YFarmX Space · Science
Telescopes, probes and the research they send home. Findings reported from papers and agency releases.
The hardware
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Space telescope
Eighteen gold hexagons on an open backplane, a secondary on a tripod and a five-layer sunshield below.
The class's famous members: Hubble, in orbit since 1990, and the James Webb Space Telescope at L2, whose segmented gold mirror this archetype echoes. The model is the class, not either of them.
Illustration · class archetype · real geometry
ESA · Earth, sun-synchronous orbit
A new global view of vegetation through the faint fluorescence emitted during photosynthesis.
The Fluorescence Explorer will measure plant fluorescence to study vegetation activity and environmental stress. ESA targets global maps at 300-metre resolution from 814 km altitude.
Next: Launch and early orbit phase checks over the coming days, followed by commissioning
last verified 15 Sept 2026 · Concept artwork: YFarmX / ChatGPT Image 2
NASA · Sun-Earth L2
Cruising towards L2, with fuel savings increasing the projected potential science lifetime.
NASA reported on 14 September that the first trajectory correction used about 18 kg of fuel against a 200 kg allocation. The resulting lifetime projection also assumes savings during the upcoming correction and orbital insertion. The original fuel budget covered a five-year primary mission and five-year extension.
Next: Fine-guidance system activation; L2 insertion expected around early December 2026, first science images by early 2027
last verified 18 Sept 2026
NASA / ESA / CSA · Sun-Earth L2
Four years into routine science at the second Lagrange point, most recently revealing a giant exoplanet hidden in the Beta Pictoris system.
Webb continues routine science operations from its orbit around the second Lagrange point, 1.5 million kilometres from Earth. NASA released anniversary images on 6 July 2026 to mark four years of science, and on 15 July 2026 announced the discovery of a giant exoplanet hidden in the Beta Pictoris system. The observatory remains listed as an active mission covering every phase of cosmic history.
last verified 22 Aug 2026 · Image: NASA/ESA/CSA/Northrop Grumman, restyled
NASA · Jupiter (Europa)
En route to Jupiter for 49 close flybys of the icy moon Europa, arriving April 2030. The next push is an Earth gravity assist in December 2026.
Europa Clipper launched on 14 October 2024 and is travelling 1.8 billion miles (2.9 billion kilometres) to reach Jupiter in April 2030, having completed a Mars gravity assist in 2025. NASA states the next milestone is an Earth flyby on 3 December 2026, which gives the spacecraft its final push towards Jupiter. Once in orbit it will conduct 49 close flybys of Europa to assess whether the icy moon could support life.
Next: Earth gravity assist flyby on 3 December 2026
last verified 22 Aug 2026 · Image: NASA/JPL-Caltech, restyled
ESA · Jupiter (Ganymede, Callisto, Europa)
ESA's Jupiter-bound explorer, lately turning its cameras on interstellar comet 3I/ATLAS mid-cruise. Arrival at Jupiter comes in July 2031.
JUICE launched on 14 April 2023 and has completed its lunar-Earth flyby (August 2024) and Venus flyby (August 2025), after the team resolved an anomaly on the Venus approach. ESA's most recent stories, from February to April 2026, describe the spacecraft's rare observations of interstellar comet 3I/ATLAS made with its science and navigation cameras. Its route lists Earth flybys in September 2026 and January 2029 before arrival at Jupiter in July 2031 for 35 flybys of the icy moons.
Next: Earth gravity assist flyby, closest approach 27 September 2026 on ESA's flight-dynamics mission calendar
last verified 15 Sept 2026 · Image: Don-vip, Wikimedia France, CC BY-SA 4.0, restyled
ESA / JAXA · Mercury
The joint ESA and JAXA Mercury mission has finished its powered cruise and arrives in orbit in November 2026.
BepiColombo, ESA's joint mission with JAXA, is listed as in operation and en route to Mercury after completing its sixth and final Mercury flyby on 8 January 2025. On 24 June 2026 the team received signal confirmation that the spacecraft's solar electric propulsion system had shut down successfully, closing out the powered portion of the cruise. ESA states arrival at Mercury in November 2026, with routine science operations from its two orbiters beginning in early 2027.
Next: Mercury orbit insertion on 21 November 2026, with routine science operations beginning in early 2027
last verified 22 Aug 2026 · Image: ESA, C. Carreau, CC BY-SA 3.0 IGO, restyled
