I Can’t Sleep I Can’t Sleep

Hubble Space Telescope | Can’t Sleep? Explore the Universe

Sep 7, 2026 · 31m

Summary

Host Benjamin Bo explores the Hubble Space Telescope, detailing its 1990 launch, the initial mirror flaw, and the five servicing missions that kept it operational. The episode covers Hubble's groundbreaking discoveries, including measuring the universe's expansion rate, identifying black holes in galactic centers, and capturing deep field images. It also traces the telescope's history from Lyman Spitzer's 1946 proposal to its eventual replacement by the James Webb Space Telescope.

Topics discussed

Sponsorships: LinkedIn Hiring Pro and Uber Eats Episode Introduction and Hubble Overview Hubble Specifications and Scientific Impact Launch History, Mirror Flaw, and Servicing Missions Origins: Spitzer, Roman, and Early Space Astronomy Early Missions and the Large Space Telescope Plan Funding Battles, Budget Cuts, and ESA Collaboration Construction Challenges and Perkin-Elmer Mirror Issues Spacecraft Engineering and Pre-Launch Delays 1990 Launch and the Final Servicing Mission Decision Servicing Mission 4 Upgrades and Restoration Measuring the Hubble Constant and Dark Energy Black Holes and Deep Field Observations Comet Shoemaker-Levy 9 and Ganymede Ocean Gyroscopes, Orbit Decay, and Future Re-entry
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