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8 years ago

Mission Possible: Redirecting an Asteroid

As part of our Asteroid Redirect Mission (ARM), we plan to send a robotic spacecraft to an asteroid tens of millions of miles away from Earth, capture a multi-ton boulder and bring it to an orbit near the moon for future crew exploration.

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This mission to visit a large near-Earth asteroid is part of our plan to advance the new technologies and spaceflight experience needed for a human mission to the Martian system in the 2030s.

How exactly will it work?

The robotic spacecraft, powered by the most advanced solar electric propulsion system, will travel for about 18 months to the target asteroid.

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After the spacecraft arrives and the multi-ton boulder is collected from the surface, the spacecraft will hover near the asteroid to create a gravitational attraction that will slightly change the asteroid’s trajectory.

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After the enhanced gravity tractor demonstration is compete, the robotic vehicle will deliver the boulder into a stable orbit near the moon. During the transit, the boulder will be further imaged and studied by the spacecraft.

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Astronauts aboard the Orion spacecraft will launch on the Space Launch System rocket to explore the returned boulder.

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Orion will dock with the robotic vehicle that still has the boulder in its grasp. 

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While docked, two crew members on spacewalks will explore the boulder and collect samples to bring back to Earth for further study.

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The astronauts and collected samples will return to Earth in the Orion spacecraft.

How will ARM help us send humans to Mars in the 2030s?

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This mission will demonstrate future Mars-level exploration missions closer to home and will fly a mission with technologies and real life operational constraints that we’ll encounter on the way to the Red Planet. A few of the capabilities it will help us test include: 

Solar Electric Propulsion – Using advanced Solar Electric Propulsion (SEP) technologies is an important part of future missions to send larger payloads into deep space and to the Mars system. Unlike chemical propulsion, which uses combustion and a nozzle to generate thrust, SEP uses electricity from solar arrays to create electromagnetic fields to accelerate and expel charged atoms (ions) to create a very low thrust with a very efficient use of propellant.

Trajectory and Navigation – When we move the massive asteroid boulder using low-thrust propulsion and leveraging the gravity fields of Earth and the moon, we’ll validate critical technologies for the future Mars missions. 

Advances in Spacesuits – Spacesuits designed to operate in deep space and for the Mars surface will require upgrades to the portable life support system (PLSS). We are working on advanced PLSS that will protect astronauts on Mars or in deep space by improving carbon dioxide removal, humidity control and oxygen regulation. We are also improving mobility by evaluating advances in gloves to improve thermal capacity and dexterity. 

Sample Collection and Containment Techniques – This experience will help us prepare to return samples from Mars through the development of new techniques for safe sample collection and containment. These techniques will ensure that humans do not contaminate the samples with microbes from Earth, while protecting our planet from any potential hazards in the samples that are returned. 

Rendezvous and Docking Capabilities – Future human missions to Mars will require new capabilities to rendezvous and dock spacecraft in deep space. We will advance the current system we’ve developed with the international partners aboard the International Space Station. 

Moving from spaceflight a couple hundred miles off Earth to the proving ground environment (40,000 miles beyond the moon) will allow us to start accumulating experience farther than humans have ever traveled in space.

Make sure to follow us on Tumblr for your regular dose of space: http://nasa.tumblr.com


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11 years ago
REDIRECT THEME 01 - LULLABY

REDIRECT THEME 01 - LULLABY

Live Preview ❖ Download: Pastebin - Freetexthost

Please leave the credits intact. Do not remove or move it to a secondary page. Do not copy, use as a base code, or redistribute. You may edit is as much as you wish but please don’t claim it as your own. If there’s any error in the coding, please notify me. Liking/reblogging when using is very appreciated. Thank you and enjoy.

Features:

150x150 image.

Can be used for both redirect theme or saved URL theme. For the latter, please tick the SavedPage box.

Important:

For both old and new URLs, simply type in the URL without the .tumblr.com.

The picture will be resized to 150px in width. Please use a static picture instead of GIF. For the best result please use either a square picture or a portrait-oriented one.


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11 years ago
URL Redirect #1
URL Redirect #1

URL redirect #1

live preview | download: pastebin, github

This one matches my theme #1 but of course you can use it for whatever.

URL redirect #2

live preview | download: pastebin, github

Features:

Simple redirect themes - just enter your new URL in the text field in the appearance options.

For both themes you can upload a background image and an icon image.

If you don’t upload an icon the theme will just use your blog’s icon.

For URL redirect #1 you can also upload a pattern image.

Colors are customizable in the appearance options!

rules:

You MAY:

edit to your liking for YOUR PERSONAL USE

change the colors and images and etc (of course)

You MAY NOT:

steal

redistribute

claim as your own

take any part of the code

use as a base

remove the credit

combine with other themes

Please like or reblog if using, and report any issues to my themes blog!


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11 years ago
Accioloki’s First Theme Pack!
Accioloki’s First Theme Pack!
Accioloki’s First Theme Pack!

Accioloki’s first theme pack!

rules:

Please don’t move, remove or alter the credit

Please don’t redistribute as your own or take snippets from this

Edit away! but please don’t use it as a base code

I think that’s everything, enjoy! if you have any questions, just ask me and I’ll help you!:D

Theme 15: {live preview} + {code} + {code: with random image script}

up to 6 custom links

500px post size

main sidebar image must be 200x450px

the two other sidebar images must be 130x130px

hover on sidebar to show links and description (uses tooltip)

reblog and like button included

random image script can be included

Tags Page 2.0: {live preview} + {code}

4 columns

you can add however many rows you want by copying and pasting a whole row, it’s all clearly labelled in the code

border and scrollbar can be a pattern

hover on sidebar to show links 

sidebar must be 200x200px

Moved Page: {live preview} + {code}

images must be 600x200px or if it’s a pattern, it doesn’t matter

when putting urls, just put the actual url, for example just put ‘accioloki’


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11 years ago
Redirect Page 02

Redirect Page 02

» c o d e s  ·  preview · code

» i m p o r t a n t

IMAGE: 96px x 96px

OLD BLOG NAME: means the old blog NAME you were before. So if you were http://notfabulous.tumblr.com it would just be notfabulous.

NEW BLOG NAME: means the new URL name you are at, JUST the title so if your new url is http://fabulous.tumblr.com you would just put fabulous.

Because this is used in the redirect URL as well you MUST include dashes! ie. new blog name is very-fabulous, put very-fabulous or the link to your new blog will not work.

INSTALLING: you would install this just as you would a theme - not a page, as it is just a place holder blog. Doing so allows you to edit the colors, font, upload image, etc. as you would a custom theme. Enjoy!

» i n s p i r a t i o n  · nunmurithemes

Please like or reblog if you use/plan on using this page ♥


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