OSIRIS-REx spacecraft approaching Bennu asteroid

This series of images, captured on Apr. 14 during the first rehearsal of the OSIRIS-REx mission’s sample collection event, shows the SamCam instrument’s field of view as the spacecraft approaches and moves away from asteroid Bennu’s surface. The rehearsal brought the spacecraft through the first two maneuvers of the sampling event to a point approximately 213 feet (65 meters) above the surface, before backing the spacecraft away.
The sample collection event, which is scheduled for August.
The asteroids is one of the most dangerous to hit earth.
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Sattelites collide

An Irridium satelite collided yesterday with a Russian sattelite that, according to Roscosmos, the Russian space agency "in all likelihood... belonged in the past to the military".
Irridium is a system of 66 active satellites for using handheld satellite phones. Irridium says they have spares in orbit that will replace the crashed sattelite.
I wonder which sattelite will be held responsible according to space traffic rules.
With that space debris is promoted from a science fiction issue to a real threat. This mass of debris now consists of more than 500,000 objects. and includes empty upper-stages of launch vehicles, dead satellites, gloves, wrenches and even a toothbrush lost by astronauts from past space missions. Any object weighing more than a few grammes and travelling at seven kilometres per second can easily destroy a satellite.

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