The Asgard is the sixth Daedalus Class ship of Earth, BC-304. Named in honor of the Asgard race that helped humanity and who left their knowledge to. It was sent out to the Othala Galaxy to search for any remains of the Asgard Race. What it found was a space station. The Asgard attempted communication and received a response.

People of Earth, this station has been left for you.  Stargate address is being transmitted.

Soon after the Asgard sent the message back to Earth, it stopped sending all messages.