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2 articles from Astronomy.com

Ask Astro: Could isolated black holes be dark matter?

Can isolated black holes account for dark matter? Rick PinsonLong Beach, California Astronomers estimate about 100 million black holes wander the Milky Way. Since black holes emit no light, we rely on indirect methods to infer their presence. The first method is to search for a black hole’s gravitational influence on nearby objects, such asContinue reading "Ask Astro: Could isolated black holes...

A visit to Ecuador’s astronomical center

Quito, the capital city of Ecuador, is perched on the mountainous backbone of the Andes, which run through the center of this equatorial nation on the northwest shoulder of South America. Although February is the wet season, but it isn’t raining today so people lounge near a pond in Parque Alameda, with fountains spraying jetsContinue reading "A visit to Ecuador’s astronomical center" The post...