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Emily Lakdawalla Profile picture
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18 Feb, 14 tweets, 3 min read
LDKJGHLADKJGH ;ASDHA; K JGHA;HLKVAWTBPNOAIRTVLO WHPISETHP IAUWHPI WE LANDED ON MARS
THANK YOOUUUUU MARS RECONNAISSANCE ORBITER TEAM FOR BRINGING US THE TELEMETRY I know how hard y'all had to work to make that happen and it was very appreciated!

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More from @elakdawalla

Emily Lakdawalla Profile picture
19 Feb
Many others will be sharing photos this morning. I'm going to do something different: read through Maki et al. (2020), the paper describing Perseverance's engineering cameras, and provide you some context for those pictures. link.springer.com/article/10.100… Image
First: What and Where are the cameras? From left:
- 3 Parachute Uplook Cameras (PUC), mounted to backshell
- 1 Descent Downlook Camera (DDC), mounted to descent stage, pointing at rover
- 1 each Rover Uplook & Rover Downlook Camera, mounted to top & bottom of rover deck Image
- 2 Navcams, on mast, for surveying landscape for driving
- 6 Hazcams, on rover body, 4 front & 2 rear. Only 1 front pair is in use at a time (others are for redundancy), for surveying near field for drive safety & arm positioning
- 1 Cachecam inside rover body for sample images ImageImageImage
Read 19 tweets
Emily Lakdawalla Profile picture
19 Feb
Those of you waiting for Perseverance pics: I'm about to do y'all a service. I have a radio interview in 7 minutes. They will certainly arrive while I am busy doing that.
Speaking of: listen in!
Standing by, will be on after the commercial break
Read 4 tweets
Emily Lakdawalla Profile picture
18 Feb
Jennifer Trosper: in 2 downlinks this pm, expect EDL up-looking camera movie thumbnails; Hazcams w/deployed lens covers; and maybe one EDL down-look full-res.
Rover is about 1 km to the SE of center of landing ellipse in a parking lot with rover tilted 1.2 degrees. Facing southeast at roughly 140 degrees. Power good; RTG was producing 105W before EDL. Battery state of charge 95%. Small ripple field separates rover from delta to NW.
Landing is 2km to SE of nearest part of delta, on the boundary between 2 rock units (good for geology): "mafic floor unit" and "olivine-bearing unit."
Read 4 tweets
Emily Lakdawalla Profile picture
18 Feb
Ready to watch the post-landing press briefing! And taking full advantage of being at home so I can celebrate properly.
Briefing hasn't started yet, but it's extremely normal for the first post-landing briefing to be late. Give them a few minutes to get their image captions posted, folks corralled into safely distanced broadcast locations, etc. In due time.
Meanwhile, enjoy this website for the latest pictures from Mars: mars.nasa.gov/mars2020/multi…
Read 5 tweets
Emily Lakdawalla Profile picture
18 Feb
Landing Eve. What a weird Landing Eve. This will be the first Mars landing I have not attended at JPL since 2001. I was there for both MERs, Phoenix, Curiosity, and Insight. Since Phoenix I’ve always brought in coffee, fresh fruit, and granola bars to fuel the non-local media.
(I really love being the Press Room Soccer Mom and miss being able to support those who bring news from Mars to the world in that way this year.)
I’m not even reporting in my usual way tomorrow. I’ve written very little about this landing; I’m paying attention, I’m reading, but my creative time and energy are consumed by my kids’ and household’s lockdown needs and my health. It’s all so weird.
Read 5 tweets
Emily Lakdawalla Profile picture
16 Feb
Join me LIVE Feb 18 with @VICENews at 11:45 PT / 14:45 ET / 19:45 UT to witness the landing of @NASAPersevere! I'll share all the detail I can cram into my brain over the next 2 days -- technical geekery you won't get on any other public broadcast.
Before landing I'll have 2 guests. First up will be @LifeAtPurdue's Briony Horgan to talk about @NASAPersevere's science mission eaps.purdue.edu/people/profile…
My second guest on the Feb 18 @VICENews livestream will be @NASAJPL's @YazzieSays says, to talk about @NASAPersevere mechanical engineering, especially the sample-collection plans! aaronyazzie.com/about
Read 18 tweets

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