exoplnet Archives

This artist’s impression depicts a dying Sun-like star engulfing an exoplanet. New research published in Monthly Notices of the Royal Astronomical Society suggests that ageing stars may be destroying the giant planets orbiting closest to them. Credit International Gemini Observatory/NOIRLab/NSF/AURA/M. Garlick/M. Zamani Licence type Attribution (CC BY 4.0)

Exoplanets, -moons, -comets, Habitable Zones, Press Release, Stellar Cartography

Ageing Stars May Be Destroying Their Closest Planets

by Keith CowingNovember 5, 2025November 5, 2025

Ageing stars may be destroying the giant planets orbiting closest to them, new research shows – offering a glimpse into the possible fate of the likes of Jupiter and Saturn […]

Synthetic, monochromatic light curves of a comet with narrow tail, plotted for the three selected grain size distributions, labelled as a ∼ 2 µm (top row), 650 nm (middle row) and 200 nm (bottom row), for an A star. Columns denote the materials used in the simulations: carbon (left), graphite (second from the left), pyroxene (second from the right), and olivine (right). Note the change in the scale of the y axis from row to row. -- astro-ph.EP

Astronomy & Telescopes, Comets and Asteroids, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Status Report

Exocomet Models in Transit: Light Curve Morphology in the Optical — Near Infrared Wavelength Range

by Keith CowingMay 24, 2024

Following the widespread practice of exoplanetary transit simulations, various presumed components of an extrasolar system can be examined in numerically simulated transits, including exomoons, rings around planets, and the deformation […]