Phiteros's user avatar
Phiteros's user avatar
Phiteros's user avatar
Phiteros
  • Member for 6 years, 6 months
  • Last seen this week
70 votes
Accepted

Why wasn't an RTG used on the Juno spacecraft?

55 votes
Accepted

Why are photos from Juno such low resolution?

48 votes

Planetary rovers - six wheels vs four?

38 votes

How tall do you have to be to be an astronaut?

26 votes

What can the KSP game actually teach about spaceflight and orbital mechanics, and what are its limitations?

20 votes

How were Perseverance's cables "cut" after touching down?

18 votes

What's the largest aperture telescope sent beyond the Earth-Moon system?

16 votes
Accepted

Curiosity is still dirty! How will the ExoMARS Rover keep its solar panels dust-free and collecting sufficient power?

12 votes
Accepted

Solar panels on Mars?

11 votes

Do planets further from the sun take longer to complete their orbit?

10 votes

Why doesn't thermal radio emission from a DSN "hot dish" completely swamp the benefits of a cold LNA?

9 votes
Accepted

Did Huygens take a picture of Cassini?

9 votes

How tall are the "cliffs of the delta" in the Perseverance rover's landing ellipse?

8 votes

The gases of technology

8 votes
Accepted

How frequently do astronauts revisit ISS?

8 votes

Is it possible to create artificial gravity in a habitat in space, or on another planet or moon without spinning the hull of the habitat

7 votes
Accepted

Using tardigrades as space shielding

6 votes

Why can't spacecrafts create a complete heatshield cover around them during re-entry?

6 votes
Accepted

Could the flyaway of the Curiosity/Perseverance skycrane be aimed in a particular direction?

6 votes

How much power do radiation-based engines produce

6 votes

Would an orbital Deep Space Network be more efficient?

6 votes

What does it (actually) mean when spacecraft are "intentionally crashed" on the moon?

6 votes

What happens to spare rovers?

6 votes
Accepted

How was time kept on board early manned spaceflights?

6 votes

The plane of the orbit of Juno around Jupiter is not the ecliptic plane. How did it get into this plane?

5 votes

Why launch from sea level and not Denver?

5 votes

How can the CYGNSS spacecrafts (actually) measure ocean roughness?

5 votes
Accepted

Do the rovers in Hayabusa-2 communicate directly with the spacecraft or use the landers as relay?

5 votes
Accepted

Copernican principle based question about ET

4 votes
Accepted

What's the soonest after ISS arrival that an astronaut has gone on a spacewalk?