NASA’s latest close-up of our star is not just a pretty picture. When the Parker Solar Probe swooped to within 3.8 million miles of the Sun on Dec. 24, 2024, it delivered a view of the corona that no ...
NASA spent roughly a billion dollars to send a car‑sized robot into the Sun’s atmosphere, and to get there it had to accelerate to about 400,000 mph, faster than any spacecraft in history. That ...