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The aircraft that have been sent to Venus are the Pioneer Venus 1 (1978), the Pioneer Venus 2, and the Magellan probe (1989). The aircraft sent to Mars were Viking 1, Viking 2 (1975), the Mars Global Surveyor (1996), the Mars Exploration rovers (2003), The Phoenix lander (2007-08), and the rover Curiosity (2011). The aircraft sent to Mercury include Messenger (2004), and the Mariner 10.
What else can I help you with?
What planets has no rings?
Mercury, Venus, Earth and Mars. Pluto has been demoted, and is no longer considered to be a planet.
What space probes have been on mars mercury and venus?
The Mars probes include the Mars rovers Spirit, Opportunity, Curiosity, Perseverance, and the orbiters Mars Odyssey, Mars Express, MAVEN, and Mars Reconnaissance Orbiter. The Mercury probe is the MESSENGER spacecraft, and the Venus probes include Venera, Magellan, Akatsuki, and Venus Express.
What planets have been explored by the US?
in terms of satalites and rovers, mars, venus, jupiter, saturn, mercury
What are the planets of the solar system listed in order?
1. Mercury 2. Venus 3. Earth 4. Mars 5. Jupitar 6. Saturn 7. Uranus 8. Neptune Pluto is no longer a planet. Its designation has been changed to a dwarf planet.
Which planets don't have rings?
Mercury, Venus, Earth, and Mars. Whether Pluto is considered a planet anymore is under question, but it does not have any rings either. All of the giant planets, Neptune, Uranus, Saturn and Jupiter have rings.
What are the eight planets that circle the sun?
in order from closest to farthest from the sunmercuryvenusearthmarsJupiterSaturnuranusneptunePluto (if people are still counting it)
Why is Mars Venus and Earth less cratered than Mercury and the Moon?
Because they've been hit by less things.
Which planets have been known for longest?
The naked eye visible planets. Mercury, Venus, Earth, Mars, Jupiter and Saturn.
How many plaents are there?
There are 8 planets(Mercury,Venus,Earth,Mars,Jupiter,Saturn,Uranus and Neptune) now because Pluto has been classified as a Dwarf Planet.
Was Mars discovered in the middle ages?
Mars is visible with the unaided eye. So like Mercury, Venus, Jupiter and Saturn it has been known since humans looked at the sky.
Which 2 planets do not have any natural satellites?
No natural satellites of the planets Mercury or Venus have ever been discovered.
What planets can usually be seen from earth?
The planets Mercury, Venus, Mars, Jupiter and Saturn have been known since the Sumerians and Egyptians, and probably before that. They are easily visible with the naked eye. Currently, only Venus and Saturn are visible; Venus in the evening, and Saturn from midnight to dawn. Mars, Jupiter and Mercury are very close to the Sun just now, and very difficult to pick out in the twilight.
