Amateur contributions to professional publications have increased exponentially over the
last decades in the field of planetary astronomy. Here we review the different domains of the …

Atmospheric electrification is not a purely terrestrial phenomenon: all Solar System planetary
atmospheres become slightly electrified by cosmic ray ionisation. There is evidence for …

ABSTRACT A re view of the re search lit erature concerning the en vi ron men tal con se
quences of in creased lev els of at mo spheric carbon di oxide leads to the con clusion that …

Stellar occultations—the passing of a relatively nearby body in front of a background star—
can be used to probe the atmosphere of the closer body with a spatial resolution of a few …

Both atmospheres of Pluto and Neptune's largest satellite Triton have cold surfaces with
surface gravitational accelerations and atmospheric surface pressures of comparable …

Context. Triton possesses a thin atmosphere, primarily composed of nitrogen, sustained by
the sublimation of surface ices. Aims. We aim at determining the composition of Triton's …

Over the last 20 years, Hubble Space Telescope Fine Guidance Sensor interferometric
astrometry has produced precise and accurate parallaxes of astrophysical interesting stars …

The first coordinated multispectral imaging of Neptune and Triton, using both the Hubble
Space Telescope and the NASA Infrared Telescope Facility in August 1996 (LA Sromovsky …

Neptune's moon Triton shares many similarities with Pluto, including volatile cycles of N 2,
CH 4 and CO, and represents a benchmark case for the study of surface-atmosphere …

We discuss the spectroscopic detection of H2O ice on Triton, evidenced by the broad
absorption bands in the near infrared at 1.55 and 2.04 μm. The detection of water ice on …