Scientists say they have identified the oldest solid material on Earth, stardust believed to have formed about 7 billion years ago. It was found in pieces of meteorite that fell out of the sky in Australia 50 years ago.

How old is the oldest material found on earth?
1 billion years old
100 million years old
7 million years old
7 billion years old
The meteroite described in this article was discovered in Australia
Northern Ireland
Australia
The Sahara Desert
Antartica