Story perspectives

JWST Sees 9:1 Proposal Surge, Sparks Astronomical Research

9/14/2025

Summary

Story summary

The James Webb Space Telescope (JWST) received 2,377 proposals in Cycle 4, resulting in a 9:1 oversubscription ratio.
Since launch, JWST has gathered 550 terabytes of data, leading to over 1,600 publications on galaxy formation and exoplanet atmospheres.
The Hubble Space Telescope (HST) has conducted over 1.5 million observations and published more than 22,000 peer-reviewed papers since 1990.
Both telescopes foster international collaboration, with HST involving 39 countries and JWST partnering NASA, ESA, and CSA.
The competition for telescope time underscores the need for public engagement and educational outreach in astronomy.

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Story summary

The James Webb Space Telescope (JWST) received 2,377 proposals in Cycle 4, resulting in a 9:1 oversubscription ratio.
Since launch, JWST has gathered 550 terabytes of data, leading to over 1,600 publications on galaxy formation and exoplanet atmospheres.
The Hubble Space Telescope (HST) has conducted over 1.5 million observations and published more than 22,000 peer-reviewed papers since 1990.
Both telescopes foster international collaboration, with HST involving 39 countries and JWST partnering NASA, ESA, and CSA.
The competition for telescope time underscores the need for public engagement and educational outreach in astronomy.