This article from Space.com talks about the journey of SpaceX’s ‘starman’ and It tesla Roadster. they were launched into space back in february and has recently pushed passed mars in the solar system and has reached its heliocentric orbit.
the article does a good job of explaining some of the things of space that are important and uses a diagram to illustrate where ‘Starman’ is. The article also does a good job of giving back ground inforamtion into the project, noting that the roadster used to belong to Elon Musk and the man different pop references laden through out the project.
This article also does a good job of providing a link to the different articles or videos that help add imagery to the events being described.