Space - page 88

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M2.5 solar flare, CME expected on June 9 and 10

On June 7th at 0641 UT, magnetic fields above sunspot complex 1226-1227 became unstable and erupted. The resulting blast produced an M2-class solar flare, an S1-class radiation storm, and an unbelievable movie:Much of the plasma thrown up by the blast simply fell

June 08, 2011

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Geomagnetic storm in progress, gigantic solar prominences

Amateur astronomers around the world are reporting strong activity on the limb of the sun. The prominences on June 4th were gigantic. Prominences are clouds of hot plasma

June 05, 2011

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A sharp gust of solar wind hit Earth's magnetic field

A sharp gust of solar wind hit Earth's magnetic field at approximately 20:30 UTC on June 4, 2011. High-latitude sky watchers in both hemispheres should be alert for auroras. Solar windspeed: 495.9 km/secdensity: 2.6 protons/cm3 Planetary K-indexNow: Kp= 5...

June 04, 2011

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Co-orbital asteroid 2009BD flyby

Small asteroid 2009 BD is flying through the Earth-moon system today about 215,000 miles from Earth. The 10m wide space rock poses no threat to our planet, but it is of acute scientific interest."It's notable because it remains close to Earth for months at a time and

June 02, 2011

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Water content of lunar magma is 100 times higher than previous studies suggested

A team of NASA-funded researchers has measured for the first time water from the moon in the form of tiny globules of molten rock, which have turned to glass-like material trapped within crystals. Data from these newly-discovered lunar melt inclusions indicate the

May 28, 2011

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Moderate geomagnetic storm is in progress

A solar wind stream is buffeting Earth's magnetic field, sparking Southern Lights around the Antarctic Circle. Ian Stewart sends this picture to SpaceWeather.com from a jetty near Hobart, Tasmania:"Not long after sunset a friend rang to ask whether a faint arc of

May 28, 2011

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Brittish Secretary of Defence: Solar flares storm could paralyse UK

British Defence Secretary Liam Fox will next week attend a summit of scientists and security advisers who believe the infrastructure that underpins modern life in Western economies is potentially vulnerable to electromagnetic disruption.Blogger’s and scientists

May 22, 2011

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New satellite tracking tools - WhatSat Satellite Explorer

Have you ever wondered, what's orbiting over your head right now? A new satellite-tracking tool called WhatSat can answer that question for you. It's an app for Android phones

May 17, 2011

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Planetary triangle seen on sky this morning

Another day, another alignment of planets. "This morning, May 14th, the 'planetary triangle' created by Venus, Jupiter and Mercury adorned the eastern sky behind my nearby mosque," reports Shahrin Ahmad, who snapped this picture from his rooftop observatory of Sri

May 14, 2011

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Sundiving comet and coronal mass ejection

A comet dove into the sun on May 11th and seemed to trigger a massive eruption. Watch the movie, then scroll down for further discussion. A comet goes in; a CME comes out. Coincidence? Probably, yes, the sequence was coincidental. The comet disintegrated

May 12, 2011

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Comet hit the Sun?

A comet just discovered by amateur astronomer Sergey Shurpakov is diving past the sun today, and it will probably not survive. Click here to view a movie of the death plunge recorded by the Solar and Heliospheric Observatory--and check back for updates in the hours

May 11, 2011

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Spectacular CME, active region approaching Earth

A sunspot located just behind the sun's eastern limb erupted during the waning hours of May 9th, hurling a spectacular coronal mass ejection into space: movie. NASA's Solar Dynamics Observatory photographed hot magnetic loops towering over the edge of the sun in the

May 11, 2011

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Watch tonight for Eta Aquarid meteor shower!!!

Bits and pieces of the famous Halley's Comet will light up the overnight sky in a promising meteor shower, weather permitting, skywatching experts say.The annual Eta Aquarid meteor shower will peak early tomorrow morning (May 6) and is expected to put on a

May 06, 2011

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SkyWatchers: Great Morning Planet Show!

The Great Morning Planet Show of May 2011 is underway. Every morning for the rest of this month, you can see a beautiful gathering of four planets in the eastern sky. They are Mars, Jupiter, Venus and Mercury, shown here on May 1st over Magnetic Island in east

May 03, 2011

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Asteroid impacts in Antarctica

In a controversial study, gravity maps of the Antarctic continent have revealed what could be multiple asteroid impact sites. Gravity anomalies in Antarctica might mark spots where hundreds of thousands of years ago the frozen continent was struck by giant...

May 02, 2011

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Sky watchers be ready for meteor shower from Halley's Comet on May 6th

Get up in the wee hours of the morning May 6th and head out into the country, far from the city lights so you can observe eta Aquarid meteor shower. The eta Aquarids are best viewed from the southern hemisphere, but there's something special about them no matter...

April 28, 2011

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Envisat view of Earth pt.1 (Video)

Recently lost ENVISAT still shows no signs of "life". While satellite observing community wait for some news lets take a look at breathtaking imagery of land and oceans by Envisat's optical and radar instruments. The satellite is orbiting 497 miles above the

April 24, 2011