According to Osho, of course—because our essence is cosmic. He uses the question playfully to point beyond biography: consciousness doesn’t belong to any country or planet; it is the vastness itself. Recognize yourself as part of the boundless universe, not a local accident. From that vision, freedom, humor, and nonattachment naturally flower.
He’s jokingly saying we all come from the vast cosmos, so don’t limit who you are to just Earth labels.