The UAE’s Hope probe has moved to a new orbit around Mars to study one of the planet’s tiny moons.
Deimos, which measures only 6.2km in radius, is the smaller of the two moons that orbit the Red Planet.
Hope, the Arab world’s first interplanetary mission, will perform fly-bys that will take it within 100km of the moon.
The announcement was made on February 9, the second anniversary of the spacecraft reaching Mars.
“The Emirates Mars Mission has a unique opportunity to fully characterise the disc-resolved composition, thermophysics, shape and geologic surface features of Deimos in resolution that haven’t been acquired before,” said Hessa Al Matroushi, science lead of the mission.
Moving to the new orbit
Since arriving in Mars orbit, the Hope probe has been in an elliptical orbit between 22,000km and 44,000km from the planet’s surface, allowing it to observe from much higher above than any other spacecraft.
Now, the inclination of that orbit has changed after the spacecraft performed a manoeuvre called the Lambert orbital transfer.
This means the spacecraft fired its Delta-V thrusters to make manoeuvres that allowed it to move from one elliptical orbit to another.
Two of the three required manoeuvres have already been made, allowing it to reach a new orbit between 20,000km and 43,000km with a 25-degree incline towards the planet.
“Previously, we didn't have any reason to move the orbit,” Ms Al Matroushi said.
“But now we’re exploring a new adventure and science mission.”
What will it study?
Engineers are using the probe’s three main science instruments to capture images and data of the moon.
These include an exploration imager ― a high-resolution camera ― to photograph the moon, and the infrared and ultraviolet spectrometers to measure its temperature and observe its thermophysical properties, including its regolith, or dust.
The first Deimos fly-by took place in late January, and as the probe moves to its closest approach to the moon, it will take high-resolution images.
It will also continue to study atmospheric conditions on Mars. So far, the Emirates Mars Mission team have released six batches of data on the Red Planet, more than 1.7 terabytes.
What's special about Deimos?
Deimos completes an orbit around Mars every 30 hours and is much smaller than its companion, Phobos.
"Like Phobos, Deimos is a small and lumpy, heavily cratered object," Nasa said.
"Its craters are generally smaller than 1.6 miles [2.5km] in diameter, however, and it lacks the grooves and ridges seen on Phobos.
"Deimos also has a thick regolith, perhaps as deep as 328 feet [100m], formed as meteorites pulverised the surface."
The moon has been studied by spacecraft from other space agencies, but Emirati engineers are hoping that their probe will bring new discoveries, including new data on the moon's dark side ― the part that faces the planet.
David Haye record
Total fights: 32
Wins: 28
Wins by KO: 26
Losses: 4
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Name: Kumulus Water
Started: 2021
Founders: Iheb Triki and Mohamed Ali Abid
Based: Tunisia
Sector: Water technology
Number of staff: 22
Investment raised: $4 million
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As he spoke, Mr Aboul Gheit repeatedly referred to the need to tackle issues affecting the welfare of people across the region both in terms of preventing conflict and in pushing development.
Lebanon is scheduled to host the fourth Arab Economic and Social Development Summit in January that will see regional leaders gather to tackle the challenges facing the Middle East. The last such summit was held in 2013. Assistant Secretary-General Hossam Zaki told The National that the Beirut Summit “will be an opportunity for Arab leaders to discuss solely economic and social issues, the conference will not focus on political concerns such as Palestine, Syria or Libya". He added that its slogan will be “the individual is at the heart of development”, adding that it will focus on all elements of human capital.
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Killing of Qassem Suleimani
