Promise Rover to the Moon, Webb's White Dwarf Atmosphere & Euclid's 60M Stars
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Promise Rover to the Moon, Webb's White Dwarf Atmosphere & Euclid's 60M Stars
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ナレーター：
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著者：
(00:01:06) Racing China to the South Pole
(00:01:54) Webb Finds Atmosphere on Dead Star's Planet
(00:02:56) Euclid Maps 60 Million Stars
(00:03:30) Chandra's Anniversary Images and Starship July Test
(00:04:18) What to Watch Next
In today's daily space briefing, NASA Administrator Jared Isaacman has floated sending Promise — the full-scale Mars engineering testbed used to validate Perseverance commands — to the lunar south pole, equipped with a nuclear RTG for power. No mission is approved yet, but the push to repurpose existing hardware signals real urgency as China advances its own south pole ambitions.
The James Webb Space Telescope has made a landmark discovery: the first detailed atmosphere detected around a planet orbiting a white dwarf. WD 1856 b, a Jupiter-sized world roughly eighty light-years away, hosts a methane-rich atmosphere despite its host star being essentially dead. The leading explanation is gravitational heating from orbital migration — a finding that reframes what planetary survival after stellar death can look like.
ESA's Euclid space telescope has released the largest visible-light mosaic of the Milky Way's galactic centre ever captured: over sixty million stars assembled across twenty-six hours of observation. The dataset opens new ground for exoplanet hunting via gravitational microlensing, enabling detection of planets too faint or cold to find any other way.
Also covered: NASA's Chandra X-ray Observatory released four composite anniversary images blending X-ray, Hubble, and Webb data — including a mysterious haze layer around the Cassiopeia A supernova remnant — and SpaceX has Starship Flight 13 pencilled in for July 31st, using Starship V3 in a suborbital test configuration.
Clear, accurate, and built for curious listeners. A YesWee production.
This episode includes AI-generated content.
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