400 km is in the atmosphere though.
@Ajunta Pall, Damn, their antenna must be long.
@Ajunta Pall, the karma, line which is the defacto definition of space, is 100km up. Anything past this point (and this point included tbh) is way too sparce to really be considered
@Darth Panserbjorne, but the exosphere...
@Darth Panserbjorne, wait, I know this terminology. Isn't it the common line?
@Darth Panserbjorne, Karman line, thr karma line is what hippies use as a control group
@Ajunta Pall, Your point? They said it was from MORE than 400Km. Mars is more than 400Km.
@fuddruckers, yeah, I didn't realize auto correct got me
@Ajunta Pall, karman line, sorry. Autocorrect snuck one past me
@Darth Panserbjorne, I figured as much. It happens to the best us. I just wanted to be "that guy" for a hot second as well.
@Ajunta Pall, space systems engineer here. 400 km is about where ISS orbits. There is still residual atmospheric particles but the technical “edge of space” like you guys said is typically given as 100km or 60 miles if you ask the DOD. But still, at 400 there’s enough residual to cause enough drag to require ISS to be boosted up every so often. Since the atmosphere decays exponentially, some lower orbits have very bad drag effects and objects there tend to de-orbit very quickly. Not the case at 400 though. It would take several years depending on what it is you’re deorbiting.
@Ajunta Pall, I was gonna say that doesn’t sound anywhere near far enough
400km? Mars is over 200million km away.
@NotTheDoctor, Even at its closest you're still looking at 38.6 million km.
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October 6, 2020. Mars came 38 million km from Earth
@jayne cobb, I stand corrected. Maybe I should actually read the article next time, not just the snippet Google gave me.
Percy is doing it’s best! *hugs rover*
@Nurse Joy, "Houston, I don't know how a nurse got on Mars but she's handling expensive government property so I'm pretty sure we should send someone."
300 million miles folks
Wouldn't it have been like 50 years ago? Like way before HD before internet before household computers.
I remember arguing with my IT teacher about being able to get data to and from Mars faster. I tried to explain that no matter how advanced we get, unless our understanding of physics is wrong, you'll never get that data there instantly. You cant break the speed of light...
The lie: The mars missions are for the people.
The reality: We get a bit of video of the landing, and then nothing. We should get pretty much live coverage of everything if it was for the people.
@TheMightyImp, good luck sending back live hi def audio and visual data from Mars any time soon. Hell we get on the order of hundreds of Kb’s now and look up the size of the antennas we need for that. Google the Deep Space Network ground stations. Live streamed video from Mars is a long ways away. And even “live streamed” would be delayed at the very least 11-12 minutes.
@HammerOfHeretics, ugh. The time delay is unavoidable. My point clearly was, it's not like we are even getting any stills per day through the national press. Maybe there is a website that has daily stuff, I don't know, but it's still gonna be behind a paywall or less accessable to many who saw the landing and then no updates. Exciting times
@TheMightyImp, literally go to the Perseverance Twitter page and you got everything you need. NASA’s website on the rover is extensive. And 0% of official NASA things are behind a paywall. It’s a government agency, can’t charge for this stuff. It’s all there. Just look for it.
@HammerOfHeretics, ok, thanks.