User uhoh

2

votes

0

answers

171

views

+100

When did they stop routing long-distance phone calls through satellites? What was the maximum volume at its peak?

history communication-satellite

May 19 at 4:19 uhoh 102k

3

votes

0

answers

112

views

+100

Do space stations have standardized officer designations for crew?

May 6 at 23:58 uhoh 102k

2

votes

1

answer

196

views

+100

What's the longest time that an astronaut remained in free fall?

astronauts record reduced-gravity-sports

May 14 at 0:06 johnDanger 410

4

votes

1

answer

149

views

+100

Why is the INTEGRAL satellite in such an eccentric orbit?

orbit mission-design

May 9 at 12:19 Karsten Kretschmer 301

1

vote

0

answers

41

views

+100

In terms of satellite networks What exactly are RTSWnet/AFSCN and CDAS (NEN, DSN as needed)? Are they like TDRS but for strictly military data?

deep-space-network military satellite-constellation solar-wind tdrss

Apr 30 at 14:47 uhoh 102k

1

vote

0

answers

414

views

+100

What are all the ways that FPGAs are used in the Flying Laptop spacecraft?

flight-computer computing data-systems

Apr 28 at 22:38 uhoh 102k

6

votes

0

answers

206

views

+400

What attitudes will Starlink satellites have in different orbits?

attitude adcs starlink visibility-of-spacecraft satellite-flare

May 7 at 2:47 uhoh 102k

1

5

votes

2

answers

252

views

+200

Have light gases like hydrogen or helium been explored for ion propulsion?

ion-thruster chemistry electric-propulsion

Apr 15 at 13:32 uhoh 102k

1

vote

1

answer

99

views

+100

Locations of the terminator on Mars' surface on 1976-07-24T10:35:26Z?

orbital-mechanics mars solar-system

Apr 20 at 22:53 uhoh 102k

9

votes

1

answer

182

views

+100

When did deep-space probes start getting wrapped in germanium-coated film?

juno antenna thermal

Apr 22 at 1:51 Terrance Yee 1,479

6

votes

2

answers

172

views

+100

How can a meteor gain energy in an encounter with the Earth even though these answers say it can't?

orbital-mechanics physics atmospheric-drag meteors

Apr 7 at 17:33 uhoh 102k

0

votes

0

answers

110

views

+100

What was the first official oath in Space?

iss law record military

Apr 2 at 10:08 uhoh 102k

3

votes

1

answer

107

views

+100

What were the relative orientations of the Hubble Space Telescope's three star cameras, six rate gyros and four reaction wheels optimized for exactly?

adcs camera reaction-wheel hubble gyroscope

Mar 26 at 14:48 asdfex 8,177

2

votes

1

answer

190

views

+200

3D celestial puzzler; why InSight's two RISE horns point slightly south of east, and north of west?

mars nasa planetary-science insight delay-doppler

Mar 29 at 13:38 asdfex 8,177

7

votes

2

answers

317

views

+100

Why do these satellite antennas look so weird? (strangely shaped with little white dots…)

identify-this-object communication-satellite geostationary antenna manufacturing

Mar 29 at 0:25 uhoh 102k

5

votes

1

answer

269

views

+100

Astrophotographer Thierry Legault is not convinced that DarkSat is darker than the others. Have photometric measurements been reported?

observation starlink

Mar 22 at 20:52 Star Man 4,412

2

13

votes

4

answers

792

views

+100

Why is the US building a Lunar Orbital Platform-Gateway (LOP-G)?

station-keeping lop-g

Mar 14 at 13:35 Organic Marble 107k

1

vote

1

answer

76

views

+100

How will NASA's TROPICS cubesats be inserted into their three orbital planes and proper phasings?

orbital-mechanics nasa cubesat earth-observation payload-deployment

Mar 15 at 15:48 Bob Jacobsen 11.4k

1

7

votes

0

answers

93

views

+100

Interpolating precise ephemerides of GPS satellites

orbital-mechanics gps ephemeris gnss

Mar 10 at 5:54 uhoh 102k

3

votes

1

answer

209

views

+100

How does this large, flat antenna made from overlapping circles at Australia's Carnarvon Space Tracking Center work?

apollo-program identify-this-object antenna australia

Apr 15 at 23:05 uhoh 102k

1

18

votes

2

answers

2k

views

+200

Curiosity is still dirty! How will the ExoMARS Rover keep its solar panels dust-free and collecting sufficient power?

