Ans | A | Title

0 | | Can cirrus clouds be created on Mars?

1 | Y | Determine orbit type from TLE

1 | | How are the velocity and range of a spacecraft measured from groun...

0 | | How livable would a lunar lava tube be?

0 | | How fast would you need to go to achieve mars gravity?

0 | | How deep could a lunar mine go?

0 | | Why haven't backup parachutes been used for spacecraft?

3 | Y | Is it possible building an Space Shuttle in reinforced concrete?

2 | Y | How many seconds of near-zero gravity are practical with a Reduced...

1 | Y | What's this chunk that fell off Falcon 9 second stage?

1 | Y | ViaSat's 18 kW solar array - largest ever for a commercial tel...

1 | | Is there a theoretical limit to the size of launch vehicles?

0 | | What is the best zero-g service?

1 | | How are the tiny spacecraft proposed by Project Starshot supposed ...

2 | Y | How great is the stress on a rocket at max-q

1 | Y | Lunar launch pad cooling

0 | | When an object in an unstable Lagrange point falls away from that ...

1 | Y | What is the nature and purpose of the treaty that US (NASA) has si...

3 | Y | Lunar excavation by blasting - would there be unique challenges, d...

1 | Y | How did the JAXA lunar probe discover that there is a 50 km long c...

0 | | Kinetics Energy For Geostationer rocket

1 | Y | What is the "true" cost to send a freighter (spaceX or S...

0 | | How to numerically solve an optimal thrust-vectoring problem?

1 | Y | State of the art balloon materials

1 | Y | How to get processed asteroid metals back to Earth in a safe manner

0 | | Did NASA ever fake any facts?

4 | Y | How much thrust needed to move 6,000 kg from LEO to Lunar Orbit?

9 | Y | Would a settlement on Mars need to import Nitrogen?

1 | Y | Could the Japanese H-IIB carry a payload to the moon?

1 | Y | KNO3 as reverse hybrid oxidizer?

2 | Y | Estimate of effectiveness of gravity turn compared to vertical flight

1 | | How to calculate the planets and moons beyond Newtons's gravit...

5 | Y | Is it possible to reach space using home-made rocket?

0 | | How much CO2 would city-to-city rocket flight produce compared to ...

4 | Y | How far do you have to be from Earth to be "in space"?

0 | | Does NASA consider generation ships for manned missions to the out...

0 | | What are the ways to make money in space?

3 | Y | How did the GoFast 2014 Rocket de-spin?

1 | Y | How can astronauts on ISS deal with dental emergency?

7 | Y | Why is geosynchronous orbit an altitude, rather than a velocity?

0 | | flyback reusability

3 | Y | Minimum Orbit Altitude

2 | Y | How much longer would New Horizons take to reach Pluto without the...

0 | | Retromotor thrust-vectoring strategy (boundary value problem)

3 | Y | Why did Armstrong pilot the LM, when Aldrin was tasked as Lunar Mo...

2 | Y | Does the name "corona discharge" bear any relation to th...

0 | | Does anyone know of any good research coming from data off the Jun...

3 | Y | Would Luna 15 have been visible to any of the members of the Apoll...

2 | Y | Computing GEO satellite's longitude from elevation/azimuth fro...

2 | Y | What is the gravity inside a rotating cylinder?

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