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Nov 24th, 2017, 11:51pm



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 veryhotthread  Author  Topic: How Does Space Exploration Benefit Humanity?  (Read 3102 times)
MOKSHA
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xx Re: How Does Space Exploration Benefit Humanity?
« Reply #30 on: Jan 27th, 2017, 4:13pm »

4 all you spacey people.

https://www.reddit.com/r/space/comments/5qb4c5/direct_imaging_of_four_planets_orbiting_the_star/


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xx Re: How Does Space Exploration Benefit Humanity?
« Reply #31 on: Jan 27th, 2017, 7:13pm »

on Jan 27th, 2017, 4:13pm, MOKSHA wrote:
4 all you spacey people.

https://www.reddit.com/r/space/comments/5qb4c5/direct_imaging_of_four_planets_orbiting_the_star/


kiss


NICE FIND ! WOW !!! cool

https://astrobiology.nasa.gov/news/a-four-planet-system-in-orbit-directly-imaged-and-remarkable/


shocked shocked cool
« Last Edit: Jan 27th, 2017, 7:14pm by Cliff-67 » User IP Logged

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xx Re: How Does Space Exploration Benefit Humanity?
« Reply #32 on: Jan 27th, 2017, 9:58pm »

Breath Taking nice Job Moksha! It takes a lot to impress Cliff Astronomywise..I just twittered it.. grin
This beats politics anyday..
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« Reply #33 on: Jan 27th, 2017, 11:17pm »

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grin
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« Reply #34 on: Jan 28th, 2017, 10:04am »

I miss the shuttle program. cry

Here's the " Dream Chaser " cool


https://www.youtube.com/watch?v=BtPadq0hK9c


NASA

Jan. 26, 2017

Dream Chaser Spacecraft Arrives at NASA Armstrong


https://www.nasa.gov/centers/armstrong/features/dreamchaser_arrives_at_armstrong.html
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xx Re: How Does Space Exploration Benefit Humanity?
« Reply #35 on: Jan 30th, 2017, 10:10am »


New suits / Starliner cool


https://www.youtube.com/watch?v=lOSsx8ukYs0

Today's APOD :

" Cats Eye " wink

https://apod.nasa.gov/apod/ap170130.html


« Last Edit: Jan 30th, 2017, 10:20am by Cliff-67 » User IP Logged

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xx Re: How Does Space Exploration Benefit Humanity?
« Reply #36 on: Mar 12th, 2017, 11:53am »

NASA

Feb. 24, 2017

NASA Kicks off Study to Add Crew to First Flight of Orion, SLS as Progress Continues to Send Humans to Deep Space

NASA is assessing the feasibility of adding a crew to the first integrated flight of the agency’s Space Launch System (SLS) rocket and Orion spacecraft, Exploration Mission-1 (EM-1). NASA is building new deep space capabilities to take humans farther into the solar system than we have ever traveled, and ultimately to Mars.

Acting Administrator Robert Lightfoot announced Feb. 15 that he had asked William Gerstenmaier, associate administrator for NASA’s Human Exploration and Operations Mission Directorate in Washington, to conduct the study, and it is now underway. NASA expects it to be completed in early spring.

The assessment will review the technical feasibility, risks, benefits, additional work required, resources needed and any associated schedule impacts to add crew to the first mission.

“Our priority is to ensure the safe and effective execution of all our planned exploration missions with the Orion spacecraft and Space Launch System rocket,” said Gerstenmaier. “This is an assessment and not a decision as the primary mission for EM-1 remains an uncrewed flight test.”

The assessment is evaluating the advantages and disadvantages of this concept with regards to short- and long-term goals of achieving deep space exploration capabilities for the nation. It will assume launching two crew members in mid-2019, and consider adjustments to the current EM-1 mission profile.

During the first mission of SLS and Orion, NASA plans to send the spacecraft into a distant lunar retrograde orbit, which will require additional propulsion moves, a flyby of the moon and return trajectory burns. The mission is planned as a challenging trajectory to test maneuvers and the environment of space expected on future missions to deep space. If the agency decides to put crew on the first flight, the mission profile for Exploration Mission-2 would likely replace it, which is an approximately eight-day mission with a multi-translunar injection with a free return trajectory.

NASA is investigating hardware changes associated with the system that will be needed if crew are to be added to EM-1. As a starting condition, NASA would maintain the Interim Cryogenic Propulsion stage for the first flight. The agency will also consider moving up the ascent abort test for Orion before the mission.

Regardless of the outcome for the study, the feasibility assessment does not conflict with NASA’s ongoing work schedules for the first two missions. Hardware for the first flight has already started arriving at NASA’s Kennedy Space Center in Florida, where the missions will launch from the agency’s historic Pad 39B.

