Science
This oddball reflective lava world is challenging to understand
Source: Phys.org · Published
Among Kepler and TESS's many surprising exoplanet discoveries are the ultra-short-period (USP) planets. These planets move very quickly and complete an orbit in less than 24 hours. Ancient astronomers thought that Mercury was so fast—it goes around the sun every 88 days—that they named it after the Roman god Mercury, who was the fast-traveling messenger of the gods. They couldn't have known how…
Key points
- Among Kepler and TESS's many surprising exoplanet discoveries are the ultra-short-period (USP) planets.
- These planets move very quickly and complete an orbit in less than 24 hours.
- Ancient astronomers thought that Mercury was so fast—it goes around the sun every 88 days—that they named it after the Roman god Mercury, who was the fast-traveling messenger of the gods.
- They couldn't have known how…
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