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WEEKEND SUNSPOT: Sunspots store energy in the high-tension twists and turns of their magnetic fields. During the late hours of Jan. 9th, the magnetic field of sunspot 1395 untwisted. The result was a C2.6-class solar flare and this movie from the Solar Dynamics Observatory:

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The eruption did not produce a significant CME. Nor did the flash of UV radiation make big waves of ionization in Earth's atmosphere. It was not a geoeffective event.​

Having untwisted, the magnetic field of AR1395 is now temporarily relaxed. Solar activity remains low and AR1395 is unlikely to break the quiet. Solar flare alerts: text, voice.


SpaceWeather.com -- News and information about meteor showers, solar flares, auroras, and near-Earth asteroids​

 

Coronal Holes: 10 Jan 12 <table width="100%" border="0" cellpadding="0" cellspacing="0"> <tbody><tr> <td></td> </tr> </tbody></table> <table width="100%" border="0" cellpadding="0" cellspacing="0"> <tbody><tr> <td></td> </tr> </tbody></table> A minor solar wind stream flowing from the indicated coronal hole should reach Earth on Jan. 13-14. Credit: SDO/AIA.

 

<table style="color: rgb(0, 0, 0); font-family: arial, sans-serif; font-size: 13px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; background-color: rgb(204, 255, 204); " bgcolor="#CCFFCC" border="0" cellpadding="5" cellspacing="0" cols="0" width="100%"><tbody><tr><td rowspan="1" colspan="1" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; " align="right">January 10, 2012
</td></tr></tbody></table><table style="color: rgb(0, 0, 0); font-family: arial, sans-serif; font-size: 13px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; background-color: rgb(204, 255, 204); margin-bottom: 5px; display: table; " height="375" border="0" cellpadding="5" cellspacing="0" width="100%"><tbody><tr style="text-align: center; " align="center"><td rowspan="1" colspan="1" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font-family: arial, sans-serif; background-color: rgb(153, 153, 0); color: rgb(242, 238, 121); text-align: center; font-size: 18pt; " align="center" bgcolor="#999900" width="99%">

Powerful 7.3 Quake Hits Near Sumatra​

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No Tsunami Warning Issued ​

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</td></tr><tr><td rowspan="1" colspan="2" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font-family: arial, sans-serif; text-align: left; " align="left">by Mitch Battros - Earth Changes Media

The Indonesian government has lifted a tsunami warning issued after a 7.3 magnitude earthquake struck off the coast of Sumatra.

The quake hit at a depth of 29 kilometers, 420km south-west of Banda Aceh, the US Geological Survey said.
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The Pacific Tsunami Warning Center had issued a statement saying that while a widespread tsunami threat did not exist, coasts near the epicenter could be affected by a tsunami.
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จุดดับลดลงโดยฉับพลัน จาก 90 ไป 64

Daily Sun: 10 Jan 12 <table width="100%" border="0" cellpadding="0" cellspacing="0"> <tbody><tr> <td></td> </tr> </tbody></table> <table width="100%" border="0" cellpadding="0" cellspacing="0"> <tbody><tr> <td></td> </tr> </tbody></table> Sunspots 1391 and 1393 have 'beta-gamma' magnetic fields that harbor energy for M-class solar flares. Credit: SDO/HMI
<table width="100%" border="0" cellpadding="0" cellspacing="0"> <tbody><tr> <td></td> </tr> </tbody></table> <table width="100%" border="0" cellpadding="0" cellspacing="0"> <tbody><tr> <td></td> </tr> </tbody></table> Sunspot number: 90

Daily Sun: 11 Jan 12 <table width="100%" border="0" cellpadding="0" cellspacing="0"> <tbody><tr> <td></td> </tr> </tbody></table> <table width="100%" border="0" cellpadding="0" cellspacing="0"> <tbody><tr> <td></td> </tr> </tbody></table> Sunspot 1393 has a 'beta-gamma' magnetic field that harbors energy for M-class solar flares. Credit: SDO/HMI
<table width="100%" border="0" cellpadding="0" cellspacing="0"> <tbody><tr> <td></td> </tr> </tbody></table> <table width="100%" border="0" cellpadding="0" cellspacing="0"> <tbody><tr> <td></td> </tr> </tbody></table> Sunspot number: 64

