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11 votes
1 answer
328 views

How much is known about those liquid metal droplets orbiting the Earth? (e.g. sizes, composition, orbits...) Are any actually tracked?

The question Orbit Guardians - bs, right? mentions a company proposing a smallsat that will capture then give a roughly 200 m/s retrograde "kick" to liquid metal NaK alloy droplets in LEO ...
uhoh's user avatar
  • 149k
1 vote
0 answers
69 views

What is the most efficient way to go to Titan? [closed]

With ionic motors? or chemical engines? liquid propellant (LH2) or gas? What is the most compact way to make the trip? in the smallest possible rocket, for example the SS-520-5 is a 2-stage rocket, 11....
Valentino Zaffrani's user avatar
7 votes
2 answers
104 views

Monoatomic species at orbital altitudes

Besides monoatomic oxygen, what other monoatomic or chemically reactive atmospheric or environmental constituents, if any, are present at orbital altitudes that aren't present at lower altitudes, and ...
My Other Head's user avatar