Tag: artificial-satellite

64 Was the NOAA-N Prime satellite really dropped on the floor? 2013-09-05T13:45:46.993

43 What would be the (most difficult) challenge to make a "10,000 year satellite"? 2016-05-18T13:22:12.497

42 Why do artificial satellites need orbit correction, but natural ones don't? 2015-03-08T18:10:27.827

37 Would we be able to detect an extraterrestrial "Voyager" if it came near us? 2017-10-28T18:09:53.230

35 Is photography from a satellite good enough to make out a person on the ground? 2014-03-02T18:29:48.757

34 Does a satellite naturally turn in phase with its orbit, always facing Earth? 2014-05-04T13:05:49.680

31 What would one need to do to get an amateur satellite into orbit? 2017-12-09T20:07:07.297

30 How does GPS receiver synchronize time with GPS satellites? 2014-09-23T13:17:20.830

29 Why were early Soviet spacecraft spherical? 2015-07-28T20:47:17.257

29 Why are the GPS constellation satellites in such a high orbit? 2015-08-30T06:14:09.363

29 Is it possible to see animals from space? 2016-12-22T15:59:58.863

26 What is the smallest operational artificial satellite? 2013-08-01T16:16:30.753

26 Why didn't NASA use the shuttle to make a profit? 2015-07-29T13:29:02.737

26 Is it possible to track an object as small as the Tesla Roadster around the Solar System 2018-02-08T07:46:29.910

25 Does anyone who works at SpaceX know the paths of classified payloads? 2017-09-11T22:19:24.033

24 Is there any way to find and track Pioneer 10, 11, and Voyager 1, 2? 2014-02-04T07:20:21.400

22 Why is the ribbon of decommissioned geosynchronous satellites skewed? 2015-11-02T10:21:42.977

22 Is the Pi really fit for outer space? 2016-05-02T13:46:03.687

22 Did Sputnik 1 have attitude control? 2016-10-14T14:05:14.323

21 Are artificial satellites completely sealed or open to space? 2013-08-09T18:39:05.110

20 What is the oldest orbital satellite we can contact? 2014-03-15T21:23:13.893

19 Which artificial satellites in lunar orbit are currently active? 2013-07-17T10:49:37.273

19 What are the end-of-life options for large classified satellites? 2013-08-30T13:34:29.750

19 How many active or inactive artificial satellites are in Mars orbit? 2014-09-24T14:51:07.450

18 How full is the geostationary belt? 2013-08-08T18:22:05.123

18 Can spacecraft be made invisible to stations on Earth? 2013-08-19T14:08:11.343

18 How does a single rocket place multiple satellites into orbit? 2013-08-25T09:07:34.963

18 How can any probe be safe at one million degree Centigrade temperature? 2014-01-15T20:00:45.483

18 What was the first programming language in space? 2017-06-02T22:24:19.303

18 Suppose Zuma wasn't "lost" — what would it take to detect it? 2018-01-15T18:40:23.693

17 How do spacecraft navigate through the Asteroid belt to avoid collision? 2013-12-26T08:08:16.480

17 Minimum number of satellites to image the entirety of Earth's surface at all times 2015-03-11T13:47:57.023

17 What's the largest aperture telescope sent beyond the earth-moon system? 2016-07-05T17:07:10.403

16 Passive attitude stabilization with magnets - are there studies based on actual flight data? 2013-08-26T16:14:56.393

16 Why are photos of satellites most often computer generated? 2014-03-13T12:45:24.413

16 What's salvageable from a dead satellite? 2016-01-12T15:22:30.007

16 Do companies/governments ever sell satellites that are already in space? 2017-01-21T20:25:12.507

16 Why are obsolete geostationary satellites re-orbited above the geostationary belt? 2017-04-07T16:36:38.890

15 Under what circumstances would an object falling out of spacecraft start orbiting that spacecraft? 2013-07-17T20:34:30.047

15 What is the oldest artificial satellite still in use? 2013-08-25T12:59:13.173

15 Is there any footage of the rocket that launched Sputnik 1? 2014-02-07T16:16:34.467

15 What factors determine whether a spacecraft/probe/satellite uses gyroscopes or propellant thrusters to rotate? 2014-03-24T14:50:43.470

