotating galaxy in the early universe. That galaxy is the youngest ever found with a measured rotation, and it’s much slower than present-day galaxies. All galaxies rotate, usually at incredible speeds. For example, the Milky Way galaxy has a rotation speed of over …

The Earliest Galaxies Rotated Slowly, Revving up Over Billions of Years Read More »

A New Instrument is Going to the ISS to Study the Climate Impact of Dust in Earth’s Upper Atmosphere

People often seem surprised when they learn that NASA doesn’t just look out to the other planets, stars, and galaxies. It’s also an agency that studies our own home planet—from space! And why not? Earth is part of the solar system, too. So, to that end, there’s a new Earth studies mission called EMIT on …

A New Instrument is Going to the ISS to Study the Climate Impact of Dust in Earth’s Upper Atmosphere Read More »