1223: #ClassicKenCroswell: Satellite galaxies of the Milky Way can be very slight. Ken Croswell, @NewScientist. - a podcast by John Batchelor

Photo: 2020

#ClassicKenCroswell: Satellite galaxies of the Milky Way can be very slight. Ken Croswell, @NewScientist.

https://www.newscientist.com/article/2107985-super-dim-galaxy-may-be-one-of-hundreds-orbiting-the-milky-way/

“It continues to be interesting how faint you can go and still be a galaxy,” says Erik Tollerud of the Space Telescope Science Institute in Baltimore, Maryland. “They’re such tiny little puny things.” The new galaxy radiates so little light because it has so few stars, which give off only about 180 times as much light as the sun.

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