, 23 tweets, 14 min read Read on Twitter
THREAD. In honor of the #Apollo50th anniversary of the moon landing, here is a thread of #physics posts related to space travel. @nasa @esaoperations @ESA_History
1/ I will start with my #physics #estimation - what would be like to ride a bike to the moon? How long would it take? How many sandwiches would you need to eat? More homework included.

2/ Video analysis of the lunar lander launching off the surface of the moon.

3/ Although astronauts seem to "float" in space, there is indeed gravity in space.

4/ What about electrical power during space travel? Of course you could use a solar panel -that works. Another method is the TEG - thermoelectric generator.

You can build one yourself.
5/ It's much more difficult to get into orbit that to get in space. Orbit is not just about going UP but also about going FAST

6/ What is Low Earth Orbit anyway?

7/ How will @nasa land larger payloads on the surface of Mars? Here is one idea.

@NASA 8/ How much energy does it require to get one candy bar into orbit (to the ISS)? How does that compare to the amount of energy in a candy bar?

@NASA 9/ Why do astronauts float around in space?

@NASA 10/ Would it be better to launch a rocket from the equator or from a mountain?

@NASA 11/ What are some games that could be played in zero-g (which is not zero gravity - but you know what I mean)

@NASA 12/ Which would make a better rocket - one that shoots out the fuel over a longer time interval or one that shoots it all out at once? Nuclear vs. ion.

@NASA 13/ Making artificial gravity with a spinning spacecraft

@NASA 14/ Here is my model of how you would run on the moon. I really like this one.

@NASA 15/ This one's not space travel - but just astronomy. How do we know the Earth orbits the Sun and not the other way around?

@NASA 16/ Why is it so difficult to crash a spacecraft into the Sun? Python included. @GlowScript_Code @gopicup
@NASA @GlowScript_Code @gopicup 17/ Would it be possible for a human to walk on the surface of a comet?
@NASA @GlowScript_Code @gopicup 18/ Video analysis of moon dust to find the local gravitational field on the surface of moon (using the lunar rover)

@NASA @GlowScript_Code @gopicup 18/ Here's a look at how Jules Verne described gravity in the book From the Earth to the Moon.

@NASA @GlowScript_Code @gopicup 20/ Could you shoot a cannonball into orbit from a tall mountain? Python code included.


(yes, I can't count my tweet numbers and I made a mistake)
@NASA @GlowScript_Code @gopicup 21/ Ok - that's enough for now. I will make another thread for the 100th anniversary of the Apollo moon landing in 50 years.
@NASA @GlowScript_Code @gopicup 22/ I lied. Here is another addition to this list.

How difficult is it to land on Mars? Even better - a python model with code.

Missing some Tweet in this thread?
You can try to force a refresh.

Like this thread? Get email updates or save it to PDF!

Subscribe to Rhett Allain
Profile picture

Get real-time email alerts when new unrolls are available from this author!

This content may be removed anytime!

Twitter may remove this content at anytime, convert it as a PDF, save and print for later use!

Try unrolling a thread yourself!

how to unroll video

1) Follow Thread Reader App on Twitter so you can easily mention us!

2) Go to a Twitter thread (series of Tweets by the same owner) and mention us with a keyword "unroll" @threadreaderapp unroll

You can practice here first or read more on our help page!

Follow Us on Twitter!

Did Thread Reader help you today?

Support us! We are indie developers!

This site is made by just three indie developers on a laptop doing marketing, support and development! Read more about the story.

Become a Premium Member ($3.00/month or $30.00/year) and get exclusive features!

Become Premium

Too expensive? Make a small donation by buying us coffee ($5) or help with server cost ($10)

Donate via Paypal Become our Patreon

Thank you for your support!