is there internet in space?
i heard that the internet is just an electromagnetic field that we can put information on and access. does that field extend to space?
- JosephLv 77 years agoFavorite Answer
The Internet is a system of Network Servers, Routers, Data Centers, Fiber Optic Lines, etc. All these are physical objects, that you can touch and feel. It is not an electromagnetic field.
Recently, there has been a lot of talk of "cloud computing," and having the data "in a cloud." This refers to storing the data not on your device where only you can access it, but on some server elsewhere, you or any authored individual can access it from anywhere and from any platform, e.g. the Smartphone, tablet, or Desktop computer. But the data doesn't reside in some nebulous electromagnetic field, but in some server.
The International Space Station is equipped with the Wi-Fi routers and is in constant radio contact with the ISS control centers, so the astronauts on board can have acces to the Internet to check their e-mails, and to communicate with their colleagues and families.
- PaulaLv 77 years ago
There can be internet in space.
In just the same way as satellite TV works , so radio (or other EM-electromagnetic) signals can be used for internet access.
That introduces a time delay --- between clicking "send" and receiving the requested internet page.
For ISS that is almost instantaneous. It is 300 km above earth. and light travels 300,000 km in one second. --- 1/1000th of a second
For people using a geostationary satellite, the signal path is 40,000 km times 2 = 80,000 km (plus relay time) .. And light takes 1/4 second to travel 80,000 km.
If we send people to the moon -- 380,000 km -- round trip for internet data is 760,000 km and light takes 2.5 seconds to go that far.
For Mars --- the distance of Mars varies from half an AU to 2.5 AU
1 AU is 150,000,000 km and light takes 8 minutes 20 seconds per AU
So Mars internet has a delay of about 4 minutes & 10 seconds up to 20 minutes & 50 seconds.
That's to update every new page.
Believe me, that would make using the internet on Mars very tedious.
Tedious --- but still usable.
- Anonymous7 years ago
As Joseph pointed out, the internet is much more than just an electromagnetic field. The electromagnetic field part of the internet is only in the method of transmission. One way to think of it is that anything with an antenna uses electromagnetic fields for communications. This includes your Wi-Fis, cell phones, radios, satellites, deep space probes, and other devices you wouldn't even think of like bluetooth devices, microwave ovens, DVD/blu-ray players, medical devices, etc.
The ISS communicates to the ground via EM waves, this includes their internet communications.
- GeoffGLv 77 years ago
No, the internet is NOT "an electromagnetic field." It is a _network_ of various interconnections which uses wires, electromagnetic transmission (radio), fibre optics, connected in a vast variety of ways, so that it is not affected by the collapse of any one element. It normally does not extend into space, but signals are beamed to and from the ISS by radio,
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- KathleenLv 44 years ago
It's possible using wireless and satellite technology. I suspect the connections might sort of come and go, since communications satellites are in geosynchronous orbit and the astronauts are much lower and change positions relative to comm sats. Any astronauts out there doing Yahoo answers? That would be a great source.
- 7 years ago
- BryanLv 77 years ago
Yup. Those people on the space station get on the internet and post videos etc.
- 7 years ago
yes, astronauts get to use internet in the space station. they can post videos on youtube just like a resent astronaut had posted, playing a guitar.
- aladdinwaLv 77 years ago
Please do not feed the troll.