The Orrery
Space/Science
↳
Transient Alerts
Geek Speak
Science Fiction
Current Events
Off Topic
Flame
Guest Board
☰
Space/Science
Space/Science
Transient Alerts
Geek Speak
Science Fiction
Current Events
Off Topic
Flame
Guest Board
☰
Recent posts
Recent posts
Artemis II Science Data available
Arrell
October 8, 2026 4:12 pm
(Space/Science)
Check out 'Orrery' link in lefthand bar
Arrell
October 4, 2026 2:47 pm
(Space/Science)
Attention Podrock and other Geologists: A geological Earth viewer
Arrell
October 7, 2026 11:38 pm
(Space/Science)
OpenAI releases 372 more proofs and advancements in mathematics...
Arrell
October 7, 2026 10:31 pm
(Geek Speak)
New feature
Arrell
October 7, 2026 9:07 pm
(Space/Science)
Podrock, Pebble
Arrell
October 6, 2026 8:06 pm
(Space/Science)
The Orrery- Your Guide to the Universe
Arrell
October 6, 2026 5:37 pm
(Space/Science)
2026 Nobel prize in Physics-Francis Halzen, Neutrino hunter
Arrell
October 6, 2026 5:33 pm
(Space/Science)
Planet born around dead star
Arrell
October 5, 2026 5:28 pm
(Space/Science)
So- another feature I could explore
Arrell
October 4, 2026 9:07 pm
(Space/Science)
On this day in Space/Science
1 year ago (that week)
Blasphemy
4 replies · Oct 7, 2025
5 years ago (that week)
Ice on the water, fire in the sky.
0 replies · Oct 6, 2021
10 years ago (that week)
September Summary
0 replies · Oct 5, 2016
Search the board
Go
Home
Guide
Resources
Orrery
Sea ice
Log in
Register
Space/Science
» in reply to
Why not launch one from a high altitude balloon?
Good idea!
RobVG —
7/24/2022 1:59:53 AM
(archived)
Good idea!
Log in
or
register
to post.
The whole thread
(13 posts)
Question
- RobVG -
7/16/2022 8:17:26 AM
A vacuum has no temperature.
- ER -
7/16/2022 11:55:52 AM
Question revisited
- RobVG -
7/22/2022 2:49:34 PM
yes.
- ER -
7/22/2022 5:12:36 PM
The cool thing is, modern high power model rockets can easily reach lunar escape velocity.
- RobVG -
7/23/2022 10:15:29 PM
Why not launch one from a high altitude balloon?
- ER -
7/24/2022 12:30:35 AM
It was done in 1997.
- RobVG -
7/28/2022 1:04:03 AM
Air density would probably be an issue.
- RobVG -
7/24/2022 7:58:41 PM
How about big fins for the thin air.
- ER -
7/25/2022 12:35:34 AM
That's a possibility. Fall away boosters with larger fins are commonplace.
- RobVG -
7/25/2022 2:49:35 AM
Good idea!
- RobVG -
7/24/2022 1:59:53 AM
Great answer. Thanks again ER.
- RobVG -
7/23/2022 3:02:25 AM
Thanks. it was one of those bedtime thoughts.
- RobVG -
7/16/2022 4:54:35 PM
Related discussions
X51A test flight today
Space/Science · 2012-08-14 · 8 replies · archive
Levitating Frogs 'n' such . . . (originally from Mysteries of the Multiverse)
Off Topic · 2014-04-07 · 1 reply · archive
Now, this is amateur rocketry at its best!
Space/Science · 2011-10-08 · 1 reply · archive
HabitableZone — be civil, or at least entertaining.