Space
Cool Movie: SDO Destroys a Sundog
NASA's Solar Dynamics Observatory amazed onlookers last week when it flew past a sundog and destroyed it. Must-see videos of the event captured shock waves from the rocket billowing through the sundog, eliciting cries of delight and amazement from the crowd below.
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Source: Science @ NASA Feature Stories Podcast | 17 Feb 2010 | 11:00 pm
3D Sun for the iPhone
Imagine holding the entire sun in the palm of your hand. Now you can. A new iPhone app developed by NASA-supported programmers delivers a live global view of the sun directly to your cell phone.
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Source: Science @ NASA Feature Stories Podcast | 16 Feb 2010 | 11:00 pm
Are TGFs Hazardous to Air Travelers?
Terrestrial gamma-ray flashes (TGFs) surge through thunderstorms at about the same altitude where commercial airliners fly. Do these blasts of gamma-radiation pose a hazard to air travelers?
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Source: Science @ NASA Feature Stories Podcast | 9 Feb 2010 | 11:00 pm
Solar Dynamics Observatory: The 'Variable Sun' Mission
The Solar Dynamics Observatory (SDO), slated for liftoff on Feb. 9th, will make IMAX-quality movies of solar explosions, peer beneath the stellar surface to see the sun's inner dynamo, and--researchers hope--unravel the mysteries of solar variability.
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Source: Science @ NASA Feature Stories Podcast | 4 Feb 2010 | 11:00 pm
Hubble Sees Suspected Asteroid Collision
NASA's Hubble Space Telescope has observed a mysterious X-shaped debris pattern and trailing streamers of dust that suggest a head-on collision between two asteroids.
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Source: Science @ NASA Feature Stories Podcast | 1 Feb 2010 | 11:00 pm
Firefly Mission to Study Terrestrial Gamma-ray Flashes
There's a mystery in the skies of Earth: Something is producing bright flashes of gamma radiation in the upper atmosphere of our own planet. A new NASA-NSF mission called Firefly is going to investigate.
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Source: Science @ NASA Feature Stories Podcast | 28 Jan 2010 | 11:00 pm
Spirit is Now a Stationary Science Platform
NASA announced today that Mars rover Spirit cannot be freed from its Martian sandtrap. Now the rover will begin a second career as a stationary science platform.
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Source: Science @ NASA Feature Stories Podcast | 25 Jan 2010 | 11:00 pm
Close Encounter with Mars
This week Earth and Mars are having a close encounter. On Jan. 27th, the Red Planet will be only 99 million kilometers away and look bigger through a telescope than at any time between 2008 and 2014.
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Source: Science @ NASA Feature Stories Podcast | 25 Jan 2010 | 11:00 pm
Mystery of the Giant Ribbon, Solved?
Evidence is mounting that a strong magnetic field lurks just beyond the edge of the solar system. This could explain the recent discovery of a "giant ribbon" in space by NASA's IBEX spacecraft.
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Source: Science @ NASA Feature Stories Podcast | 14 Jan 2010 | 11:00 pm
Alien Planet Safari
NASA's next great observatory, the James Webb Space Telescope, is designed to study stars and galaxies. Astronomers are beginning to realize, however, that Webb will make a great planet hunter too.
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Source: Science @ NASA Feature Stories Podcast | 13 Jan 2010 | 11:00 pm
PICK OF THE WEEK: CME Lashes Out
STEREO (Ahead) watched as a strong coronal mass ejection (CME) and an eruptive prominence rose up and stretched way out above the Sun's surface...Source: SOHO News |
PICK OF THE WEEK: Now you see it, now you don't (February 26, 2010)
SOHO has been watching in extreme UV wavelength as a very long, magnetic filament (approaching one million km), quickly disappeared...Source: SOHO News |
PICK OF THE WEEK: Valentine Flare and CME
The STEREO Ahead spacecraft kept a close eye on two active regions on Feb. 12, 2010. The one on the left popped off a small flare...Source: SOHO News |
PICK OF THE WEEK: NASA Successfully Launches a New Eye on the Sun
The Solar Dynamics Observatory (SDO) lifted off Thursday, Feb. 11, 2009, from Cape Canaveral Air Force Station on a first-of-a-kind mission to reveal the sun's inner workings in unprecedented detail, comparable to super...Source: SOHO News |
PICK OF THE WEEK: Sliding Plasma and a CME
The STEREO (Behind) spacecraft could see streams of plasma sliding along magnetic field lines above a sputtering active region...Source: SOHO News |
PICK OF THE WEEK: Extensions into the Upper Solar Atmosphere
With two active regions (brighter areas) in profile almost diametrically apart, SOHO got a good view of the extensive areas above the Sun influenced by the powerful magnetic fields...Source: SOHO News |
PICK OF THE WEEK: Largest Flare in Two Years
STEREO (Behind) was in position to observe an M-class (moderate) solar flare (Jan. 17, 2010), the largest one detected for more than two years. It was accompanied by a coronal mass ejection...Source: SOHO News |
PICK OF THE WEEK: Curling, Twirling Prominence
STEREO (Behind) spacecraft caught this very unstable solar prominence as it gyrated for three days, as seen in profile above the Sun's surface...Source: SOHO News |
PICK OF THE WEEK: One Less Comet
The SOHO spacecraft captured the arcing orbit of a sungrazing comet as it approached the Sun (Jan. 3, 2010) and evaporated. The comet is believed to belong to the...Source: SOHO News |
PICK OF THE WEEK: Zipping and zapping
With an active region in profile just at the Sun's edge, the STEREO (Ahead) spacecraft could see it thrust out about a dozen narrow streams of particles...Source: SOHO News |
This is a test of the emergency broadcast system. This is only a test… beeeeeeeeeeeeeeeeeeeeeeeeeep!