Sentences with phrase «how big an asteroid»

So Loeb and colleagues calculated just how big an asteroid, how strong a supernova, or how powerful a gamma - ray burst would have to be to inject that much energy into Earth's oceans.

Not exact matches

To determine which theory is correct, the researchers needed to find some of the asteroid belt's original occupants to see how big they are.

That's just long enough to make a big difference in how an asteroid evolves.

How our planet's water arrived may be a story of big, bullying planets and ice - filled asteroids.

The authors suggest that searches for these impact ejecta layers will be more fruitful for determining how many times Earth was hit by big asteroids than searches for large craters.

u One of the big problems in the current story on how asteroids evolved is: «How do gas and dust in a hypothetical solar nebula condense into dense boulders (asteroids, planetesimals, and meteoroids)?&raqhow asteroids evolved is: «How do gas and dust in a hypothetical solar nebula condense into dense boulders (asteroids, planetesimals, and meteoroids)?&raqHow do gas and dust in a hypothetical solar nebula condense into dense boulders (asteroids, planetesimals, and meteoroids)?»