Feeds

Shooting stars to dazzle in September...

...And this Sunday night

Top three mobile application threats

Diary marker This year, we have a rare chance to see the alpha Aurigids, the remnants of the ancient Comet Kiess.

On 1 September, the Earth will pass through an extremely fine band of dust and other debris left behind by Kiess when it passed the sun, way back in 83BC, which will light up the skies as the pieces tear into the atmosphere.

The meteors have been seen in in 1935, 1986 and 1994, according to New Scientist, but are unlikely to be back for another 50 years.

Meteor showers are the result of Earth passing through the trail of matter left behind when a comet approaches the sun, and crumbles and boils under its fierce glare. Most trails are left by short period comets, those that orbit the sun in less than 200 years, and have had a chance to build up into a broad band of shooting stars-in-waiting.

But the alpha Aurigids are almost unique because of Kiess' long orbital period. As it only passes near the sun every 2,000 years or so, its trail of cosmic breadcrumbs is very thin, meaning we pass through it much less frequently. Only one other meteor shower is known to be associated with a long-period comet.

Peter Jenniskens of NASA's Ames Research Centre, who along with Jérémie Vaubaillon at Caltech has calculated that we are in for a show, told NS that the band of debris is also influenced by Jupiter and Saturn's gravity, making it much harder to predict when it will return.

Speaking of short period comets, we must also note that this weekend will see the peak of the Perseid meteor showers. Of course, serious star-gazers will have been watching this show for weeks, but the merely star-curious might want to venture outside on Sunday night and tilt their eyes toward the heavens.

The Perseids are an annual show that begins towards the end of July as the Earth moves into the field of debris left behind by the tail of the comet Swift-Tuttle.

The showers are not expected to be anything like as exciting as in 2004, when we passed through a fresh strand of comet detritus and were treated to around 200 shooting stars every hour. But Reg staffers can confirm that the sky is being brightened, even now*, by the extraterrestrial fireworks, so Sunday night should be worth a look. ®

*Obviously, not in daylight

High performance access to file storage

More from The Register

next story
KILLER SPONGES menacing California coastline
Surfers are safe, crustaceans less so
Opportunity selfie: Martian winds have given the spunky ol' rover a spring cleaning
Power levels up 70 per cent as the rover keeps on truckin'
LOHAN and the amazing technicolor spaceplane
Our Vulture 2 livery is wrapped, and it's les noix du mutt
Liftoff! SpaceX Falcon 9 lifts Dragon on third resupply mission to ISS
SpaceX snaps smartly into one-second launch window
KILLER ROBOTS, DNA TAMPERING and PEEPING CYBORGS: the future looks bright!
Americans optimistic about technology despite being afraid of EVERYTHING
R.I.P. LADEE: Probe smashes into lunar surface at 3,600mph
Swan dive signs off successful science mission
Discovery time for 200m WONDER MATERIALS shaved from 4 MILLENNIA... to 4 years
Alloy, Alloy: Boffins in speed-classification breakthrough
prev story

Whitepapers

SANS - Survey on application security programs
In this whitepaper learn about the state of application security programs and practices of 488 surveyed respondents, and discover how mature and effective these programs are.
Combat fraud and increase customer satisfaction
Based on their experience using HP ArcSight Enterprise Security Manager for IT security operations, Finansbank moved to HP ArcSight ESM for fraud management.
The benefits of software based PBX
Why you should break free from your proprietary PBX and how to leverage your existing server hardware.
Top three mobile application threats
Learn about three of the top mobile application security threats facing businesses today and recommendations on how to mitigate the risk.
3 Big data security analytics techniques
Applying these Big Data security analytics techniques can help you make your business safer by detecting attacks early, before significant damage is done.