The European Space Agency's Rosetta spacecraft has spotted an amino
acid on the comet it orbits — confirming that a ball of ice and dust can hold a major building block of life.
The European Space Agency's Rosetta spacecraft has spotted an amino
acid on the comet it orbits — confirming that a ball of ice and dust can hold one of life's major building blocks.
Not exact matches
In 2011, left - handed amino
acids were discovered
on asteroids, but so far not
on comets, perhaps because
on comets the outer layers are destroyed as they heat up.