NASA chief labels Indian space weapon test 'terrible, unacceptable thing'.

WASHINGTON, D.C.

: The head of NASA has branded India's destruction of one of its satellites that created 400 pieces oforbital debrisand led to new dangers for astronauts aboard the International Space Station (ISS) a "terrible thing".Jim Bridenstine wasaddressingemployees of the National Aeronautics and Space Administration on Monday, five days after Indiashot downa low-orbiting satellite in a missile test to prove it was among the world's advanced space powers.

Not all of the pieces were big enough to track, Bridenstine explained."What we are tracking right now, objects big enough to track we're talking about 10 centimetres [six inches] or bigger about 60 pieces have been tracked.

"The Indian satellite was destroyed at a relatively low altitude of 180 miles [300 kilometres], well below the ISS and most satellites in orbit. But 24 of the pieces "are going above the apogee of the International Space Station", said Bridenstine.

"That is a terrible, terrible thing to create an event that sends debris at an apogee that goes above the International Space Station," he continued, adding: "That kind of activity is not compatible with the future of human spaceflight.""It's unacceptable and Nasa needs to be very clear about what its impact to us is.

"The US military tracks objects in space to predict the collision risk for the ISS and for satellites. They are currently tracking 23,000 objects larger than 10 centimetres.

That includes about 10,000 pieces of space debris, of which nearly 3,000...