mars rovers solar-power dust exomars

Mar 4 at 4:33 uhoh 102k

3

votes

3

answers

551

views

+100

Why were Europe's first few satellites so stylish? Why the pronounced alternating white and black stripes?

artificial-satellite history

Mar 5 at 13:41 Vince 49 909

0

votes

1

answer

395

views

+100

Equation for orbital period around oblate bodies, based on J2?

orbital-mechanics mathematics

Mar 4 at 4:30 uhoh 102k

4

votes

1

answer

122

views

+100

Resources on 129 Antigone

asteroid mining asteroid-belt

Mar 1 at 0:57 uhoh 102k

1

vote

0

answers

65

views

+200

Space Situational Awareness: What Key Issues were identified (in an Evolving Landscape)?

law regulatory international-politics government united-states

Feb 22 at 10:41 uhoh 102k

2

14

votes

2

answers

239

views

+100

Launch to orbit delta-v penalty from Venus compared to Earth?

launch venus delta-v

Feb 28 at 6:15 Russell Borogove 124k

3

votes

1

answer

119

views

+100

Will Optical communications be possible between Columbus' Ka-band (COLKa) Terminal at the ISS and EDRS?

iss communication-satellite esa optical-communication

Feb 26 at 13:50 called2voyage♦ 22.4k

6

votes

1

answer

308

views

+100

How quickly might a Titan rover or drone get covered in oil and dirt? Will it need windshield-wipers?

design rovers titan chemistry contamination

Feb 27 at 1:37 Hug 400

4

votes

1

answer

429

views

+100

Has anyone seen an actual spectrum of a satellite made by an amateur photographer?

artificial-satellite observation photography space-art

Mar 12 at 10:02 Community♦ 1

6

votes

0

answers

206

views

+200

What attitudes will Starlink satellites have in different orbits?

attitude adcs starlink visibility-of-spacecraft satellite-flare

May 7 at 2:47 uhoh 102k

Stack Exchange Network

current community

your communities

more stack exchange communities

Next badge

290 Offered bounties for 35,900 reputation

When did they stop routing long-distance phone calls through satellites? What was the maximum volume at its peak?

Do space stations have standardized officer designations for crew?

What's the longest time that an astronaut remained in free fall?

Why is the INTEGRAL satellite in such an eccentric orbit?

In terms of satellite networks What exactly are RTSWnet/AFSCN and CDAS (NEN, DSN as needed)? Are they like TDRS but for strictly military data?

What are all the ways that FPGAs are used in the Flying Laptop spacecraft?

What attitudes will Starlink satellites have in different orbits?

Have light gases like hydrogen or helium been explored for ion propulsion?

Locations of the terminator on Mars' surface on 1976-07-24T10:35:26Z?

When did deep-space probes start getting wrapped in germanium-coated film?

How can a meteor gain energy in an encounter with the Earth even though these answers say it can't?

What was the first official oath in Space?

What were the relative orientations of the Hubble Space Telescope's three star cameras, six rate gyros and four reaction wheels optimized for exactly?

3D celestial puzzler; why InSight's two RISE horns point slightly south of east, and north of west?

Why do these satellite antennas look so weird? (strangely shaped with little white dots…)

Astrophotographer Thierry Legault is not convinced that DarkSat is darker than the others. Have photometric measurements been reported?

Why is the US building a Lunar Orbital Platform-Gateway (LOP-G)?

How will NASA's TROPICS cubesats be inserted into their three orbital planes and proper phasings?

Interpolating precise ephemerides of GPS satellites

How does this large, flat antenna made from overlapping circles at Australia's Carnarvon Space Tracking Center work?

Curiosity is still dirty! How will the ExoMARS Rover keep its solar panels dust-free and collecting sufficient power?

Why were Europe's first few satellites so stylish? Why the pronounced alternating white and black stripes?

Equation for orbital period around oblate bodies, based on J2?

Resources on 129 Antigone

Space Situational Awareness: What Key Issues were identified (in an Evolving Landscape)?

Launch to orbit delta-v penalty from Venus compared to Earth?

Will Optical communications be possible between Columbus' Ka-band (COLKa) Terminal at the ISS and EDRS?

How quickly might a Titan rover or drone get covered in oil and dirt? Will it need windshield-wipers?

Has anyone seen an actual spectrum of a satellite made by an amateur photographer?

What attitudes will Starlink satellites have in different orbits?