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Posts by
Deborah Byrd
Planet-sized object has temp like Arizona summer day
The white dwarf WD 0806-661 has an orbiting brown dwarf companion - a planet-sized object - whose surface temperature is in a range comprehensible to us humans.
October 21, 2011
Near-Earth asteroid spotted by amateurs
In this post, learn about the first near-Earth asteroid by amateur astronomers. The amateurs spotted the asteroid - named 2011 SF108 - in September 2011
October 13, 2011
Canary Islands volcanic threat eases, officials say
There have been at least two confirmed eruptions of undersea volcanoes in Spain's Canary Islands this week, with more than 600 people evacuated.
October 13, 2011
First-ever Arctic ozone hole: How it formed, what it may mean
Scientists first observed an ozone hole over Antarctica in the mid-1980s. But in 2011 - for the first time - an ozone hole opened over the northern Arctic.
October 11, 2011
Uranus knocked sideways by series of small bumps?
Conventional wisdom said a single blow caused Uranus to lie sideways in the plane of the solar system. But maybe the cause was several small bumps instead.
October 10, 2011
October 2011 Draconid meteor shower a winner!
Despite a bright moon, many people saw a good display of meteors in the Draconid meteor shower. Good job Canadian astronomer, Paul Wiegert!
October 9, 2011
Triple and quadruple rainbows in 1st-ever photos
We now have the first scientifically accepted photos of triple and quadruple rainbows. For some, it's as if we've captured a picture of a real unicorn.
October 9, 2011
Dramatic Draconid meteor shower for October 8, 2011?
The prediction for October 8 Draconid meteor storm favors all of Europe, North Africa, and the Middle East. A bright moon will interfere.
October 8, 2011
Stewardship by fire in South African park restores grassland
Newly released NASA images show good Earth stewardship - via fire - in Kruger National Park in South Africa. Read more about it here.
October 5, 2011
Real-life clan of cave bear had child artists
If you have seven minutes, please watch this fascinating video about the art of the Rouffignac caves in France, made by people 13,000 years ago.
October 3, 2011
