Anton Hengst's user avatar
Anton Hengst's user avatar
Anton Hengst's user avatar
Anton Hengst
  • Member for 4 years, 10 months
  • Last seen more than a week ago
80 votes
Accepted

Why were the Space Shuttle's main engines placed on the orbiter?

68 votes

Why are there mountains/mounds in the centre of craters on the lunar surface?

67 votes
Accepted

Why can't you travel to Mars in a straight line?

58 votes

Can Kerbal Space Program act as a suitable simulator with the right mods?

43 votes
Accepted

Why do rockets have multiple stages?

34 votes

When burns are made during inefficient parts of the orbit, where does the lost energy go?

26 votes
Accepted

How did two satellites end up in almost the same orbit except moving in opposite directions?

22 votes
Accepted

Why aren't expander cycle engines used on lower stages?

21 votes

Do other planets and moons share Earth’s mineral diversity?

21 votes
Accepted

What are the benefits of supersynchronous transfer orbits?

20 votes
Accepted

How did the Mars Exploration Rovers (Spirit & Opportunity) land upright?

19 votes
Accepted

Is Mohs scale of mineral hardness applicable for rocks and minerals of terrestrial planets other than Earth?

17 votes
Accepted

Can double deck spacecraft be designed and constructed for manned missions?

17 votes

When cis-lunar Artemis astronauts and folks on Earth communicate via audio (e.g. EVAs) will they still step on each other's words like during Apollo?

13 votes
Accepted

Gravitational field of the Moon and Earth

13 votes

HTP as oxidizer for main propulsion

11 votes

Would a broken arm/ leg be more painful in zero gravity?

11 votes
Accepted

Is there a low Earth orbit with a 24-hour day night cycle?

10 votes
Accepted

Was New Horizons launched on a copper rocket?

9 votes
Accepted

How do I get the Landsat satellite's images of the Earth?

9 votes

What is the difference between a space plane and a space shuttle?

8 votes

Who started conducting multiple-payload launches routinely, and on which vechicle?

8 votes
Accepted

ULA's ACES upper stage with IVF - Why are they using internal combustion engines?

8 votes
Accepted

What is meant by "a high-energy geostationary orbit"? (SpaceX Arabsat 6A)

7 votes
Accepted

Why parts of RocketLab's Electron become white before launch?

7 votes

Powered Explicit Guidance: Should rocket be pitching down at orbital insertion?

7 votes

How much did we know about space in 1940?

6 votes

Would symmetrical dimethylhydrazine work as a hypergolic fuel?

5 votes
Accepted

Can you enjoy a cold carbonated drink in space?

5 votes
Accepted

What kind of rocket will ESA(?) launch from Mars? Who will build it?