Summary
Observations of the orbits of six small objects have led researchers to propose a very large 9th planet--100s of astronomical units (AU) away from the sun. Far enough away that this Neptune-sized planet takes ~15,000 years to complete one orbit.
Related Videos
- World’s first flying bike XTURISMO Limited Edition takes wings
- XPeng unveils flying car that can travel both on the road and in the air
- RFusion: A Robot that Finds and Retrieves Missing Objects
- Introducing Amazon Astro – Household Robot for Home Monitoring, with Alexa
- This Is the ‘Air Taxi’ NASA Has Been Developing in Partnership With California Aeronautics Company