15 Why have so few countries developed satellite launching vehicles of their own? 2014-08-10T13:19:54.650

15 How did Falcon 9 deploy 11 satellites? 2015-12-23T12:17:56.970

15 How are GPS satellite clocks synchronized with each other in the earth's frame of reference? 2016-03-07T14:13:27.697

14 How much do orbital debris cost annually to satellite operators? 2014-12-13T22:33:58.233

14 How many dead sats near GEO? 2015-05-22T19:59:27.433

14 How to tell a satellite is tumbling and out of control? 2016-02-10T04:34:21.793

14 What satellites did the Shuttle retrieve from orbit? 2016-05-02T04:07:47.507

14 WHY did Rosetta have to go into hibernation for 2.5 years? 2016-05-22T13:58:24.290

13 Is the first Russian satellite still beeping? 2013-08-24T23:59:23.730

13 How big of a problem is the Lunar eclipse in April 2014 for LADEE? 2013-09-02T18:57:40.390

13 How does one build software for a Satellite such that a new build doesn't break it? 2014-02-07T15:43:37.040

13 Can you make out the shape of the ISS with the unaided eye as it passes overhead? 2014-04-19T00:00:54.783

13 Do solar panels on satellites gather dust and need cleaning? 2014-09-14T15:24:52.660

13 How accurately (maximum possible accuracy) can future satellite positions be predicted? 2015-01-29T23:00:29.233

13 Why do space agencies invest more in flyby probes rather than orbiting satellites? 2015-07-10T04:04:29.547

13 Are satellite repairs in orbit still being performed nowadays? 2016-06-27T09:40:57.193

13 How are remove before flight (RBF) pins made? 2016-12-19T18:30:28.970

13 How much will SpaceX's constellation of Internet satellites cost? 2017-02-27T15:49:02.357

13 Two week mark; has Mayak (Маяк) been spotted yet? Reflector deployed? Astronomy "ruined"? 2017-07-31T07:35:51.500

13 This BBC photo does not show a replica of Vanguard-1, what might it be? 2017-10-06T12:38:12.363

12 Do long term missions receive insurance coverage? 2013-08-18T17:37:26.777

12 Why are satellites and other payloads always placed at the top of rockets? 2013-08-20T15:07:36.977

12 Does cosmic dust pose a problem for long-term satellites, telescopes and probes? 2013-08-31T17:04:11.820

12 What is the math behind Magnetorquers? 2013-10-01T17:42:31.133

12 Satellite tracking software 2013-10-09T01:02:31.780

12 How long does it take for a satellite to reach GEO? 2013-11-25T22:19:04.433

12 Can an artificial satellite stay in orbit forever? 2014-10-10T23:11:30.273

12 Has there been any collision between two active spacecrafts? 2015-04-07T10:56:26.940

12 Does the JWST have a camera to monitor its deployment progress? 2016-03-05T15:17:13.267

12 Will Glonass, Galileo, or BeiDou-2 satellites provide better cis-lunar navigation than GPS? 2016-04-10T09:12:53.260

12 What are these air-vent-like structures on this satellite? 2016-05-17T10:43:55.810

11 What is the life expectancy of a geosynchronous satellite dependent on? 2013-08-13T07:33:17.203

11 Would it actually be feasible to drop a nuclear bomb from a satellite? 2013-08-25T12:11:46.747

11 Can solar sail prevent orbital decay? 2013-08-26T14:24:28.950

11 What is the largest operational artificial satellite? 2014-01-22T14:15:49.343

11 How many satellites are orbiting the earth? 2014-09-22T21:07:46.800

11 Why are LEO satellites not aerodynamically shaped? 2014-11-29T10:54:17.637

11 What is the accuracy / uncertainty of Two Line Elements (TLEs)? 2014-12-03T18:42:01.083

11 Amateur satellite launch 2015-08-21T06:25:36.200

11 Is it possible to covertly put an EMP weapon into an ISS-like orbit by masquerading it as a legitimate launch? 2016-04-21T08:09:00.627

11 Why did early satellites (e.g. China's Fanhui Shi Weixing) re-enter the atmosphere narrow end (nose)-first? 2017-01-16T03:19:07.513

11 Musk's Roadster = Russell's Teapot? 2018-02-07T08:44:53.643

10 Would magnetic torquers placed in a polar satellite work? 2013-08-26T14:13:59.627

10 What risk management options are available for Mars orbiters and rovers to mitigate threat of impacting with Siding Spring cometary debris? 2013-12-11T20:23:06.610

10 Was Hubble really related to spy satellites? 2014-01-20T20:35:59.417

10 Would a satellite in retrograde orbit have a different speed than it would in prograde? 2014-03-31T15:38:10.563

10 How can OneWeb constellation succeed where Teledesic failed? 2015-06-15T14:49:07.067

10 How is the ISS helpful for launching cubesats and minisats? 2015-09-08T17:51:55.597

10 How is the software for scientific space missions developed? 2015-10-15T18:40:21.223

10 What is a "Double Iridium Flare" and how close can the two satellites be? 2016-02-15T08:43:07.693

10 How can just making the ground broadcast stronger neutralize a zombie(sat)? 2016-12-12T12:12:29.420

10 How well could a satellite hide from Earth detection? 2017-04-29T12:44:26.163

9 Why is the life span of a LEO satellite less than that of a GEO satellite? 2013-08-13T14:43:29.417

9 What is the maximum mass of a satellite that can be placed in GEO? 2013-08-19T11:57:15.310

9 Are satellites able to stream real-time videos about certain parts of Earth's surface? 2013-08-31T22:57:48.420

9 What kind of liquid propulsion systems do GEO satellites use? 2013-10-24T12:10:43.013

9 Are any geosynchronous satellites visible with the naked eye? 2013-12-29T18:21:09.320