With each mass, she modeled 2 million years of orbit to find what kind of architectural impact each mass would have on our solar system ... but we could still live our lives," Chen explained.

The solar system is made up of the Sun (our nearest star) and the objects that orbit around it, including planets, asteroids and comets. Planets orbit the Sun in roughly circular paths ...

The two exoplanets, or planets outside of our solar system, orbit a star called TOI-1453, which is slightly cooler and smaller than our sun. Located about 250 light-years from Earth in the Draco ...