June 10, 2010
Between 1969 and 1971, NCAR scientist John Eddy set out to archive an important part of the history of both photography and astronomy. Eddy collected more than 100 pictures of total solar eclipses taken from the late 1800s into the mid-1900s.
Alice Lecinski, Phil Judge, and Don Kolinski
June 10, 2010
NCAR’s Coronal Multichannel Polarimeter (CoMP) found a new home early this year on Hawaii’s Mauna Loa, a high-elevation paradise for astronomical observers.
NCAR Mauna Loa Solar Observatory
February 22, 2010
Solar scientists have long debated why the Sun's corona, or atmosphere, is millions of degrees hotter than its surface. Images retrieved by the Hinode satellite, launched in 2006, are shining some light on this paradox.
The Sun's surface.
January 15, 2010
If the last few years have seen a so-called quiet Sun, its silence has spoken volumes. Researchers have taken advantage of a raft of new sensors and a special observing campaign to learn much about what happens when the sun temporarily powers down.
UCAR Magazine
January 10, 2010
The solar minimum that bottomed out from 2006 to 2010 was the longest and deepest since modern space observations began. Among other effects, it reorganized the areas of flux from open magnetic field lines that produce solar wind.
A diagram of the Sun.
September 21, 2009
The public is keenly interested in the Sun and its doings. “Sunspots” is one of the most frequent search terms bringing visitors to the NCAR/UCAR website.
September 11, 2009
In a breakthrough that will help scientists unlock mysteries of the Sun and its impacts on Earth, an international team of scientists from NCAR and the Max Planck Institute for Solar System Research has created the first-ever comprehensive computer model of sunspots.
UCAR Magazine
July 02, 2009
An experimental modeling study by a team of scientists that includes NCAR’s Hanli Liu (High Altitude Observatory) points to the propagation of waves upward from the lower atmosphere as a driver for variability in the ionosphere. The research is an important step toward better understanding space weather.
Cirrocumulus clouds
June 18, 2009
In a breakthrough that will help scientists unlock mysteries of the Sun and its impacts on Earth, an international team of scientists led by NCAR has created the first-ever comprehensive computer model of sunspots.
Color visualization of a sunspot's umbra and penumbra
June 01, 2009
Travis Metcalfe, NCAR's High Altitude Observatory • How common are planets like Earth around other stars like the Sun? Are we unique, rare, or typical in that regard? Metcalfe likes asking big questions.
Photo of Travis Metcalfe
May 20, 2009
A new technique developed at NCAR will help asteroseismologists learn about stars from their oscillations, or “starquakes.” These variations in the brightness of stars reveal information about their internal structures.
Kepler satellite orbiting the Sun
March 11, 2009
NCAR scientists are working on a bigger, bolder version of WACCM (the Whole Atmosphere Community Climate Model), called WACCM-eXtension, or WACCM-X for short. The enhanced version extends the model to an altitude of about 310 miles.
Coronal mass ejection
September 01, 2007
Hector Socas-Navarro, NCAR's High Altitude Observatory • When this astrophysicist was 10 years old, he watched Cosmos, Carl Sagan's famous television series about the universe and our place in it. It was then that Socas-Navarro decided to become a scientist.
Photo of Hector Socas-Navarro
July 02, 2006
Maura Hagan, NCAR's Advanced Study Program • Maura studies the physics of Earth's upper atmosphere. In particular, she looks at atmospheric tides and their effects throughout the atmosphere.
Maura Hagan
July 01, 2005
Aimee Norton, NCAR's High Altitude Observatory • "Astronomy is a great way to study space without actually going there. It's fun to get new data, analyze graphs, and decipher the secrets of the Sun."
Photo of Aimee Norton
August 01, 2004
Tim Brown, NCAR's High Altitude Observatory • Brown has been interested in stars ever since he was a child reading about the launch of Sputnik and other satellites in the 1950s. "I can't remember wanting to be anything but an astronomer," he says.
Photo of Tim Brown


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