Metallic asteroids: threat or benefit?

Apr 02

«Our results suggest a higher number of metallic objects in the Solar System than previously suspected» said Alan Harris from the DLR Institute of Planetary Research in Berlin. Thanks to the new infrared method will be possible to identify many other metal-rich asteroids. What surprised the scientists was that metallic asteroids emit less

NEOShield’s target object comes close to Earth

Apr 01

: Plot of the orbits of all presently known Potentially Hazardous Asteroids (PHAs)

Figure 1: Plot of the orbits of all presently known Potentially Hazardous Asteroids (PHAs), i.e. over 1400 as of early 2013. PHAs are asteroids with a size of at least 140 m and with orbits passing the Earth orbit within 7.5 million kilometres. The Earth orbit

The lander Philae was reactivated

Mar 31

At 11:35 GMT on March 28, 2014 Rosetta´s lander Philae sent a signal towards the Earth confirming its awakening. Philae has been realized with the purpose to send back high-resolution pictures of the comet 67P/Churyumov-Gerasimenko where the lander will land by the end of the year. Presently, scientists don´t know anything about the geology of the comet, therefore, Philae will analyze

NASA’s Hubble Telescope Spots Mars-Bound Comet Sprout Multiple Jets

Mar 29
The NASA’s Hubble Space Telescope photographed the comet C/2013 A1 on March 11, 2014. The telescope wasn’t able to see the icy nucleus of the comet because it was really small. The C/2103 A1 nucleus is surrounded by a dust cloud, also called COMA.

 

Siding Spring 

Thanks to the image processing tecniques it