Asteroids. Meteors and Meteorites

November 25, 2010
The Children's Educational Center of Oradea, Romania

Situated on the border between the terrestrial and giant planets, asteroids are very important objects because it keeps the date entered our solar system formation, 4.56 billion years ago and his subsequent history.
But what happens when after a collision, or the gravitational pull of other celestial bodies, asteroids change its trajectory?
How did dinosaurs exctinct? How was created Meteor Crater from Arizona?
How can we determine the density?
Have the Mars' moons Phobos and Deimos the same shapes with our Moon?
What are the meteors? It is a rain of stars?
The students found answers to all these questions during this activity.

Windows to the Universe

Time: November 11, 2010

The Children's Educational Center in Oradea, Romania

The Universe is fascinating, Hubble Space Telescope shows spectacular and mysterious depths of the cosmos.

A night sky full of stars and galaxies. We watched the summer triangle Vega, Altair and Deneb.
We participated in Great World Wide Star Count and the magnitude from our location was 3, as the visibility of stars in Cygnus constellation .
The children were delighted by the image of the Moon, the craters, the terminator. Even Jupiter was visible. And that night was really special because before 7 pm time the International Space Station has appeared rushed on the starry sky.