HomeScienceSpace ScienceLooking back at NASA's Mars exploration process over the

Looking back at NASA's Mars exploration process over the past 20 years

How has the human journey of Mars exploded? What interesting things have we discovered about Red Planet? The following article will help you have a better overview of the journey to explore Mars since the first time NASA brought robots to Mars, two decades ago.

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On July 4, 1997, the Pathfinder, NASA's first robot landed on the surface of the Red planet with the task of analyzing the atmosphere, climate and rock composition. Since then, there have been 8 more NASA robots exploring Mars.

Looking back at NASA's Mars exploration process over the past 20 years Picture 1
In 2004, autonomous robotics Opportunity was put on Mars with the task of finding signs of water on the planet.In the picture isOpportunity landing place on the Red planet.

Looking back at NASA's Mars exploration process over the past 20 years Picture 2
Ancient pit dunes in the Noachis area, one of the oldest on Mars.

Looking back at NASA's Mars exploration process over the past 20 years Picture 3
In the picture are melting sand dunes by the Observation Ship on Mars Orbit (MRO).MRO was launched on August 12, 2005 to learn about Mars, which is the fourth artificial satellite to operate on the planet.


The video simulates the robot landing process to explore Mars.(Roving Mars.)

Looking back at NASA's Mars exploration process over the past 20 years Picture 4
The rich shape of sand dunes is created by wind with different direction and strength on Mars.

Looking back at NASA's Mars exploration process over the past 20 years Picture 5
The enchanting beauty of sand dunes due to CO2 gas freezes in the winter in Russel impact crater, located at the southern hemisphere of Mars.High-resolution scientific imaging equipment - HiRISE integrated on the MRO measures the accumulation of frost at this location each fall and their disappearance in the spring.

Looking back at NASA's Mars exploration process over the past 20 years Picture 6
Flows that can be generated by salt water are a common occurrence in Mars in warm months.

Looking back at NASA's Mars exploration process over the past 20 years Picture 7
During the four months running on the Greele Haven slope in the north, the autonomous robot Opportunity (landed on Mars on January 25, 2004), captured over 800 images of the neighborhood.

Looking back at NASA's Mars exploration process over the past 20 years Picture 8
A collision hole of about 30 meters in diameter, located between the large, newly formed rays of Mars

Looking back at NASA's Mars exploration process over the past 20 years Picture 9
The deposited soil layers, 3 km thick, about 1,000 km in diameter at the North pole of Mars.

Looking back at NASA's Mars exploration process over the past 20 years Picture 10
The rock drill site at Sharp Mountain was taken by Curiosity autonomous robot, the most modern robot was put on Mars by Mars in August 2012 with 17 cameras, a laser device and a drill blade to find samples of rock formations in the country .

Looking back at NASA's Mars exploration process over the past 20 years Picture 11
River valleys, cliffs, glaciers and volcanoes . on Mars have similar terrain features on Earth.

Looking back at NASA's Mars exploration process over the past 20 years Picture 12
High sand dunes, moving about one meter each year on Mars.NASA plans to launch an InSight mission in 2018 and send an autonomous robot in 2020 to continue studying Mars.

Looking back at NASA's Mars exploration process over the past 20 years Picture 13
A column of smoke captured in the late spring on the surface of Mars.

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