Tag Archive for 'Thick disk'

Top view of the Milky Way showing the estimated orbits of both our Sun and 3I/ATLAS. The comet is shown in red dashed lines, and the Sun is shown in yellow dotted lines. The large extent of the comet’s orbit into the outer thick disk is clear, while the Sun stays nearer the core of the Galaxy. Image credit: M. Hopkins / Ōtautahi-Oxford Team / ESA / Gaia / DPAC / Stefan Payne-Wardenaar / CC-BY-SA 4.0.

3I/ATLAS May Be Oldest Comet Ever Seen, Astronomers Say

Jul 11, 2025 by News Staff

3I/ATLAS — the second interstellar comet ever spotted in our cosmic neighborhood — may predate our Solar System by more than 3 billion years,...

This image shows the Milky Way-like galaxy UGC 10738. Image credit: Centre de Données astronomiques de Strasbourg / SIMBAD / PanSTARRS.

Milky Way Galaxy Evolved Gradually, Astronomers Say

May 25, 2021 by News Staff

Astronomers the Multi Unit Spectroscopic Explorer (MUSE) on ESO’s Very Large Telescope have observed UGC 10738, a nearby, edge-on Milky Way-like galaxy,...

An artist’s rendition of the TOI-561 planetary system. Image credit: Adam Makarenko / W.M. Keck Observatory.

Astronomers Discover 10-Billion-Year-Old Multiplanet System

Jan 13, 2021 by Natali Anderson

Astronomers using NASA’s Transiting Exoplanet Survey Satellite and the High Resolution Echelle Spectrometer on the Keck I telescope at the W. M. Keck...

TESS Discovers Its First Thick-Disk Exoplanet

Mar 30, 2020 by Natali Anderson

Astronomers using NASA’s Transiting Exoplanet Survey Satellite (TESS) have spotted an Earth-sized planet orbiting LHS 1815, a star in the thick disk...