The machine waiting to count the worlds
At Kennedy Space Center's Launch Complex 39A, the Falcon Heavy rocket carrying the Roman Space Telescope has been raised vertical. The launch vehicle uses 27 Merlin engines, split between a centre core and two side boosters.[1], [2]
NASA describes the observatory as roughly the size and weight of a school bus. It is bound for the L2 point, about 1.6 million kilometres from Earth. From there, according to NASA, the telescope probes dark energy and takes on a statistical census of planetary systems. NASA and SpaceX are targeting liftoff on Sunday.[1], [2]
The mirror in the dark
Pause and think about that phrase: a statistical census. For decades we have looked up wondering if we are alone, searching for single points of light. Now we are sending an instrument not just to find individual planets, but to map their distribution. We are trying to measure exactly how ordinary or rare our own planetary arrangement is.[2]
By sending an observatory 1.6 million kilometres away to count other worlds, we are mapping the context of our own existence. The universe found a way to know itself, and for now, its name is us. The frontier sits at the thin edge where what we know meets what we dared to ask.[1], [2]