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Posts by
Deborah Byrd
Orbiting spacecraft shows Mars’ surprising shifting sands
An orbiting spacecraft shows sand dunes on Mars shift and move at about the same rate as earthly dunes. Yet Mars atmosphere is thin, and its winds are weak.
May 11, 2012
Cassini spacecraft to sweep near Saturn moon Enceladus on May 2
NASA's Cassini spacecraft will fly within about 46 miles (74 kilometers) of Saturn's moon Enceladus on May 2,2012. Yay! More images of this moon's mysterious jets!
May 2, 2012
Giant squid have such big eyes, why?
Giant squid have eyes the size of basketballs. Why? In the ocean, it's all about who wants to have you for dinner and to escape their mortal enemies, sperm whales.
May 1, 2012
Three planets – Mars, Saturn, Venus – at nightfall throughout May 2012
Three planets light up the sky as soon as darkness falls on these May 2012 nights. This post tells you how to spot them.
May 1, 2012
Al Gore at Hampshire College: Global warming is real
We sometimes see in the comments to EarthSky posts that Al Gore has "refuted" his claims about global warming. He has not.
April 30, 2012
NASA study: Texas wind farms cause local warming
A NASA study says part of west-central Texas covered by four large wind farms warmed at a rate of .72 degrees Celsius per decade in contrast to nearby regions without wind farms.
April 30, 2012
View from space: Dust storm in Gobi Desert
Dust from the Gobi Desert blew over eastern China on April 27, 2012. See the satellite image for a great view from space.
April 30, 2012
Tornado touches down near Toulouse, France on April 29
Only minor damage was reported including collapsed walls and uprooted trees. Meteorologic reported the tornado as an F1, which would mean winds of 73-112 mph.
April 29, 2012
Why was Venus so bright in late April and early May 2012?
Venus is at its brightest in late April and early May 2012. It's so bright it might surprise you. Some will report it as a UFO. But why so bright?
April 29, 2012
Pollution masked warming over eastern US in 20th century
A study suggests eastern U.S. was kept cooler than it would have been otherwise in 20th century due to a particular type of pollution from coal-fired power plants.
April 29, 2012
