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Explanation: Solar System bodies make deep space exploration more fuel efficient! TodayÁs video shows the Psyche spacecraft gaining speed and changing its trajectory with minimal fuel spent due to a gravity assist from Mars in May 2026. Mars has an average orbital speed of almost 87,000 km/h (54,000 mph) around the Sun. Its orbital motion and its gravity allowed Mars to pull Psyche along with it, increasing the spacecraftÁs speed. Gravity assists have been used since 1959Ás Luna 3 mission to allow for spacecraft (the Voyagers, Cassini) to reach farther than they could with fuel alone. This assist helped the Psyche spacecraft on its journey to the Psyche asteroid, which it will reach in 2029. While passing Mars, the spacecraft tested instruments that will analyze the asteroidÁs composition and magnetic field. This is the first mission to an asteroid thought to be largely made of metal, an essential building block for planets, rather than rock or ice.
Find dark skies and look up this August to witness
the Perseid meteor shower
uninhibited by the Moon!
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NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.
Based on Astronomy Picture
Of the Day
Publications with keywords: asteroid - Mars - spacecraft
Publications with words: asteroid - Mars - spacecraft
See also:
- APOD: 2026 July 28 Á Barnards Loop over Twin Volcanoes
- APOD: 2026 July 21 Á Turtle Rock on Mars
- APOD: 2026 June 30 Á Unusually Smooth Sections of Asteroid Itokawa
- APOD: 2026 June 27 Á Mars Marathon by Perseverance
- APOD: 2026 February 22 Á Shadow of a Martian Robot
- APOD: 2026 February 1 Á Galle: Happy Face Crater on Mars
- NanoSail D2