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The zodiac constellations of Mars's ecliptic are almost the same as those of Earth — after all, the two ecliptic planes only have a mutual inclination of 1.85° — but on Mars, the Sun spends 6 days in the constellation Cetus, leaving and re-entering Pisces as it does so, making a total of 14 zodiacal constellations.
Mars comes closer to Earth more than any other planet save Venus at its nearest—56 million km is the closest distance between Mars and Earth, whereas the closest Venus comes to Earth is 40 million km. Mars comes closest to Earth every other year, around the time of its opposition, when Earth is sweeping between the Sun and Mars. Extra-close ...
And some sky-gazers will be able to glimpse a cosmic magic trick when the moon appears to pass in front of Mars. The full moon will be at peak illumination at 5:27 p.m. ET Monday but will appear ...
For solid objects, such as rocky planets and asteroids, the rotation period is a single value.For gaseous or fluid bodies, such as stars and giant planets, the period of rotation varies from the object's equator to its pole due to a phenomenon called differential rotation.
It will be visible in the constellation Gemini and will appear in the eastern part of the sky as night falls shortly after sunset (around 3:00 UTC per EarthSky.org, AKA 10 p.m. EST) and then be in ...
While peering up at the hazy Martian sky, NASA's Perseverance rover recently spotted one of Mars' irregularly-shaped moons.The moon, Deimos, is relatively small at 7.5 miles wide, so it appears as ...
The modern Greek word for Mars is Άρης (Áris). As with all synchronous orbits, an areosynchronous orbit has an orbital period equal in length to the primary's sidereal day . A satellite in areosynchronous orbit does not necessarily maintain a fixed position in the sky as seen by an observer on the surface of Mars; however, such a satellite ...
If you catch yourself looking up at the night sky this evening, you might notice what looks like a bright star with an orange tint. That's actually the planet Mars. Here's HLN: 'The planet is ...