Cloze Test Sorusu #9301

Launched on Christmas Day in 2021, the James Webb Space Telescope (JWST) represents humanity's most ambitious space observatory. Positioned roughly 1.5 million kilometers from Earth at the second Lagrange point (L2), it utilizes advanced infrared sensors (17)---- peer through cosmic dust clouds that previously obscured early galactic structures. Unlike the Hubble Telescope, (18)---- observed primarily in visible and ultraviolet wavelengths, Webb was designed to capture light emitted more than 13.5 billion years ago. The telescope's golden segmented mirrors and tennis-court-sized sunshield are critical, as its delicate instruments must remain (19)---- cold to function properly. Astrobiologists are particularly enthusiastic because Webb can also analyze the atmospheric compositions of distant exoplanets, potentially detecting chemical biosignatures that could (20)---- extraterrestrial biological activity. Thus, JWST continues to (21)---- our fundamental understanding of the early cosmos.