CAJ #1: First thoughts

Space Exploration

→ “the ongoing discovery and exploration of celestial structures in outer space”

I found a quite impressive website about exploring the universe online → http://htwins.net/scale2/ !!!!

“Earth is the cradle of humanity, but it is impossible to live forever in the cradle”

~ Tsiolkovski

• Tau Zero - http://www.tauzero.aero/

• a waste of money?
• new life?
• new world? new civilization?
• destinations

• planetary science

HOW?

• robotic probes
• human spaceflight

Summer triangle

• Lyra constellation
• Vega
• Altair
• Deneb

Interesting facts:

Procyon

• over next 10 mio years it will grow to 100 times bigger and turn red

→ If all the 7 billion humans stood on top of one another, the stack would approx. be 10 million kilometers tall.

• 7 times bigger than the sun!

Links

http://www.centauri-dreams.org/

http://englcomc43gutierrez.blogspot.co.at/2010/09/argumentative-essay-space-exploration.html

http://www.essayforum.com/writing-feedback-3/space-exploration-wasteful-activity-agree-19276/

http://www.sciencedirect.com/science/article/pii/S1470204506706957