Science
Pulsar's 42-light-year X-ray tail explains mysterious gamma rays
The trail behind PSR J1740+1000 is the longest known and lines up with radiation that had no identified source.
Topic
astronomy
All stories tagged “astronomy.”
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Science
Any moon of Venus would have spiraled down and crashed, model shows
A UC Riverside simulation finds the planet's slow, backward spin drags orbiting moons toward its surface.