Science ❯ Astronomy

Galactic Structures

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Gaia Finds Thousands of Solar Twins, Tying the Sun to a Mass Migration Across the Milky Way

The pattern points to a central bar in formation that drove outward movement of Sun-like stars, offering a constraint on when the bar emerged.

Giant Metal-Bearing Cloud Tied to Hidden Companion Explains Months-Long Dimming of Sun-Like Star

New Spectrograph Reveals Mars-Mass Iron Bar in the Ring Nebula

Astronomers Make First Direct Mass Measurement of a Rogue Planet

Pleiades Recast as Core of a Vast 'Greater Pleiades' Stellar Family

ALMA Maps 1.4‑Light‑Year, Sun‑Mass Bubble Around Red Supergiant DFK 52

New 'Dark Dwarfs' Theory Proposes Substellar Objects Fueled by Dark Matter