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NASA's outdated SLS. Why does it exist?

eric3579 says...

"NASA's new rocket has been in development for over a decade, arguably it's a soft continuation from the Constellation program using the 5 segment boosters and Orion capsule that began development in 2005. It's been a slow, expensive ride with the contractors milking their cost plus contracts for their own benefit."
-Scott Manley

Makes it seem like NASA SLS is just providing jobs and not actually producing anything of value for each dollar spent. More telescopes, less rockets?

Nasa don't give them reasons to cut your budget or make politicians/public think you're less or unnecessary.

*promote the upcoming launch.

BSR (Member Profile)

Eta Carinae: 3D Model of the Most Dangerous Star Known

Eta Carinae: 3D Model of the Most Dangerous Star Known

WE ARE NASA!

Ashenkase says...

Come on NASA,

The shuttle and now the Orion spacecraft have been and are designed by congressmen and women for make work projects in their states.

The shuttle, although a marvel of engineering, was a death trap due to putting the most venerable structures down the stack.

ISS is a fantastic endeavour, but its low earth orbit and NASA has been struggling with a new direction for decades. The moon... no wait... asteroids... no wait... Mars... hold on... the moon.

Just PICK ONE, at least DOUBLE the funding to NASA and make whatever new project a national initiative. The American space industry can do unbelievable things when the proper foresight is put is place backed by money. (hay, maybe take some out of the military complex?!).

We will see if the Moon remains a target for NASA, maybe that will change when your current "leader" is removed... I am mean voted out of his "office".

The limits of how far humanity can ever travel - Kurzgesagt

gorillaman says...

Well just for fun, the math says ~24 days to .1c at a constant 1.5G. Obviously in practice those figures are a nonsense, but you can get there. The Project Orion people thought so, at least.

Then you simply coast for a few decades, turn your ship around, and start throwing the nukes out in front of you to slow down. Hell of a way to make an entrance at your destination.

MilkmanDan said:

Interesting. Does that account for the limits of the human body in terms of (long-term) exposure to G-forces from all that acceleration?

I'm sure we could use nukes to propel a craft to very high speeds very quickly, but I'd wager that limiting the acceleration to human tolerance would require that to be spread out over a much longer span of time.

A quick google search suggests that nobody really knows exactly how much we could handle in terms of long-term exposure to acceleration G-forces:
https://space.stackexchange.com/questions/6154/maximum-survivable-long-term-g-forces
(apparently the highest load we've ever tested on humans is 1.5G for 7 days -- without doing any math I'd wager we'd need a lot faster acceleration than that for a lot longer span of time to get to even 1/10th of c)

Nelly The Calm Owl

Zawash says...

*kids, *wtf
I've... seen things... you people wouldn't believe. Attack ships on fire off the shoulder of Orion; I watched c-beams glitter in the dark near the Tannhäuser Gate...

3-piece teen girl cover of Enter Sandman

poolcleaner says...

As a metal head myself, though I tend more towards the early bluesy Sabbath/KISS/SLB/Priest sounds and aesthetics of the late 60s and early 70s, my problem is less about the sandals and more about them playing into the public perception of "metal" --which is apparent when they cover the most over played piece of shit in the analogs of metal.

This is quintessentially not even metal when Metallica plays it. If these kids mattered in the realm of metal -- and they could have despite their sandals -- they would have covered Hit the Lights off of Kill Em All, (Mustane, bitch) or a moving instrumental like Orion off of Master of the Puppets.

Say what you will about Mustane and his unmetal born again bullshit, when you hear him on Hit the Lights... you're fucking owned by the beast. You know metal. And it knows you. Enter Sandman, NOT metal.

NOT. METAL. Listen to TRUE metal, bitch. Recommendations provided for you to begin the governance of your metal mind. Join the Metal Militia.

mxxcon said:

Open-toe sandals are really not metal..

Januari (Member Profile)

Launch of Orion

Launch of Orion

Orion: Trial By Fire

Orion Test Flight

Orion Test Flight

Orion Test Flight



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