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Dario Izzo

Proposed mission to Jupiter system achieves milestone - 1 views

www.sciencedaily.com/...110204205538.htm

life MAD

shared by Dario Izzo on 11 Feb 11 - No Cached
  • Dario Izzo on 11 Feb 11
     
    Understanding life is the scientific focus of the next Europa/Ganimede mission!
  • LeopoldS on 12 Feb 11
     
    the objective is rather the study of "emergence of habitable worlds", which of course includes understanding of life and what habitability is ...
  • LeopoldS on 12 Feb 11
duncan barker

Can WISE find the hypothetical 'Tyche'? - 0 views

www.physorg.com/...2-wise-hypothetical-tyche.html

shared by duncan barker on 24 Feb 11 - No Cached
  • duncan barker on 24 Feb 11
     
    "In November 2010, the scientific journal Icarus published a paper by astrophysicists John Matese and Daniel Whitmire, who proposed the existence of a binary companion to our sun, larger than Jupiter, in the long-hypothesized "Oort cloud" -- a faraway repository of small icy bodies at the edge of our solar system. The researchers use the name "Tyche" for the hypothetical planet. Their paper argues that evidence for the planet would have been recorded by the Wide-field Infrared Survey Explorer (WISE)."
Francesco Biscani

DIRECT - Wikipedia, the free encyclopedia - 0 views

en.wikipedia.org/DIRECT

shared by Francesco Biscani on 29 Jul 09 - Cached
  • DIRECT is a proposed alternative Shuttle-Derived Launch Vehicle architecture supporting NASA's Vision for Space Exploration, which would replace the space agency's planned Ares I and Ares V rockets with a family of launch vehicles named "Jupiter."
  • DIRECT is advocated by a group of space enthusiasts that asserts it represents a broader team of dozens of NASA and space industry engineers who actively work on the proposal on an anonymous, volunteer basis in their spare time.
  • Francesco Biscani on 29 Jul 09
     
    Just read about this, it looks like an interesting example of bottom-up innovation and self-organization.
Joris _

Evidence of Liquid Water on Enceladus Found - Cassini data have been used to reach this... - 0 views

news.softpedia.com/...n-Enceladus-Found-117347.shtml

planets water

shared by Joris _ on 28 Jul 09 - Cached
  • pacome delva on 28 Jul 09
     
    cool let's go find life on enceladus! oh no we are going to Jupiter first... no more saturn before... 20...30...years !?
Joris _

Report: Planets will collide in 5 billion years - 0 views

www.sfgate.com/...article.cgi

astrodynamic space planets

shared by Joris _ on 11 Jun 09 - No Cached
  • Mercury, Mars, Venus and Earth to smash into each other, either one at a time or all at once
  • by the end of that same 5 billion years the sun will have burned up its hydrogen and in a cooler state will inflate itself
  • the great "gas giants" of the outer solar system - Jupiter, Saturn, Uranus and Neptune - are extremely stable in their orbits, so they could remain where they are for a much longer time
  • Joris _ on 11 Jun 09
     
    Interesting, but obviously something is wrong. How the big giants can remain still if the inner planets and the sun vanish at the same time !
zoervleis

Ancient Babylonian astronomers calculated Jupiter's position from the area under a time... - 2 views

science.sciencemag.org/...482

shared by zoervleis on 29 Jan 16 - No Cached
LeopoldS liked it
  • zoervleis on 29 Jan 16
     
    Ancient Babylonian astronomers developed many important concepts that are still in use, including the division of the sky into 360 degrees. They could also predict the positions of the planets using arithmetic. Ossendrijver translated several Babylonian cuneiform tablets from 350 to 50 BCE and found that they contain a sophisticated calculation of the position of Jupiter.
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