jkztd's user avatar
jkztd's user avatar
jkztd's user avatar
jkztd
  • Member for 6 years, 8 months
  • Last seen this week
20 votes
4 answers
7k views

Why isn't SpaceX's Starship "trial and error" development strategy an open source project?

17 votes
1 answer
3k views

JWST observing cherry red Tesla roadster

17 votes
4 answers
5k views

Could JWST stay at L2 "forever"?

13 votes
4 answers
2k views

Are there liquid fueled rocket boosters having coaxial fuel/oxidizer tanks?

11 votes
4 answers
6k views

Why would astronauts need a wristwatch and a separate timer?

10 votes
2 answers
502 views

Garbage powered reboosting module for low Earth orbiting space stations

10 votes
4 answers
1k views

Challenging the Kármán line from above

9 votes
1 answer
732 views

Are Falcon Heavy's side boosters aerodynamically detached?

9 votes
3 answers
430 views

Would this Starship design alternative be viable?

8 votes
1 answer
588 views

Influence of solar wind and radiation pressure on a sail

8 votes
1 answer
357 views

How to manage landing on unlandable asteroids?

8 votes
1 answer
356 views

Archimedean braking for low density Venus lander + subsidiary question

8 votes
2 answers
2k views

How many different hexagonal tiles' modules are required to pave one Starship?

8 votes
7 answers
2k views

Embedding foundations from low lunar orbit?

7 votes
0 answers
255 views

Is Perseverance's heat shield's thickness radially symmetric?

7 votes
2 answers
518 views

How will BFS maneuver during aerobraking?

7 votes
1 answer
966 views

Why did Orbex choose propane as its fuel?

7 votes
2 answers
603 views

How could SpaceX’s crew Dragon land with abort thrusters in case of emergencies?

7 votes
1 answer
279 views

Why did August 28th, 2019 Starhopper's test roll so much to the left?

7 votes
1 answer
254 views

Does central Merlin have a different specific impulse?

6 votes
2 answers
368 views

Drawbacks and advantages of two slidable & rotatable control surfaces for BFS sized spaceships

6 votes
0 answers
255 views

Could ablative material sublimation slow down a spacecraft?

6 votes
0 answers
251 views

Why isn't the JWST mirror bigger?

5 votes
1 answer
536 views

For a given amount of fuel, what is the best de-orbit profile for the ISS?

5 votes
1 answer
164 views

Are there planned sungrazing probes?

5 votes
1 answer
313 views

Why/When was a crew of three considered in the first place?

5 votes
2 answers
669 views

How does Orbex save structural weight by using coaxial tanks?

4 votes
3 answers
1k views

When do aircraft become solarcraft?

4 votes
1 answer
265 views

Dragon capsule thrust requirements

4 votes
1 answer
310 views

Earth gravity lens focus