Friday, December 18, 2009

MEUSEUM

I had gone to the American museum of natural history in my home town, New York. (it was a trip in my school). it was okay I guess. We got to see some pretty cool movies like that big bang one. we also went through the hall of meteorites and I got to touch actual space junk, also learned a lot about the other planets and how stars and planets are made.
some time but it turns out that
one thing I learned was how long human life really was, I thought we've been here for quite a long time, but it turns out that we've been here for a strand of hair on the universe time cycle. I also learned how stars were made and stuff like that. it is pretty cool to know that earth is just a speck on the universe, there are endless possibilities that it can hold.

Thursday, December 17, 2009

LIFE? WHERE???

ever watched on of those old movies about alien invasion, and you would get scared and not be able to sleep at night? then, your parents would tell you 'it's just a movie, there are no such things as aliens' Well, they might be wrong. if you think about it, the universe is HUGE, there are do many places that there has to be somewhere that has the earth-like place, but the thing is is that we don't know.
Now, letSee full size images talk if there is a chance there could be life on Ganymede. On, ganymede, the crust is dry and cold. There is liquid to icy water in the outer layer, which takes up a lot of the inside of Ganymede. But beyond that the core is solid, because of the pressure the moon has. The only place that can have life is on the liquid outer core, but to me, I don't think there is (oh well). But on Titan, a moon of Saturn could be able to have life, most of it is ice but sciantist think there could be an ocean under the icy crust.

BUT, there is a place where life really could exist. It is called Gliese 581d, it is in orbit of a red dwarf star 20.5 light years away. it is a big planet and it said to have an ocean in it as well as protection from a bigger planet, and not to extreme temperatures. But it doesn't look like we will be visiting it soon because it is too far away from us.
People are still discovering new things about planets and moons that might just be able to have life on it.

Monday, December 14, 2009

SSPPAACCEE...

space is a very huge place. so huge that in fact we had to make a new measurement just to be able to measure it without having such big numbers. most of space is measured in light years or AU (distance from sun to the earth is 1 AU). light ears are bigger and would cover most of the universe. 1 light year is 9,500,000,000,000 kilometers. a lot. 1 AU is 149597870.691 kilometers. so that means a kilometer (which i don't call walking distance) is really a very very short distance, compared to the rest of the universe.
the distance between Ganymede and the sun is measured in AU. It is about 5.2 AU. It was not far
enough to be measured in Km, and to short to be measured in light years. yet if we took a spaceship
and flew to Ganymede, it would take somewhere around
a year and eight months to get there.

http://evildrganymede.net/art/images/ganymede.jpgspace is huge, so big that we will probably not know when we can have technology to be able to go out and look at other places beyond our solar system. for now be thankful we have an awesome planet to live on.