A planet planet is found far outside the orbit of Neptune at a whopping 50AU away! How long is a year on this planet?
Also can someone explain how they got it please it’s for finals <3

In positive numbers less than 1, the zeros between the decimal point and a non-zero number are blank significant

If an astronaut takes an object to the moon the following is true (choose only one). a the mass will change but the weight will be the same. b both the mass and the weight of the object will be the same. c the weight will change but the mass will be the same. d both the mass and the weight of the object will change.

Discuss how the hardness or softness of the landing surface is related to the time required to stop the egg