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Hace 5 días · While it takes Earth about 365 days to orbit the sun, the exoplanet completes its full orbit in less than one Earth day, according to NASA. It’s so close to its star that gravity doesn’t allow it to rotate, so for billions of years one side has experienced day and the other night.
Hace 5 días · Space. A potentially habitable Earth-size planet was discovered just 40 light-years away. Dubbed Gliese 12 b, the planet takes 12.8 days to orbit a star that is 27% of the sun’s size.
Hace 1 día · Pluto has a moderately eccentric and inclined orbit, ranging from 30 to 49 astronomical units (4.5 to 7.3 billion kilometers; 2.8 to 4.6 billion miles) from the Sun. Light from the Sun takes 5.5 hours to reach Pluto at its orbital distance of 39.5 AU (5.91 billion km; 3.67 billion mi).
Hace 1 día · It takes 224.7 Earth days for Venus to complete an orbit around the Sun, and a Venusian solar year is just under two Venusian days long. The orbits of Venus and Earth are the closest between any two Solar System planets, approaching each other in synodic periods of 1.6 years.
Hace 2 días · The resonance makes a single solar day (the length between two meridian transits of the Sun) on Mercury last exactly two Mercury years, or about 176 Earth days. Mercury's orbit is inclined by 7 degrees to the plane of Earth's orbit (the ecliptic), the largest of all eight known solar planets.
Hace 1 día · *Time required for the planet to return to the same position in the sky relative to the Sun as seen from Earth. mean distance from Sun 227,943,824 km (1.5 AU) eccentricity of orbit 0.093 inclination of orbit to ecliptic 1.85° Martian year (sidereal period of revolution) 686.98 Earth days
Hace 2 días · Of the eight major planets, Venus and Neptune have the most circular orbits around the Sun, with eccentricities of 0.007 and 0.009, respectively. Mercury, the closest planet, has the highest eccentricity, with 0.21; the dwarf planet Pluto, with 0.25, is even more eccentric.
