An international team unified 2,884 Type Ia supernovae from 3 decades, adding to independent hints from DES 2024 that dark energy may change over time.
Tag: Stars
ESA’s Solar Orbiter sampled a giant switchback and, from its oxygen and carbon mix, tied its origin to interchange reconnection at the Sun’s surface.
On Feb. 1, 2025, XRISM’s Resolve saw redshifted iron lines in BP Crucis, showing Wray 977’s wind plunging toward pulsar GX 301‑2 at 335,000 mph.
NASA’s Roman Space Telescope launched at 7:26 a.m. EDT to survey 100× Hubble’s view, 1000× faster, map 20 billion Milky Way stars, and send 1.4 TB daily.
Get ready to wish upon a shooting star—or twenty! One of the night sky’s most charming spectacles, the Lyrid meteor shower, is
Recent observations have brought to light a remarkable collection of stars in the “Dragon Arc.” This spiral galaxy lies about 6.5 billion
If you’ve ever gazed at the night sky and wondered about the mysteries of the universe, you’re not alone. Every day, thousands