30Jun 19
Yes, the universe is expanding. But how fast?
Astronomers agree that the universe is growing larger, and that the rate of expansion—called the Hubble constant—is accelerating. What they don’t agree on is the best way to measure that…
11May 16
Mercury crosses the sun
On May 9, Mercury moved across the face of the sun. This process, called a transit, took seven and a half hours. From Earth, Mercury looks just 1/158 as wide…
11May 16
Three Earth-like planets found orbiting ultracool star
Scientists have discovered three small planets that they think could support life. The planets are orbiting a dwarf star. Previously, scientists have thought dwarf stars to be too small and…
Posted: April 22, 2024, 2:23 pm
Posted: April 18, 2024, 3:00 pm
Posted: April 17, 2024, 2:37 pm
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