hdhondt

Member for 7 years, 1 month
Last seen this week

Australia

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probe

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Excavator

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Score Activity Newest

56

Why is tantalum being used for the Hayabusa bullets?

Jul 30, 2019

12

How about space ziplines

May 13, 2019

8

What is our ability to capture or reflect photons with a wavelength of $2.5×10^{-12}$ meters?

Nov 15, 2016

7

Was the launch of "Tianhe" a failure or success?

May 4, 2021

5

How fast were the Lunar Command Module and Landing Module traveling around the Moon when they reconnected?

Jul 30, 2019

Questions

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6

Project Starshot acceleration

Sep 19, 2017

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probe

56

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1

post

sample-return

56

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1

post

materials

56

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1

post

space-elevator

12

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1

post

antimatter

8

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1

post

Reputation

+30

How fast were the Lunar Command Module and Landing Module traveling around the Moon when they reconnected?

+10

Using asteroids as propellant source

+60

Why is tantalum being used for the Hayabusa bullets?

+10

Was the launch of "Tianhe" a failure or success?

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