Two Most Recent Web Cast + Podcast :
Intl. Waste Treatment Conference
Taipei, Taiwan, 05/10/30
[b][green]Illuminating the Shadow of the Future
Ann Arbor, Mi 05/09/23-25
The four galaxies - called Robert's Quartet - lie about 160 million light years from Earth in the southern constellation Phoenix. They are crowded into a space just 150,000 light years across - only 1.5 times the width of our galaxy, the Milky Way.
That proximity makes them one of the best known examples of a compact group of galaxies, whose members gravitationally disturb each other.