Astronomy
- Tue. 11/03
Voyager 1 will be one light-day from Earth on Nov. 18, the first spacecraft ever that far
At 2:16 a.m. Pacific time on Nov. 18, a radio message to the 49-year-old probe will take a full day to arrive. Its reply will take another.
- Tue. 11/03
Small galaxies have lost most of the oxygen their stars made, Hubble-based study finds
A study of 37 nearby dwarf galaxies found they kept only about 11% of their oxygen on average. Exploding stars appear to blow it out far more efficiently than computer models predict.
- Tue. 11/03
Southern Taurid meteors peak this week, with a dark San Jose sky until the moon rises
Expect about three meteors an hour from a dark site, fewer from town, and not many more than on any ordinary night. Best odds: midnight to 3 a.m. Thursday.
- Tue. 11/03
Mountain View's SETI Institute lets AI agents steer its alien-signal telescope
Researchers can now steer the Allen Telescope Array in Northern California with a plain-language request, NVIDIA says.
- Tue. 11/03
Rubin Observatory, built around a Menlo Park camera, finds its first possible dwarf planet
The icy object, called 2026 ED138, orbits beyond Pluto and may be 600 to 1,500 kilometers across.
- Tue. 11/03
Hubble and Webb photograph a cat-shaped dust cloud where new stars are forming
The Cat's Head Nebula sits inside the Carina Nebula, about 7,500 light-years away.
- Tue. 11/03
A dead star's double ring of planet debris hints at how our solar system could end
The white dwarf J1328−1450, about 1,600 light-years away, is hotter than the sun, and two surviving bodies appear to shape the rings around it.