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Asteroid Now: Warum die Zukunft der Menschheit in den Sternen liegt

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Ein Asteroid rast auf die Erde zu und droht alles Leben auszulöschen. Es bleiben nur noch wenige Wochen, um die Katastrophe abzuwenden. Im letzten Moment gelingt es einem Team von Astronomen, den Himmelskörper mit Hightech-Lasern in eine neue Bahn zu lenken. Was wie der Plot eines Hollywoodstreifens klingt, ist Gegenstand heutiger Forschung. Astronomen entwickeln unermüdlich Systeme, mit denen wir Asteroiden von der Erde aus abwehren können – aber auch Raumschiffe mit Ionenantrieb und Weltraumlifte, die uns zum Mond hinauffahren. Ein faszinierender Überblick über die Möglichkeiten der Technik und die Erkenntnisse der Astronomie. Und vor allem – ein Ausblick in die Zukunft der Menschheit.

236 pages, Kindle Edition

First published February 2, 2015

17 people want to read

About the author

Florian Freistetter

43 books53 followers
Florian Freistetter (* 28. Juli 1977 in Krems an der Donau) ist ein österreichischer Astronom, Blogger, Buchautor und Podcaster.

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Displaying 1 - 4 of 4 reviews
Profile Image for Saphirablue.
1,078 reviews77 followers
April 23, 2016
Very interesting. I like that we get explanations on what Asteroids are and also there is always some background information on stuff like history, vulcanoes, chabge of terminology, science and so on. Some things I've already known from other books/sources but that doesn't matter. It's good to get a refresher on things from time to time. Some things have been new for me and I'm happy to have learned them. :)

I'm not an scientist/astronomer/physicist/astronaut and therefore I am not able to say something is correct or something is wrong/bullshit. The things mentioned/explained in the book seem to be logical and will probably (hopefully) come true some time in the future. I also enjoyed the speculation on various things and what would have to happend in order to make it possible.

Just, why do scientists sometimes insist that certain things are impossible. Superluminal velocity for example. It's again stated that in no way it's possible that it ever happens (note, like most science books there is a little note/disclaimer that, theoretically, it could be possible, but probably will never be possible). I, just, don't get it? So many scientific things have been held true and been disproved later on. Just because Einstein said it, it's true no matter what? Really? What if there is another Einstein in 100 years and s/he proves that it can be done and that just our knowledge/science at this moment in time hasn't been advanced enough to find/comprehend/prove it? (This is something that bothers me not just in this book but in others too (not just physics/space travel but other areas of science too).

To finish this on a positive note: a huge shoutout for mentioning Stargate even though there has been no reason for it because no science/techno babble from it has been included in the book (contrary to Star Trek and the Warp drive). :)
This entire review has been hidden because of spoilers.
Profile Image for Anja.
654 reviews46 followers
October 9, 2016
Ähm... Ich hab vergessen das Buch zu reviewen und bringe da jetzt auch nicht mehr viel zusammen. Eigentlich gar nichts. Mist. Muss es vielleicht noch mal querlesen...
Wie auch immer, ich fand es großartig und super geschrieben und hochinteressant und insgesamt halt genial und ich liebe das Cover und Florian Freistetter ist eh cool und... ja. Das war's für den Moment ^^"
Profile Image for Pascal.
47 reviews2 followers
July 31, 2022
Sehr schön, optimistisch und einfach erklärt. Mag auch seine Podcasts sehr gerne. Empfehlung für Interessierte an Astronomie!
Profile Image for Distelix.
9 reviews
May 18, 2024
Ein gut geschriebener und spannender Ausblick in eine mögliche Zukunft.
Oder eben (auch) Astronomie für Laien gut erklärt und weitergedacht.
Don't panic! :-)
Displaying 1 - 4 of 4 reviews

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