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Posts by
Editors of EarthSky
A tipping point for the spread of ideas?
Researchers say the tipping point where a minority belief becomes the majority opinion is at 10 percent. Read more about this tipping point.
July 27, 2011
New nebula discovered by amateur
An amateur astronomer from Austria helping with the Kepler search for planets like Earth finds a beautiful nebula -- Kronberger 61.
July 26, 2011
Largest, oldest mass of water in universe around a black hole
The cloud of water vapor - 140 trillion times more water than in Earth's oceans - is 12 billion light-years away and surrounds the black hole of quasar.
July 25, 2011
Carbon sequestration a surprise benefit of forest plan
When the U.S. Northwest Forest Plan stopped most tree cutting on public lands, the area became a carbon sink. Read more on carbon sequestration.
July 25, 2011
Does optimism help prevent stroke?
On a 16-point scale, each point increase in optimism correlated with a 9 percent reduction in stroke risk, according to a study by the University of Michigan.
July 22, 2011
Exoplanet aurora is out of this world
An exoplanet like a hot Jupiter, orbiting close to its sun, would likely have an aurora up to 1,000 times brighter than one on Earth. Read more on exoplanet aurora.
July 22, 2011
Got greenhouse gases? At Idaho dairy farm, answer is yes
Scientists monitored greenhouse gases emitted from a dairy farm in Idaho, with 10,000 milk cows. The farm generated 37,000 pounds of emissions daily.
July 21, 2011
Southern lights seen from space
Pictures taken from the International Space Station and from Antarctica show a stunning green aurora in July 2011. Read more about southern lights.
July 20, 2011
A cosmic superbubble
Nebula LHA 120–N 44 surrounds star cluster NGC 1929, appearing as a cosmic superbubble within the Large Magellanic Cloud. Read more and see the image.
July 20, 2011
Solar panels help shade and insulate buildings, study shows
Researchers at UC San Diego show how solar panels act like giant roof shades and insulators, keeping out sun in the summer and holding in heat in the winter.
July 20, 2011
