Hope arrives, and the Arab world reaches another planet
The UAE had no deep-space programme six years before a 27-minute burn spent half of Hope's fuel to capture the first interplanetary mission flown by any Arab nation.
At 15:30 UTC on 9 February 2021, six 120-newton thrusters on a spacecraft the size of a small car lit and burned for twenty-seven minutes. Radio took ten minutes and forty seconds to cross the gap, so by the time controllers in Dubai heard the burn start it was already half over. Capture consumed about 400 of the 800 kilograms of hydrazine Hope had carried from Earth — half the tank. If the engines had underperformed, the probe would have sailed past Mars and into an orbit around the Sun, and nothing on the ground could have done anything about it.
The United Arab Emirates had no deep-space programme at all six years earlier. Hope — Al-Amal — was announced in 2014, launched on a Japanese H-IIA from Tanegashima on 19 July 2020, and cost around 200 million dollars. It was built in partnership with three American universities: the Laboratory for Atmospheric and Space Physics in Colorado, Arizona State, and Berkeley. That arrangement drew the obvious criticism, that the Emirates had bought a mission rather than built one. The Emirati answer was that buying it was never the point; Emirati engineers worked alongside the American teams, and the programme existed to seed an aerospace sector in a country whose economy runs on oil that will not last.
The science case rests on an unusual orbit. Most Mars orbiters fly low and fast, which means they cross any given spot at roughly the same local time on every pass — good for mapping, useless for weather. Hope settled into a huge ellipse, about 20,000 by 43,000 kilometres, with a period of 55 hours. From out there it sees most of the disc at once, and over a few weeks it works through every hour of the Martian day at every longitude. Nobody had ever assembled that picture: a global, all-hours record of dust, water vapour, ozone and temperature across a full Martian year.
It found things nobody was looking for. Its ultraviolet spectrometer caught discrete aurora — patchy glows that trace where Mars's scattered crustal magnetic fields funnel solar electrons down into the air — and then a stranger variety, a sinuous streak of aurora running for thousands of kilometres, which still has no settled explanation. In 2023 Hope swung within about 100 kilometres of Deimos, the closest approach since Viking in 1977, and the spectra suggested the moon is made of Mars-like material rather than a captured asteroid.
In February 2026 the UAE extended the mission to 2028. Everything Hope returns goes into a public archive with no proprietary period — no embargo window for the teams who built the instruments, no privileged first look — which is not how a first mission usually behaves.