NASA's Perseverance Mars Rover (Twitter) Update: I've started my climb up the Jezero Crater rim! My team has a few spots for me to explore along the way – but they're most excited about an area over the crest and outside the crater called Witch Hazel Hill, which includes the most ancient Martian crust on my journey. https://twitter.com/NASAPersevere/status/1823847477315035642#m