359  wrote: For just about the same reasons I don't think the Deathstar goes around blowing up planets through brute force. And those reasons range from it's just plain silly to that looks nothing like an energy beam blowing up a planet, there is too much going 'boom' and not enough small holes being poked in the planet by tiny energy beams. 
Blowing up a planet is physically possible. Physicists have done the math. It is hover much more practical to use a thousand ships firing on the planet from different directions.
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http://www.youtube.com/watch?v=V4LR6Ev27FQ
http://voy.trekcore.com/gallery/thumbna ... 56&page=13
From the looks of the clip I found and the stills, it appears that 8472 drills to the core of the planet, and then seems to heat it until it explodes.
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Oddly, something like an Earth like planet exploding should appear to be happening in slow motion as I understand it do to scale.
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I do agree that blowing up planets seems silly, but in the sense that you are wasting something that you could have likely put to better use.
 359  wrote: Over an unknown period of time with an unknown number of ships. But for all intents and purposes totally true. 
1000 NX-01 can blow up a planet in Archer's time.
20 Romulan and Cardassian ships to perform a controlled demolition in DS9/TNG/Voyager time.
 359  wrote: Again this is true, actually it is not said that it would be a threat to the entire system but possibly at least a nearby planet. And this is contradicted by ST: Generations as the saucer's inhabitants were not killed in the blast. But again that does not stop this event from existing. 
I don't recall Generations having the same problem as 11001001
TNG: 11001001
DATA: Engineering to Captain. (no reply) If the antimatter is released, the ship will be destroyed. 
LAFORGE: Nothing I do has any effect. I'm losing it. Data, I've rechecked every circuit. This is not a misread by the computer. 
DATA: Computer, situation analysis. 
COMPUTER: (male voice) Estimate release of antimatter in four minutes eighteen seconds. Seventeen seconds. Sixteen seconds. 
DATA: Engineering to Bridge. 
 359  wrote: Calculating for a four minute change from the start of trouble to the time of Seven's death, Voyager took 172 seconds to reach the planet 9 billion km distant for an average velocity of 0.172c. Based on the displayed impact scene the ship was traveling at 508 m/s as she grazed the top of an ice hill resulting in an initial impact energy of about 16.0 kt assuming she lost half of her velocity with the initial hit, and 21.6 kt for the total change in KE.
This is all far more specific and quantifiable than Chakotay's comment about the impact. 
All that matters is the time from when the planet is spotted to when they crash which seems to be in about less then 60 seconds.
Keep in mind that it is implied at the end of the episode that the Voyagers that crashed still crashed, and that the data was sent from a parallel universe/timeline. I love how Jainway tells Kim not to think about the temporal paradoxes.