Neptune
The second to last planet in our solar system is Uranus. It is located after Saturn but before Neptune.
The four furthest planets from the sun are the gas giants; Jupiter, Saturn, Uranus and Neptune (being the furthest planet out). There are some dwarf planets beyond Neptune though, including Makemake, Sedna and Pluto.
Outer planets
because during its orbit pluto's orbit around the sun intercepts neptune which makes neptune either second to last or last
They have in common is that they are the last planets in the solar system
Here are the order of all of the planets,1. Mercury2. Venus3. Earth4. MarsNow those were the inner planets now here are the outer planets,5. Jupiter6. Saturn7. Uranus8. NeptuneHere is the last planet that's not in our solar system anymore,9. Pluto
Yes, recent research has found that a large percentage of stars have planetary systems. It is now believed that planets are a common feature in our galaxy, with some stars possibly hosting multiple planets. The discovery of thousands of exoplanets in the last few decades has increased our understanding of the prevalence of planets in the universe.
Nicolaus Copernicus (always referred to by just his last name) created the "Heliocentric Theory" which says that all of the planets revolve around the sun, in 1543. This challenged the belief that the earth was the center of the universe and was not accepted until about 1700.
It is Unknown
gases
The last time the planets aligned in a straight line while revolving around the sun was on March 20, 1345. This phenomenon, known as a planetary alignment, occurs when several planets appear in a line relative to the sun from the perspective of Earth.
The most reactive nonmetals are the Halogens. They are located in the second to last row on the Periodic Table from the right.