- The defining surface feature is the large impact crater, Stickney, which takes up a substantial proportion of the moon’s surface.
MARS
- The two moons of Mars are Phobos and Deimos. They are irregular in shape.
- While ISRO is not the first space agency to capture the image of Phobos, it is certainly known to be an achievement, a scientist from the space agency said, because the moon is one of the least reflective bodies in the solar system. “Which means, being made up of meteorite materials such as ‘carbonaceous chondrites’, the moon does not reflect solar light, which makes it less visible by nature compared to other celestial bodies,”
MARS ORBITER MISSION
- It is India’s first interplanetary mission and it made it the fourth space agency to reach Mars, after Roscosmos, NASA, and the European Space Agency.
- It was put into Mars orbit on 24 September 2014
DETAILS
- The Rs 450-crore MOM mission aims at studying the Martian surface and mineral composition as well as scan its atmosphere for methane (an indicator of life on Mars).
- The Mars Orbiter has five scientific instruments -Lyman Alpha Photometer (LAP), Methane Sensor for Mars (MSM), Mars Exospheric Neutral Composition Analyser (MENCA), Mars Colour Camera (MCC) and Thermal Infrared Imaging Spectrometer.
FUTURE MARS MISSIONS
- 3 Red Planet missions set to launch in July
- The United Arab Emirates’ (UAE) first-ever interplanetary effort, the Hope Mars mission, also known as the Emirates Mars Mission, is scheduled to launch on July 14.
FUTURE MARS MISSIONS
- The Hope orbiter will reach Mars in early 2021, then use three science instruments to study the Red Planet’s atmosphere, weather and climate from above. The probe’s observations should help researchers better understand Mars’ long-ago transition from a relatively warm and wet world to the cold, desert planet we know today, mission team members have said.
FUTURE MARS MISSIONS
- China will follow with a landmark launch of its own a little more than a week after Hope takes flight. On July 23, China’s first-ever fully homegrown Mars mission, known as Tianwen-1, is scheduled to lift off atop a Long March 5 rocket.
- Tianwen-1 is an ambitious project that consists of an orbiter, a lander and a 530-lb. (240 kilograms) rover that’s the size of a small golf cart. Chinese officials have remained characteristically tight-lipped about the mission —they still haven’t publicly announced a final landing site for the lander/rover pair, for example —but these robots’ scientific gear suggests that Tianwen-1 will conduct a broad reconnaissance of the Martian environment.
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