This year, 2019, our perihelion was 1.5 centimeters farther away than it was last year
If they can get us to believe they can measure it that precisely, they can get us to believe anything they tell us.
“They honestly expect us to believe that baloney.”
That was my initial reaction as well.
Because physics is just a trick, designed to tell you a bunch of lies. Some of you are strange people.
In any case, if you'd read the article you'd note that it's not a measurement. It's a calculation based on the various forces at work.
And science is capable of measuring a great many things very precisely. You'd obviously be surprised.