Andrew Rader on Twitter: "Thor's helmet nebula ~ the central star is an extremely hot giant, soon expected to go supernova. https://t.co/gdt2Wxi9C3"

@marsrader

SpaceX Engineer, MIT PhD, TV Know-it-All

New book 'Beyond the Known' is available now: http://bit.ly/2lJb4WQ

Audiobook: https://adbl.co/2VqoTrb

Planet Earth (for now)

Country	Code	For customers of
United States	40404	(any)
Canada	21212	(any)
United Kingdom	86444	Vodafone, Orange, 3, O2
Brazil	40404	Nextel, TIM
Haiti	40404	Digicel, Voila
Ireland	51210	Vodafone, O2
India	53000	Bharti Airtel, Videocon, Reliance
Indonesia	89887	AXIS, 3, Telkomsel, Indosat, XL Axiata
Italy	4880804	Wind
3424486444	Vodafone
» See SMS short codes for other countries

1. MauseKatze‏ @Schaden_Katze 30 Nov 2015
  Replying to @marsrader
  
  @marsrader extremely hot giant? isn't that chris hemsworth?
  Thanks. Twitter will use this to make your timeline better. Undo
  
  Undo
1. Shining Star ‏ @u_shiningstar 30 Nov 2015
  Replying to @marsrader
  
  @marsrader Wow this is beautiful!!! Thank u for your kind explanation!
  Thanks. Twitter will use this to make your timeline better. Undo
  
  Undo
1. Russell Manthy‏ @russellmanthy 30 Nov 2015
  Replying to @marsrader
  
  @marsrader beautiful!
  Thanks. Twitter will use this to make your timeline better. Undo
  
  Undo
1. Andrew Buckingham‏ @abuckingham 30 Nov 2015
  Replying to @marsrader
  
  @marsrader I’m glad I’m following your tweets. I love learning all about the universe. It’s strangely comforting to know how small I am. :)
  Thanks. Twitter will use this to make your timeline better. Undo
  
  Undo
1. Carolina Iribarren‏ @Ciribarr 1 Dec 2015
  Replying to @marsrader
  
  “@marsrader: Thor's helmet nebula ~ the central star is an extremely hot giant, soon expected to go supernova. pic.twitter.com/9TpdSQd4DZ”
  Thanks. Twitter will use this to make your timeline better. Undo
  
  Undo
1. Elli Norman‏ @namronille 2 Dec 2015
  Replying to @marsrader
  
  @marsrader I hope it's far enough from us not o blow us up
  Thanks. Twitter will use this to make your timeline better. Undo
  
  Undo

Loading seems to be taking a while.

Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.

Tweets

Andrew RaderVerified account

@marsrader

Tweets

Loading seems to be taking a while.

false

Saved searches

Tweets

Andrew RaderVerified account

@marsrader

Tweets

Go to a person's profile

Saved searches

Promote this Tweet

Block

Tweet with a location

Your lists

Create a new list

Copy link to Tweet

Embed this Tweet

Embed this Video

Preview

Why you're seeing this ad

Log in to Twitter

Sign up for Twitter

Not on Twitter? Sign up, tune into the things you care about, and get updates as they happen.

Two-way (sending and receiving) short codes:

Confirmation

Welcome home!

Tweets not working for you?

Say a lot with a little

Spread the word

Join the conversation

Learn the latest

Get more of what you love

Find what's happening

Never miss a Moment

Loading seems to be taking a while.

Promoted Tweet

false