The new astronomical parallax measurements alone would be useful.
Don't know exactly how much more precision you'd get from a baseline that much wider than Earth's orbit. Astronomy experts are welcome to weigh in on this.
Space/Science » in reply to It would be cool if there was a movement to tag all the earth-crossers...
Don't know exactly how much more precision you'd get from a baseline that much wider than Earth's orbit. Astronomy experts are welcome to weigh in on this.