Skip to main content

and
  1. No Access

    Article

    Earth encounters as the origin of fresh surfaces on near-Earth asteroids

    The 'ordinary chondrite problem' has been a factor in Solar System astronomy for three decades. It refers to the apparent anomaly that whereas about 80% of the meteorites falling to Earth are 'ordinary chondri...

    Richard P. Binzel, Alessandro Morbidelli, Sihane Merouane, Francesca E. DeMeo in Nature (2010)

  2. No Access

    Article

    Semi-annual oscillations in Saturn’s low-latitude stratospheric temperatures

    Both Earth and Jupiter have equatorial oscillations in their atmospheres, with two-year and four-year periodicity respectively. Two groups working independently now report a related phenomenon on Saturn. Orton et...

    Glenn S. Orton, Padma A. Yanamandra-Fisher, Brendan M. Fisher, A. James Friedson in Nature (2008)

  3. No Access

    Article

    The 20-µm brightness temperature of the unilluminated side of Saturn's rings

    The 20-µm brightness temperature of the unilluminated (north) side of Saturn's rings is reported here to be 56±1 K. This measurement, together with previous measurements of the rings at 20 µm, shows that the b...

    Alan T. Tokunaga, John Caldwell, Ira G. Nolt in Nature (1980)