Asteroid or comet | ||||||||||||||||||||||||||||||||||||||||||||||
Comet Hartley 2 | Automatic translation | Updated June 01, 2013 | ||||||||||||||||||||||||||||||||||||||||||||
What is the explanation for the strange resemblance between the comet Hartley 2 in 2010 and explored the asteroid Itokawa visited in 2005? | The images of the comet Hartley 2 show clearly its shape into a pickle and various jets of gas and dust.
| Image: View 103P/Hartley core 2 made by the probe as it moved Epoxi closer to the comet 4/11/2010. © Nasa. | ||||||||||||||||||||||||||||||||||||||||||||
Asteroid Itokawa | ||||||||||||||||||||||||||||||||||||||||||||||
Itokawa could have been a comet before the disruption occurred in the solar system there are 4 billion years. Numerous small rocky bodies called asteroids are present in the solar system, a significant portion of them circulate in a ring between the orbits of Mars and Jupiter between 2 and 4 UA (symbole: UA) The mean distance Earth to the Sun. An AU is 149,597,871 km. It is a unit often used for distances in the solar system, or the distance between two stars in a dual system. , in the asteroid belt. This belt marks the boundary between the terrestrial planets and gas giants. | The Amor, which border the outer orbit of the Earth. The asteroid 25143 Itokawa is like Apollo.
Image: Image taken by the Japanese probe Hayabusa in 2005. The probe landed on the asteroid 19 November 2005 and brought back rock samples (1500 grains of dust) in 2010. |