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An amateur astronomer's casual observation became a cosmic mystery that still puzzles scientists today.
Juice will use Earth's gravity on 28 September to turn its path and add speed, while Moon-limb images test the optical navigation needed for close flybys in the Jupiter system. By Mission Notes · Edited by Lachlan Brown Published September 23, 2026 · How we…
The Moon maintains a diffuse sodium tail that Earth crosses around each new moon, when our planet’s gravity focuses part of the stream into a spot visible to specialised cameras.
A visual search of ultra-deep VST mosaics found 47 dwarf-galaxy candidates where only four were catalogued, exposing both the power and the biases of by-eye discovery. By Deep Field · Edited by Lachlan Brown Published September 22, 2026 · How we edit A deep optical…
XRISM's iron-line spectrum directly measured plasma falling onto GX 301−2, while the disk-breakup and reversal sequence remains a model supported by spectra and Fermi timing. By Deep Field · Edited by Lachlan Brown Published September 21, 2026 · How we edit XRISM recorded plasma falling…
TOI-1355 b's transit chord is moving off its rapidly rotating star. If the measured drift holds, the final grazing transit will occur around mid-2033.
A new geodetic analysis combines satellite ranging, GPS and orbital data to trace the millimetre-scale annual offset between Earth's mass centre and its solid surface.
Webb spectroscopy identifies a roughly two-Jupiter-mass IC 348 member with infrared excess from a disk, while spatial evidence favors star-like formation over planetary ejection.
A state-space analysis of 3,340 pulse-frequency measurements slightly favors a retrograde disk before 4U 1626−67's 2008 torque reversal, but a data gap and weak Bayesian odds keep the result indirect.
Two chemical tracers in carbonaceous iron meteorites indicate that the earliest outer Solar System planetesimals contained only 8 to 17 percent fine matrix, extending aerodynamic sorting to the opening era of planet formation.