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Posts by
Editors of EarthSky
Hints of a quiet, stray black hole
Theoretical studies predict 100 million to 1 billion black holes in our Milky Way galaxy. So far, astronomers have found about 60. A serendipitous discovery could lead to finding more.
February 13, 2017
Lake Travis
Image taken by our friends at Lake Travis Boat Rentals, the best place to go for Float On –lake travis boat rentals in...
February 7, 2017
Astronomy statement on US travel ban
The International Astronomical Union issued a statement on Monday in response to the U.S. executive order limiting travel from 7 countries. Read it here.
January 30, 2017
Visualize the sun’s path through Milky Way
Sirius is easy to find. It's the sky's brightest star on the sky's dome. When you look at it, you're looking backwards along our solar system's path through the Milky Way galaxy.
January 20, 2017
Largest, closest, highest sun
As seen from Rio de Janeiro, Brazil on January 4, Earth reached its closest point to the sun just 40 minutes before the sun reached its highest daily position in Rio`s sky ...
January 7, 2017
How long to orbit Milky Way’s center?
One journey of our sun and planets around the center of our Milky Way galaxy is sometimes called a cosmic year. That's approximately 225-250 million Earth-years.
November 28, 2016
Can we see stars outside our Milky Way?
When we look up or down - away from the flat disk of the galaxy or toward it - we're seeing Milky Way stars. But we also see a few more distant objects, visible to the eye alone.
November 28, 2016
Together under the Milky Way
A dark sky, a friend and a flashlight to point out Milky Way sights.
November 22, 2016
Moon near First Point in Aries
The November 10, 2016, moon is near the First Point of Aries on the sky's dome. How to spot it, and what it means.
November 10, 2016
Science fights to control fire ants
Thinking of the ant colony as a superorganism, entomologist Patricia Pietrantonio is searching for the master regulator genes that may help control them.
October 30, 2016
