stellar
-
Space & Cosmos
Investigating how stellar threats affect the habitable zone of exoplanets
This image from the study shows the sky positions of exoplanet-dominated stars projected onto the Mollweide map. The HZS is indicated by a yellow-green circle, and the remaining exoplanet population is represented by a gray circle. The studied sample of 84 HZS located within 220 parsecs of the Sun is represented by a yellow-green cross circle. The three dense HZSs…
Read More » -
Science
Researchers claim to have discovered the oldest stellar disk in the Milky Way
We compare Milky Way observations and TNG50 simulations and scale height-to-height ratios as a function of age. Credit: Nature Astronomy (2024). DOI: 10.1038/s41550-024-02382-w A team of astronomers and astrophysicists from the Chinese Academy of Sciences and the University of Toronto has discovered what may be the oldest stellar disk in the Milky Way. In their study, reported in the journal…
Read More » -
Space & Cosmos
Hubble photographs a stellar nursery in a majestic spiral galaxy IC 1954
This NASA/ESA Hubble Space Telescope image shows spiral galaxy IC 1954. Credit: ESA/Hubble & NASA, D. Thilker, J. Lee, and PHANGS-HST team This image from the NASA/ESA Hubble Space Telescope shows spiral galaxy IC 1954, located 45 million light-years from Earth in the constellation Horologium. At its center is a glowing rod with majestically winding spiral arms, above which is…
Read More »