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posted by Fnord666 on Wednesday September 20 2017, @06:47PM   Printer-friendly
from the i'll-be-your-tour-guide dept.

Submitted via IRC for SoyCow1937

Researchers at the Finnish Meteorological Institute (FMI) presented a mission plan today at the European Planetary Science Congress that would allow scientists to observe hundreds of asteroids over the course of just a few years. Their plan is to send 50 nanoprobes -- small space instruments -- into the asteroid belt that lies between Mars and Jupiter to take images and chemical measurements of around 300 large asteroids. "Asteroids are very diverse and, to date, we've only seen a small number at close range. To understand them better, we need to study a large number in situ. The only way to do this affordably is by using small spacecraft," FMI's Pekka Janhunen told Popular Mechanics.

The five kilogram probes would be affixed with a tiny telescope and a spectrometer that would analyze chemical samples from the asteroids. The nanoprobes would be propelled through space with electric solar wind sails, or E-sails. The E-sail would be composed of the main spacecraft, a smaller remote unit and a 20-kilometer-long tether that connects the two. That tether would be kept at a positive charge so that when positive ions emitted by the sun and traveling through space come in contact with it, they'll repel each other, giving the probe a nice boost.

[...] You can read the conference paper here.

Source: https://www.engadget.com/2017/09/19/scientists-explore-asteroids-fleet-nanoprobes/


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  • (Score: 3, Insightful) by edIII on Wednesday September 20 2017, @07:07PM (1 child)

    by edIII (791) on Wednesday September 20 2017, @07:07PM (#570790)

    The five kilogram probes

    I don't think Seven of Nine would've looked as hot with millions of five kilogram probes running through her though....

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  • (Score: 2) by wonkey_monkey on Wednesday September 20 2017, @07:19PM

    by wonkey_monkey (279) on Wednesday September 20 2017, @07:19PM (#570808) Homepage

    I know they were big, but I don't think her "probes" weighed 5kg.

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