More than 200 moons exist in our Solar System, yet no exomoon has been confirmed to date. While the innermost two planets of the Solar System lack natural satellites and […]
Occultation
Posted inAstronomy & Telescopes, Atmospheres, Climate, Weather, Exoplanets, -moons, -comets, Ice Giant, Icy Worlds, Imaging & Spectroscopy, Press Release, Uranus
Using Stellar Occultation To Study The Atmosphere Of Ice Giant Uranus
When a planet’s orbit brings it between Earth and a distant star, it’s more than just a cosmic game of hide and seek. It’s an opportunity for NASA to improve […]
Posted inAstronomy & Telescopes, Atmospheres, Climate, Weather, Icy Worlds, Imaging & Spectroscopy, Status Report, Triton, Water/Hycean Worlds & Oceanography
New Constraints On Triton’s Atmosphere From The 6 October 2022 Stellar Occultation
The atmosphere of Triton was probed directly by observing a ground-based stellar occultation on 6 October 2022. This rare event yielded 23 positive light curves collected from 13 separate observation […]
Posted inAtmospheres, Climate, Weather, Icy Worlds, Imaging & Spectroscopy, Mapping, Geodesy, Cartography, Bathymetry, Neptune, Status Report, Triton
Constraints On Triton’s Atmospheric Evolution From Occultations: 1989-2022
Context – Around the year 2000, Triton’s south pole experienced an extreme summer solstice that occurs every about 650 years, when the subsolar latitude reached about 50°. Bracketing this epoch, […]