CONTINUE HERE :

https://www.nasa.gov/feature/nasa-kicks-off-study-to-add-crew-to-first-flight-of-orion-sls-as-progress-continues-to-send


Huge ! shocked



« Last Edit: Mar 12th, 2017, 11:57am by Cliff-67 » User IP Logged

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« Reply #37 on: Mar 12th, 2017, 2:10pm »

Not all that many years ago air travel was considered to be somewhat risky. Indeed there were quite a lot of fatalities every year.

but we have more or less got the kinks ironed out of the engineering and the systems.

Until the space organisations can make trips to the Moon, and then trips to Mars as routine as, say, flying from London to Australia then I think they would be better putting the deep space stuff on the back burner. Walk before we run.

The ability to manufacture space craft on the Moon with it's much lower gravity well is, in my opinion, the way to go.

Manufacture on the moon, assemble in a Lagrange point.
much less energy needed than making and launching from Earth.

HAL
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xx Re: How Does Space Exploration Benefit Humanity?
« Reply #38 on: Mar 12th, 2017, 2:22pm »

Mind you, If we do get to mars.

When the first settlement is established the people there will build a church, mosque . synagogue, temple etc and offer thanks and prayers to some non existent God.

From that moment on they are stuffed. It will be business as usual.

HAL
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p.s. anyone with 100% proof of a God can start a thread and enlighten this poor atheist; Note I did write 100% proof.

smiley
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« Reply #39 on: Mar 12th, 2017, 2:52pm »

You mentioned God, lagrange points, and Mars, here's an article I ran across last night.

NASA proposes a magnetic shield to protect Mars' atmosphere


https://phys.org/news/2017-03-nasa-magnetic-shield-mars-atmosphere.html?utm_source=fark&utm_medium=website&utm_content=link&ICID=ref_fark

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« Reply #40 on: Mar 12th, 2017, 3:28pm »

Cliff,

Sounds like a good idea.

The problem (well, one problem) with these long term projects is that governments don't seem to think in such terms.

Could this idea be implemented using robotic assembly ?

Or will people be needed 'on site' ?

Maybe if they can get the principle of a magnetic shield to work around a Mars orbiting space station then it could be sent there and used as a home for workers whilst the big version was built.

Or maybe magnetically protect Phobos ?

I wonder if the magnetic drag would upset the orbit ?

Always more questions than answers.

Won't happen in my time.

HAL
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xx Re: How Does Space Exploration Benefit Humanity?
« Reply #41 on: Mar 12th, 2017, 6:55pm »

on Mar 12th, 2017, 2:52pm, Cliff-67 wrote:
You mentioned God, lagrange points, and Mars, here's an article I ran across last night.

NASA proposes a magnetic shield to protect Mars' atmosphere


https://phys.org/news/2017-03-nasa-magnetic-shield-mars-atmosphere.html?utm_source=fark&utm_medium=website&utm_content=link&ICID=ref_fark



Interesting article
Cliff-67
4 sum reason I think they know more than what they are saying.

It did remind me of a Ancient built shaft, and it's possible purpose,
Mars has more than one difference with Earth.
http://www.universetoday.com/14837/volcanoes-on-mars/

BUILT ANCIENT SHAFT
https://www.youtube.com/watch?v=EWW1uLX3ClY

I'll let the poor atheist talk about God and Buildings,
he seems to enjoy the subject, so do I.
Thanks for your givings HAL,
most interesting,
"STUFFING"
I do like sausage in my stuffing.
grin
wink
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xx Re: How Does Space Exploration Benefit Humanity?
« Reply #42 on: Mar 14th, 2017, 5:06pm »

One problem with going to Mars is the slowing down at the end of the journey.

The HAL Solution.

Build a big spaceship as mentioned. I mean big. Maybe a half file long and quarter mile wide. A big cylinder. Build it in space, no need to worry about aerodynamics there.

The thing is fitted with the magnetic shielding. no problem from radiation.

But most important, it is powered by a solar sail. No need for fuel to get there.

It will have motors as do other space craft, but they will be used only for braking on arrival. No need to come steaming in relying on exquisitely precise calculation to slow down with an atmospheric drag. very risky those.
The ship will ease slowly in to orbit.

Once it is there extra fuel can be sent out by remote to use on the way back. Or use home brew.


There is another thing that will be interesting. Mars, as far as I know, has never been said to have oil.
Thus it will be all electric.
Solar and nuclear.

As the atmosphere is so thin it may lend itself to satellite bases energy transmission from orbiting solar panel stations.

Interesting times ahead.

'Piece of pie'

HAL
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xx Re: How Does Space Exploration Benefit Humanity?
« Reply #43 on: Mar 14th, 2017, 6:28pm »

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Happy Pi day ! grin

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« Reply #44 on: Mar 14th, 2017, 8:03pm »

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cool
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