Radio Telescope Antennas: How Arrays Make an Image
Understand baselines, resolution, sensitivity and missing spatial scales, then read an ALMA image with the right context.
Published Updated
THE STREAM
Across your feeds
Astronomy · Publishers: Yenra
A mix of topics and publishers, with recent articles first within each. Curated background stays in the stream; news uses a 90-day window. Missing dates are shown explicitly. Older collected articles remain available in Saved and Connections.
WISE: How to Explore an Infrared Sky Survey
Find WISE archive images, compare infrared bands, choose between coadds and single exposures, and recognize common artifacts.
Published Updated
Comets: What You See and How to Plan an Observation
Understand comet tails and brightness, use an ephemeris for your location, and plan a realistic night-sky observation.
Published Updated
Enceladus: What Its Plumes Reveal About an Ocean World
Connect Cassini's plume measurements with ocean evidence, phosphorus and chemical energy, while distinguishing habitability from life detection.
Published Updated
Europa: Ocean Evidence, Ice-Shell Questions and Europa Clipper
Follow the evidence for Europa's ocean, understand ice-thickness uncertainty, and see which questions Europa Clipper can address.
Published Updated
Infrared Telescopes: Wavelengths, Thermal Background and What Images Reveal
Compare infrared observations through wavelength, sensitivity and resolution, with examples from VISIR and Webb.
Published Updated
James Webb Space Telescope: How to Read Its Images and Spectra
Read Webb image colors, filters, scale bars and spectra, and trace an astronomical claim back to its observation.
Published Updated
Nancy Grace Roman Space Telescope: How to Follow and Interpret Its Results
Follow Roman mission updates, understand its surveys and planet detections, and evaluate the evidence, calibration and uncertainty behind its results.
Published