A
"killer asteroid" refers to a large space rock that poses a significant threat to life on Earth if it were to collide with our planet. It has the potential to cause massive destruction and loss of life.
Full definition
Next month the only telescope scanning the southern hemisphere sky for dangerous space rocks will shut down for lack of money (see «Vital eye
for killer asteroids could shut imminently «-RRB-.
So for want of $ 1 million in funding, we won't be able to spot
killer asteroids from the southern hemisphere...
Consider that NASA can't continue to
find killer asteroids as they were commanded to do because they don't have the budget.
80 % of the movies that I watch are about the future, robots, the end of the world, missions to Mars, or other missions to save the earth from some
giant killer asteroid or something.
But Pan-STARRS is something of a stopgap effort that still will not produce the desired master map of all the potential city -
killer asteroids out there.
So far, surveys have discovered several thousand near - Earth objects, but astronomers estimate that as many as a million have diameters greater than 50 metres, big enough to be dangerous in a collision with Earth (see UN urged to
coordinate killer asteroid defences).
The Bottom Line: Probably the best -
known killer asteroid flick, this 1998 blockbuster action epic from director Michael Bay stars Bruce Willis, Ben Affleck, Billy Bob Thornton, Liv Tyler and Owen Wilson in a race against the clock to save the world from destruction.
Christoph Baranec built the Robo - AO observatory to takes high - resolution images using a laser to remove the blur of Earth's atmosphere, and John Tonry is developing ATLAS, a robotic observatory that will hunt
for killer asteroids.
This is how we are going to
find killer asteroids and a few million other solar system objects,» Ivezic says.
Were they wiped out by climate change,
a killer asteroid — or our ancestors?
NASA is now quite sure that no Earth -
killer asteroids are on a near - term collision course, but 50 - meter asteroids (large enough to flatten a city) strike every few hundred years, and almost all of them are uncharted.
People may neglect the material world — with its myriad of woes ranging from Mideast strife to global warming to
killer asteroids — for an existence that embraces the allure of simulacra.
In a chaotic cluster of asteroid shards, scientists glimpsed a void — evidence that part of the cluster had moved toward the inner planets, possibly sending
the killer asteroid to Earth.
Can we protect civilization from
a killer asteroid?
Scientists said that dinosaurs might have survived
the killer asteroid strike if it had occurred slightly earlier or later.
Now, a new study, published in the journal Biological Reviews, on Monday, has concluded that dinosaurs might have survived
the killer asteroid strike if it had occurred slightly earlier or later in the planet's evolutionary history.
However, the geological changes wrought by
the killer asteroid remains in the form of sinkholes, or cenotes, that formed around the impact crater.