High-priority alert based on source significance and keyword relevance.
Context
What happened: Japan's H3 rocket launched the MMX probe on Tuesday, starting a three-year mission to collect samples from Phobos and study the origins of the Solar System.
Key numbers: Three-year mission; launch on Tuesday.
Why it matters: The mission aims to collect samples from Phobos and study the origins of the Solar System.
Coverage: 12 outlets in 24h