He didn't. Mars has been observed from ancient times.
Huygens did make some useful observations of Mars.
he was an astromiter
so it can discover mars.
Mars has no rings. Thats what I have learned.
Planet Mars has never discovered anything!
To discover more about it.
THEY WERE SENT TO MARS SO THAT WE CAN DISCOVER MANY NEW THINGS ON MARS!!!
most people want to discover life
Scientists did not discover Mars. It was first noticed in the skies by ancient peoples sitting in the open observing the night sky.
ice
frozen water
In the night sky.
telescope