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2answers
89 views

What's the advantage of NASA's flying saucer over traditional aerodynamic models?

NASA has recently tested a saucer-shaped spaceship. What's the advantage of this new design over traditional aerodynamic designs? The test launch was performed from within atmosphere which would ...
0
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0answers
60 views

What “time” is it for or on Voyager 1? If you could be “still” in the Universe who fast would time be? [duplicate]

I just sent this to JPL but am not putting all my eggs in one basket so thought I would try some other clever people. :-) I think about physics and space quite a lot but I'm not a maths genius so do ...
0
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2answers
104 views

Regarding space launch hazard and near earth debris [closed]

I have saw this picture in wikipedia and I begin to wonder why doesn't current space launches take consideration of avoiding space debris, as say you want to sent a robotic mission to mars, during ...
3
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1answer
401 views

how does international space station change its orientation?

In what way does the rotating gyroscope help in changing the orientation of the international space station in space ? Is there any other way to change the the orientation of ISS ?
4
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3answers
146 views

What can we learn about physics by doing experiments at the end of the heliosphere?

My question is very naive, as I do not know cosmology and astrophysics. I am asking it just for general curiosity. All of us know that Voyager I is now going out of heliosphere, and now sending data ...
3
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1answer
121 views

How is it the Voyagers are a few seconds closer to Earth than earlier?

The Voyager 2 tweet of March 01, 2013 put it's distance at 14 hrs 04 mins 23 secs of light-travel time from Earth. A more recent (earlier today) tweet says it is 14 hrs 04 mins 22 secs of light-travel ...
2
votes
1answer
173 views

What if Felix Baumgartner went the other way?

How much harder would it have been for Felix to use some powered sled and head for the ISS when he stepped out of his capsule? He was already above most of the atmosphere. BTW, Is that capsule still ...
1
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1answer
144 views

How do they point a camera on a space probe?

When a probe like Voyager 1 is sent into deep space they are able to point the camera at the planet and its moons and take pictures. How is the camera pointed at the object? Is the camera fixed to ...
2
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0answers
88 views

What's the point in shooting down space debris? [closed]

From this news item on a planned North Korean satellite launch comes the quote: The Japanese government has pledged to shoot down any debris that falls over its territory. To me, that sounds ...
2
votes
2answers
68 views

Where can I find information on space navigation, and the people who pioneered it?

I'm doing a paper for school about space navigation. It's an interesting subject, but upon searching google, all I could find were non-detailed explanations of astrophysics that I think are meant for ...
10
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2answers
147 views

Why did the WMAP mission last so much longer than Planck?

NASA endorsed 9 years of data taken with the Wilkinson Microwave Anisotropy Probe (WMAP). The High Frequency Instrument aboard the Planck satellite ran out of coolant at the start of 2012, after about ...
4
votes
1answer
41 views

Have Sterling Engines Been Used In Outer Space?

I was reading about Stirling Generators having potential applications for power generation in outer space. Have Stirling engines ever been sent into space?
3
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2answers
100 views

What is stopping us from stick building a space station?

I want to understand why we do not build space stations in a similar way that we build a home, piece by piece. Instead we construct modules on the ground and fly them up. Are there some technical ...
3
votes
1answer
80 views

Cassini: What information could be gained from the 2017 impact with Saturn?

First of all: Will Cassini be operational in 2017 (pending no unforeseen equipment failures)? Power Communications ... What information could we gain? Properties of Saturn How to build more ...
7
votes
2answers
3k views

Where are the Voyagers going?

Given enough time, where are the Voyager spacecrafts heading? (Assuming some alien civilization doesn't pick them up.) Will they pass by any interesting stars on the way to the black hole at the ...
7
votes
3answers
539 views

How can Voyager 1 escape gravity of moons and planets?

I think this one is pretty simple so excuse me for my ignorance. But since most planets in our solar system are very well tied to their orbit around the sun or orbit around their planet (for moons), I ...
3
votes
1answer
707 views

Where to find information on the pulsar map written to Voyager's golden record?

Where might I find details about the pulsar map written on the Voyager's golden record? This diagram defines the location of our Sun utilizing 14 pulsars of known directions from our sun. ...
5
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1answer
94 views

What is the most convenient rocket engine to use exclusively in space?

I mean what parameters should a rocket engine that is used exclusively in space (last stage of a lunar rocket for instance) have?
6
votes
2answers
396 views

Why aren't space probes like New Horizons sped up in space?

So the New Horizons project is sending a probe out to image Pluto and Charon. As they're pretty far away, it will take the New Horizons probe nearly 10 years to get there (in 2015, having been ...
9
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1answer
216 views

Has a human ever perished in space?

Apollo 13 returned safely. The Challenger was leaving when it exploded. The Columbia was coming back when it burned up, as was that Russian guy who was profiled on National Public Radio (NPR) and that ...
8
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5answers
100 views

Exoplanet detection via space-based parasol

I remember from watching Cosmos years ago, Carl Sagan suggested an interesting hypothetical method for directly seeing exoplanets. He proposed that in the 'future' we could launch a satellite designed ...
3
votes
1answer
101 views

What effects will the heliosheath have on the Voyager spacecraft?

I wanted to know what effects the heliosheath will have on the Voyager 1 & 2 craft. I know they used the slingshot method to travel through our solar system; so, with being way out in the ...
9
votes
2answers
2k views

Cameras in Voyager probes

I've always wondered about the cameras in the space probes, especially in the Voyagers. 1) What kind of cameras do they have? Digital? (What kind of sensor and megapixel count?) Analog? (Do they ...
13
votes
1answer
394 views

Are the Voyager probes still sending us a signal ?

This article reported today, a finding from one of the voyager probes. It talks about magnetic structures at the (far) outer edge of our solar system. Does that mean we're still able to pick up a ...
12
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2answers
114 views

What is the most distant object from the Earth that a spacecraft has visited to date?

What is the most distant object from the earth that a spacecraft visited has visited so far? What was the mission and when did it happen?
5
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1answer
744 views

The most distant point from the earth that a space shuttle has reached

What is the most distant point from the Earth that a space shuttle has reached? When did this happen?
3
votes
1answer
212 views

What kind of telecommunication systems do astronauts use in space?

What kind of telecommunication systems do the astronauts use in space? I ask about both earth-to-space and space-to-space.
6
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2answers
71 views

After the Space Shuttle is retired, how will the new sections of ISS be launched?

The International Space Station (ISS) had many of its components launched by the Space Shuttle. After the Space Shuttle's retirement, what is the proposed launch vehicle for new ISS sections?
6
votes
3answers
205 views

How does a spacecraft's orientation get determined

What method are employed to determine a spacecraft orientation with respect to a known orientation or plane? Are gyroscopes reliable enough to make this determination, for example in Voyager ...