#1
#1 out of 17.9K est. views
science1d ago
How Modern and Antique Technologies Reveal a Dynamic Cosmos | Quanta Magazine
- Rubin Observatory to monitor the southern sky for a decade, collecting vast time-domain data and sending alerts within a minute.
- Historic glass plates, digitized and studied via programs like DASCH, provide decades-long data for time-domain studies.
- Historical data help tune models of black-hole systems by revealing past flares and outbursts.
- Glass plates offer a century-long view of the sky, with some imaging data dating back to 1896.
- Researchers calibrate multi-era data to form a long, interconnected record of celestial changes.
- Time-domain astronomy classifies objects as transients or variables to study underlying physics.
- The DASCH project digitizes decades of Harvard plates, enabling wide access to archival data.
- The study emphasizes preserving glass plate archives as they can yield hidden discoveries for modern astronomy.
- Time-domain research links past and present observations to refine cosmological understanding.
Vote 1