Dan Hanson's user avatar
Dan Hanson's user avatar
Dan Hanson's user avatar
Dan Hanson
  • Member for 4 years, 6 months
  • Last seen more than a month ago
  • Edmonton, AB, Canada
46 votes

Why keep expending SpaceX boosters?

28 votes
Accepted

What are SpaceX's Starship's header tanks?

14 votes
Accepted

How does SpaceX plan to deal with possible methane buildup around Starship?

13 votes
Accepted

How long can the SpaceX Starlink satellites survive before they deorbit?

11 votes

How do EVA suits manage water excretion?

9 votes

Is lunar exploration going to need a whole heck of a lot of RTGs? If so, have they started firing up the RTG-making reactors yet?

6 votes

Are there any studies or technology envisioned for Mars entry and landing without a parachute?

6 votes

Have carbonaceous chondrite meteors been found on the moon?

6 votes

Can Starship go beyond Mars?

5 votes
Accepted

What is the most accepted explanation to the Fermi paradox by the scientific community?

5 votes
Accepted

Are there "rover-friendly region maps" for the Moon?

5 votes

How far can a piece of spacecraft go, where the signal still reaches planet Earth?

5 votes

What are the advantages of building a human colony on the Moon vs Mars?

5 votes
Accepted

Is it possible to send a CubeSat to Saturn/Enceladus?

4 votes

Could the Moon keep an atmosphere?

4 votes

Horizontal vs Vertical Takeoff

3 votes
Accepted

Is JWST the first telescope to release test images before its first light?

3 votes
Accepted

Better launching location to Neptune

3 votes
Accepted

Is crater counting accurate for relative dating between celestial bodies?

2 votes

Can we create a vacuum inside an EVA suit when the outside is pressurized, will it implode?

2 votes

Options for making rocket fuel using the Moon's natural resources

2 votes
Accepted

Are first official science images of JWST are most far distant images ever taken by space telescope?

1 vote
Accepted

Could moon ice be used to fuel a steam powered jetpack for EVA in space or high altitude exploration on the moon?

1 vote

Would this Starship design alternative be viable?