For exactly a year today
China's Tianwen-1 probe has been busy
exploring and adjusting to its harsh Martian environment.
Recent experiments have shown that
"terrestrial plants are capable of growth in lunar regolith"
but that major "metabolic challenges need to be surmounted".
With New Zealand signing the international agreement
there are presently eleven nations
committed to this "set of principles to guide the safe and sustainable
exploration and use of outer space".
Hayabusa 2 is about to land a small capsule
with samples of rock and dust from asteroid Ryugu
near Woomera in South Australia
on December 6th (local time).
OSIRIS-REx's robotic arm
has had a first go at collecting a sample
from Asteroid BENNU's rugged surface.