KC AstroEvents 1999

November 1999
Leonids Meteor Storm

May 1999: 
SETI@home launched!

February 1999: 
PLUTO is NOT a planet??

AstroNews
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November 1999

Shooting Stars

Leonids Meteor Storm
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CometHere we go again! Just like last year, this could be a killer year for a LEONIDS meteor storm (not shower, STORM!!).  November 18 after 1 AM you need to LOOK UP (night of wed. going on thu.)! Especially if you are in Europe.

If you remember what happened a year ago then you know that the LEONID meteor shower is hard to predict. There could be a spectacular display of shooting stars in the early hours of Thursday morning, November 18 European time (1-4 AM Wednesday night).

The Leonids are what we see when the Earth plunges through the dusty debris left by comet Tempel-Tuttle, which orbits the Sun every 33 years.

Small fragments no larger than a grain of sand scorch through our atmosphere at 72 km/s (150,000 mph) and burn up. This produces a streak of light in the sky. Presto - a shooting star!

The Leonids are so-called because they appear to come out of that part of the sky that includes the constellation Leo (the Lion). Last year the Leonids turned up 16 hours ahead of schedule to the annoyance of skywatchers who missed them. The best displays have featured thousands of shooting stars per hour (!!), as in 1866 and 1966. 1999 could also be another great year. If you venture out in search of Leonids tell us about it! We'll gather your stories in AstroNews.

NASA will send a mission to fly under the breaking meteor storm. Fifty scientists on two aircraft packed with equipment will make observations on a journey above the clouds - as described on the Leonid Mac site - see the link below.

Preparing for the 1999 Leonids
meteorhttp://www.imo.net/leo99

Best View of the Leonid Shower: Leonid Mac '99
meteorhttp://leonid.arc.nasa.gov

Leonid Storm
meteorhttp://www.leonidstorm.com

LeonidsLive.com - Science news and live webcasts
meteorhttp://www.leonidslive.com

Sky & Telescope's Meteor Page
meteorhttp://www.skypub.com/sights/meteors/meteors.shtml

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May 1999dish

SETI@home

SETI@home
SETI 
comes 
to 
your 
home!
SETI@home screen
SETI@home screen
Now you can search for extraterrestrial life on your own computer at home!

UC Berkeley scientists have developed a program for everyone on the net to join SETI in their Search for Extraterrestrial Intelligence.

SETI@home
Check out SETI@home and download the software! The search has begun and your computer can help!

We got the software and hope everyone who wants to be first to discover extraterrestrials does too!dish
SETI@home

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SETI@home is a scientific experiment that harnesses the power of hundreds of thousands of Internet-connected computers in the Search for Extra-Terrestrial Intelligence (SETI). You can participate by running a program that downloads and analyzes radio telescope data. There's a small but captivating possibility that your computer will detect the faint murmur of a civilization beyond Earth. 

SETI@home was launched in May 1999. To join the mailing list, please enter your full email addressand . SETI@home will notify you when the free SETI@home software is available for downloading. Versions for the PC, Mac and Unix are now available.
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February 1999

Pluto Paradox

PLUTO is NOT a planet??
Hubble Telescope image of Pluto

On February 11, 1999 Pluto once again re-gains its status as the most far-out planet in the Solar System.  For the past 20 years, Pluto's oblong orbit has brought it closer to the Sun than planet Neptune. In other words, whether or not you knew it, since 1979, the order of the planets from the Sun has been: 
Mercury-Venus-Earth-Mars-Jupiter-Saturn-Uranus-Pluto-Neptune

Apart from today's lunchtime factoid, the recent rumors that Pluto may NOT be a planet are all true. All news items to the contrary (from scientists and civilians, alike) are motivated by sentimental feelings and not by cogent scientific reasoning. 

Of a dozen or so arguments against Pluto's planet status, the strongest is that since 1992, dozens of icy objects have been found in the Solar System that more closely resemble Pluto in composition, size, and orbit than either Pluto or these objects resemble the other eight planets. 

We have always known Pluto was wierd -- especially when you realize that if Pluto were brought to the same distance from the Sun as Earth, it woud grow a tail.  One can hardly consider this to be respectable behavior for a planet.

So, like the ugly duckling, Pluto turned out to be another species entirely -- a breed of comet that lives in the outer solar system, never venturing near the Sun.

On its way past Neptune, blow it a kiss it good bye, and offer it a moment of silence. It served us well all these years.

Sincerely,
Neil deGrasse Tyson
Frederick P. Rose Director, Hayden Planetarium

Hubble Telescope image of Pluto


 
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