Page 84 - (DK) Danger! Open with Extreme Caution!

stars, but it is really a giant cannibal.
Astronomers have detected it ripping
deep trouble in deep space. Take
You can expect to run into some
our galaxy, the Milky Way: it may
apart dwarf galaxies until eventually
neighbor. In fact, there’s a whole tribe
of superhero troublemakers out there.
they are swallowed up by their giant
look like a bunch of harmless
colLiding galaxies Steer clear of colliding galaxies as they slowly pull each other apart, flinging out stars, dust, and gas into long streamers and leaving a trail of castaway stars. As the galaxies collide, they go through each other and then come out the other side in a different shape. However, this galactic tussle can take billions of years, so don’t bother hanging around to see who wins!

DEEP

SPACE

supernova Aging stars like to self-destruct in a blaze of glory: imagine an explosion with the force of 20 billion billion billion megatons of TNT. The result is Supernova—a massive burst of radiation brighter than an entire galaxy, a shock wave hurtling through space at 68 million mph (110 million km/h). With such power, she can do serious damage to entire planets. You have been warned.

Anything that gets too close—gas, stars, and entire
Supermassive Black Hole is gravity gone crazy.
solar systems—might be sucked into oblivion.
supermasSive black hole
If a planet gets caught in his pull, it would be
Three billion times the mass of our own Sun,

squashed to the size of a pinhead!

84
(c) 2011 Dorling Kindersley. All Rights Reserved.