User Anthony X

40 votes

3 answers

5k views

If the Apollo mandate were delivered today, would the mission vehicle(s) and profile be similar?

asked Jan 13, 2015 at 0:29

35 votes

4 answers

5k views

Is warp drive a legitimate avenue of scientific investigation?

asked Aug 5, 2013 at 18:35

30 votes

5 answers

8k views

For how long will the Voyager records remain playable?

asked Jun 8, 2014 at 19:54

30 votes

1 answer

4k views

Why were there beeps punctuating the voice communications during missions such as Apollo?

asked Jun 8, 2014 at 20:21

30 votes

1 answer

3k views

How was the Apollo lunar liftoff video transmitted to Earth?

asked Feb 18, 2018 at 4:34

27 votes

3 answers

7k views

What is the purpose of the rotating dish antenna on the ISS

asked Apr 14, 2015 at 0:36

20 votes

3 answers

3k views

What defines the radius of a ball of gas like Jupiter?

asked Jul 7, 2016 at 0:58

19 votes

1 answer

5k views

Did any of the Apollo lunar modules land significantly off level?

asked Aug 17, 2016 at 23:57

18 votes

3 answers

2k views

S-I, S-II, S-IV; what happened to III?

asked Feb 19, 2017 at 23:57

17 votes

1 answer

7k views

Why did Apollo use roll and pitch maneuvers similar to Space Shuttle to establish ascent trajectory?

asked Jul 27, 2014 at 16:09

16 votes

2 answers

7k views

Are rocket exhaust flames ever opaque?

asked Jan 10, 2015 at 20:38

15 votes

1 answer

1k views

How are self-destructs implemented in rocketry?

asked Nov 1, 2014 at 15:05

15 votes

6 answers

2k views

Is the "Mars blue dune" actually blue? And what makes it so?

asked Jun 25, 2018 at 0:07

14 votes

1 answer

542 views

Was anything else about the Falcon Heavy test launch "off nominal" besides the center core return?

asked Feb 7, 2018 at 4:47

14 votes

4 answers

1k views

Was the Apollo spacecraft always gravitationally bound to the Earth-Moon system?

asked Feb 19, 2017 at 15:15

12 votes

3 answers

2k views

Did the Apollo lunar module descent stage have a role as a sort of service module?

asked Nov 10, 2018 at 15:56

12 votes

1 answer

369 views

Does atmospheric drag or reboosting maneouvers affect the integrity of microgravity experiments aboard ISS?

asked Nov 8, 2014 at 14:56

12 votes

2 answers

1k views

Hypothesized parameters of reactionless drives

asked Aug 5, 2014 at 1:49

12 votes

4 answers

1k views

GPS / Iridium for human presence on Mars?

asked Jun 11, 2014 at 0:47

12 votes

2 answers

3k views

What is a reference mission?

asked Mar 23, 2015 at 3:03

11 votes

2 answers

1k views

Have any spacecraft been launched or proposed to make a survivable close encounter with the Sun?

asked Apr 27, 2014 at 16:03

11 votes

2 answers

418 views

Is there any wavelength at which the Sun is both transparent to and quiet of electromagnetic radiation?

asked Jun 8, 2014 at 19:21

11 votes

1 answer

374 views

Why is the flame color from the New Shepard engine orange?

asked Jul 20, 2021 at 22:06

10 votes

1 answer

1k views

Pitch and yaw axes of rocket systems such as Apollo

asked Jul 19, 2014 at 4:06

10 votes

1 answer

333 views

What is the preferred technology for bulk data storage on a modern space probe?

asked Dec 16, 2017 at 5:02

9 votes

1 answer

480 views

A Jupiter-sized star?

asked Feb 23, 2017 at 4:01

9 votes

2 answers

462 views

Could Starman get ejected from the Solar System?

asked Feb 10, 2018 at 3:39

9 votes

2 answers

854 views

Propellant boil-off in zero G

asked Feb 11, 2018 at 17:18

9 votes

1 answer

445 views

Any other countries/companies doing anything similar to British Skylon SSTO?

asked Aug 9, 2013 at 1:29

9 votes

1 answer

654 views

What is the highest practical data rate for a downlink from a spacecraft at a distance such as Pluto to Earth?

asked May 31, 2015 at 16:28

Stack Exchange Network

84 Questions

If the Apollo mandate were delivered today, would the mission vehicle(s) and profile be similar?

Is warp drive a legitimate avenue of scientific investigation?

For how long will the Voyager records remain playable?

Why were there beeps punctuating the voice communications during missions such as Apollo?

How was the Apollo lunar liftoff video transmitted to Earth?

What is the purpose of the rotating dish antenna on the ISS

What defines the radius of a ball of gas like Jupiter?

Did any of the Apollo lunar modules land significantly off level?

S-I, S-II, S-IV; what happened to III?

Why did Apollo use roll and pitch maneuvers similar to Space Shuttle to establish ascent trajectory?

Are rocket exhaust flames ever opaque?

How are self-destructs implemented in rocketry?

Is the "Mars blue dune" actually blue? And what makes it so?

Was anything else about the Falcon Heavy test launch "off nominal" besides the center core return?

Was the Apollo spacecraft always gravitationally bound to the Earth-Moon system?

Did the Apollo lunar module descent stage have a role as a sort of service module?

Does atmospheric drag or reboosting maneouvers affect the integrity of microgravity experiments aboard ISS?

Hypothesized parameters of reactionless drives

GPS / Iridium for human presence on Mars?

What is a reference mission?

Have any spacecraft been launched or proposed to make a survivable close encounter with the Sun?

Is there any wavelength at which the Sun is both transparent to and quiet of electromagnetic radiation?

Why is the flame color from the New Shepard engine orange?

Pitch and yaw axes of rocket systems such as Apollo

What is the preferred technology for bulk data storage on a modern space probe?

A Jupiter-sized star?

Could Starman get ejected from the Solar System?

Propellant boil-off in zero G

Any other countries/companies doing anything similar to British Skylon SSTO?

What is the highest practical data rate for a downlink from a spacecraft at a distance such as Pluto to Earth?