General > General Technical Chat

One Day Until "Seven Minutes of Terror"

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Macbeth:

--- Quote from: imo on February 18, 2021, 09:21:03 pm ---I wonder why we do not have a video from the landing - ie. video made off the skycrane sent to MRO..

--- End quote ---
Because they have more important data to deal with first on an extremely low latency and bandwidth connection maybe?

iMo:
Datarate MRO->Earth - 0.5-4Mbits/sec

MikeK:

--- Quote from: Macbeth on February 18, 2021, 09:31:45 pm ---
--- Quote from: imo on February 18, 2021, 09:21:03 pm ---I wonder why we do not have a video from the landing - ie. video made off the skycrane sent to MRO..

--- End quote ---
Because they have more important data to deal with first on an extremely low latency and bandwidth connection maybe?

--- End quote ---

Exactly.  The landing is autonomous; nothing NASA can do one way or the other.  Landing video has little to no scientific value.  The instruments tell them everything they need to know.

I hope the expected sample return happens.  Perseverance is supposed to take samples, with a future mission bringing them back, as *early* as 2031.  Too bad it's not sooner.

iMo:

--- Quote from: MikeK on February 18, 2021, 09:45:28 pm ---..
I hope the expected sample return happens.  Perseverance is supposed to take samples, with a future mission bringing them back, as *early* as 2031.  Too bad it's not sooner.

--- End quote ---
SN99 will pick them up :)

hamster_nz:
Have a look at https://eyes.nasa.gov/dsn/dsn.html if you want to see realtime info on the Deep Space Network.


--- Code: ---DOWN SIGNAL
SOURCE - MARS RECONNAISSANCE ORBITER
TYPE - DATA
DATA RATE - 2.00 Mb/sec
FREQUENCY - 8.44 GHz
POWER RECEIVED - -117.82 dBm (1.65 x 10-18 kW)
[code]
--- End code ---

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