จุดดับลดลงโดยฉับพลัน 12 มค จาก 90 เป็น 64 (ลองดูอีก 3 วันว่าจะเกิดอะไรขึ้น 15 มค)

 

ช่วงนี้เหมือนมีอะไรตรงดวงอาทิตย์เยอะ แต่โดนรีทัช

 

Kepler Discovers a Tiny Solar System

Jan. 11, 2012: Astronomers using data from NASA's Kepler mission have discovered the three smallest planets yet detected orbiting a star beyond our sun. The planets orbit a single star, called KOI-961, and are 0.78, 0.73 and 0.57 times the radius of Earth. The smallest is about the size of Mars.
"This is the tiniest solar system found so far," said John Johnson, the principal investigator of the research from NASA's Exoplanet Science Institute at the California Institute of Technology in Pasadena. "It's actually more similar to Jupiter and its moons in scale than any other planetary system. The discovery is further proof of the diversity of planetary systems in our galaxy."
This artist's concept depicts an itsy bitsy planetary system -- so compact, in fact, that it's more like Jupiter and its moons than a star and its planets. Astronomers using data from NASA's Kepler mission and ground-based telescopes recently confirmed that the system, called KOI-961, hosts the three smallest exoplanets known so far to orbit a star other than our sun. [more]

All three planets are thought to be rocky like Earth, but orbit close to their star. That makes them too hot to be in the habitable zone, which is the region where liquid water could exist. Of the more than 700 planets confirmed to orbit other stars -- called exoplanets -- only a handful are known to be rocky.
"Astronomers are just beginning to confirm thousands of planet candidates uncovered by Kepler so far," said Doug Hudgins, Kepler program scientist at NASA Headquarters in Washington." Finding one as small as Mars is amazing, and hints that there may be a bounty of rocky planets all around us."

Kepler searches for planets by continuously monitoring more than 150,000 stars, looking for telltale dips in their brightness caused by crossing, or transiting, planets. At least three transits are required to verify a signal as a planet. Follow-up observations from ground-based telescopes also are needed to confirm the discoveries.

The latest discovery comes from a team led by astronomers at the California Institute of Technology in Pasadena. The team used data publicly released by the Kepler mission, along with follow-up observations from the Palomar Observatory, near San Diego, and the W.M. Keck Observatory atop Mauna Kea in Hawaii. Their measurements dramatically revised the sizes of the planets from what originally was estimated.

The three planets are very close to their star, taking less than two days to orbit around it. The KOI-961 star is a red dwarf with a diameter one-sixth that of our sun, making it just 70 percent bigger than Jupiter.
'Honey I Shrunk the Planetary System': This artist's concept compares the KOI-961 planetary system to Jupiter and the largest four of its many moons. Image credit: NASA/JPL-Caltech [more]

Red dwarfs are the most common kind of star in our Milky Way galaxy. The discovery of three rocky planets around one red dwarf suggests that the galaxy could be teeming with similar rocky planets.

"These types of systems could be ubiquitous in the universe," said Phil Muirhead, lead author of the new study from Caltech. "This is a really exciting time for planet hunters."

For more information about the Kepler mission, visit: NASA - Kepler

Production Editor: Dr. Tony Phillips | Credit: Science@NASA​

 

Real-Life 'Tatooine': New 'Star Wars'-Like Planets With 2 Suns Found

By Charles Q. Choi
Published January 11, 2012
| Space.com






Real-Life 'Tatooine': New 'Star Wars'-Like Planets With 2 Suns Found | Fox News

 

กำลังมีระเบิดลูกใหญ่เลย

 

Coronal Holes: 12 Jan 12 <table width="100%" border="0" cellpadding="0" cellspacing="0"> <tbody><tr> <td></td> </tr> </tbody></table> <table width="100%" border="0" cellpadding="0" cellspacing="0"> <tbody><tr> <td></td> </tr> </tbody></table> A solar wind stream flowing from the indicated coronal hole should reach Earth on Jan. 16-17. Credit: SDO/AIA.

Coronal hole ใหญ่มั๊ก

SpaceWeather.com -- News and information about meteor showers, solar flares, auroras, and near-Earth asteroids

 

<table width="100%" border="0" cellpadding="0" cellspacing="0"> <tbody><tr> <td></td> </tr> </tbody></table> Solar wind
speed: 522.6 km/sec
density: 6.5 protons/cm³
explanation | more data
Updated: Today at 0234 UT

 

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