eine kleine Jupitermagnetospheremusik / the Music of the Magnetosphere / ooooooEEEEEEEuuuuuuu

Full Screen mode, then Play.

In two distinct encounters in recent days,

* the postal delivery person brought me a very pretty postcard from a friend in Nepal and

* the NASA space probe Juno pierced the magnetosphere of the Gas Giant planet Jupiter.

Juno was Jupiter's wife, but he fooled around a lot, and had to turn human girls into swans when Juno unexpectedly showed up.

The magnetosphere is the zone surrounding Jupiter which contains Jupiter's magnetic field. Jupiter's magnetic field is intense, powerful, so the magnetosphere extends far from the planet itself. 

(Juno will go into orbit around Jupiter on 4 July. I don't know if some Flag-Simple nerd planned it that way, or if it's just an accident of the necessary mechanics of sending robots to other planets. Probably it's just a coincidence.)

For further details about how far Jupiter's magnetosphere extends from Jupiter, q.v. The Law of Inverse Squares.)

Click to enlarge.

Juno sensed this event in several sensitive ways (but the fundamental new sensitivity is that we've never sent a machine this close and intimately to Jupiter before), sent the data back to Earth, and computers and their pet boffins turned it into music. Music from Jupiter of Juno's encountering Jupiter's magnetosphere. Click on the video at post top to hear the tune.

(Notice that this was mirrored on gamespot.com .)

ESA Philae successfully lands on Comet 67P/Churyumov-Gerasimenko! / Philae images as soon as Vleeptron can filch them!

The comet lander Philae has successfully landed on Comet 67P/Churyumov-Gerasimenko and signalled mission control in Darmstadt, Germany. (The one-way radio transmission to Earth takes 28 minutes.)

This summary is from NASA, which has instruments aboard the European Space Agency Rosetta space probe.

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Earlier this morning, the European Space Agency's Rosetta Mission deployed its comet lander, Philae. Seven hours later at 11 a.m. EST, the experiment-laden, harpoon-firing Philae is set to touch down on the surface of comet 67P/Churyumov-Gerasimenko.

It will be the first time in history that a spacecraft has attempted a soft landing on a comet. Rosetta is an international mission led by the European Space Agency (ESA), with instruments provided by its member states, and additional support and instruments provided by NASA.

NASA Television will provide live coverage from 9-11:30 a.m. EST of Rosetta scheduled landing of a probe on a comet today. NASA's live commentary will include excerpts of the ESA coverage and air from 9-10 a.m. EST. NASA will continue carrying ESA's commentary from 10-11:30 a.m. EST. ESA’s Philae (fee-LAY) lander is scheduled to touch down on comet 67P/Churyumov-Gerasimenko at 10:35 a.m. EST.  A signal confirming landing is expected at approximately 11:02 a.m. EST.

After landing, Philae will obtain the first images ever taken from a comet's surface. It also will drill into the surface to study the composition and witness close up how a comet changes as its exposure to the sun varies. Philae can remain active on the surface for approximately two-and-a-half days. Its “mothership” is the Rosetta spacecraft that will remain in orbit around the comet through 2015. The orbiter will continue detailed studies of the comet as it approaches the sun and then moves away. NASA has three of the 16 instruments aboard the orbiter.

Comets are considered primitive building blocks of the solar system that are literally frozen in time. They may have played a part in "seeding" Earth with water and, possibly, the basic chemical ingredients for life.

Watch NASA TV online at: http://www.nasa.gov/nasatv