astronomische surveys

Systematische hemelobservaties die hemellichamen in de loop van de tijd in kaart brengen en volgen.

Articles about astronomische surveys

Science
Hipparchus’s Lost Star Map Recovered

Hipparchus’s Lost Star Map Recovered
Researchers at SLAC/Stanford used powerful X-ray beams to read hidden Greek astronomical notes beneath a medieval palimpsest, recovering star coordinates from Hipparchus—the oldes…
Space
Space as a Sticky Fluid?

Space as a Sticky Fluid?
A late‑2025 arXiv preprint proposes that the vacuum behaves like a viscous, elastic medium with 'spatial phonons'—a phenomenological model that the author says can reconcile tensi…
Space
X‑Ray Map Reveals Interstellar 'Tunnel'

X‑Ray Map Reveals Interstellar 'Tunnel'
A new 3D map built from SRG/eROSITA X‑ray data shows low‑density channels in the Local Hot Bubble — including a conspicuous 'tunnel' toward Centaurus — and points to how ancient s…
Technology
3I/ATLAS Is Not an Alien Probe

3I/ATLAS Is Not an Alien Probe
Comet 3I/ATLAS—only the third confirmed interstellar object to visit our solar system—has been scanned by major radio and optical facilities; scientists report no signs of enginee…
Space
Cloud 9: A Failed Galaxy Revealed

Cloud 9: A Failed Galaxy Revealed
Using Hubble and radio telescopes, astronomers have confirmed a starless, gas-rich dark-matter cloud — nicknamed Cloud‑9 — that matches long-standing theoretical predictions of a …
Space
SPHEREx Maps Sky in 102 Infrared Colors

SPHEREx Maps Sky in 102 Infrared Colors
NASA's SPHEREx mission has completed a full-sky survey in 102 infrared bands, producing a multilayered cosmic atlas that scientists say can turn a flat star chart into a 3D map of…