an atmosphere, air or what the creature breathes and water
Planetesimal formation.
maybe because planets are stupid
I understand that they have calculated that such a ring would not be stable in the long term. It might last a few hundred million years, at most, if I remember correctly.
Astronomers.
Astronomers
jupiter,saturn, uranusan neptune are called
Planetesimal formation.
Teams of astronomers have studies all possible planets.
Astronomers use a telescope to view planets directly.
maybe because planets are stupid
Many astronomers, historians, regular people, and scientisis know about the planets in our Solar system.
astronomers
I understand that they have calculated that such a ring would not be stable in the long term. It might last a few hundred million years, at most, if I remember correctly.
before the teloscope was invented what were ancient astronomers able to learn about the planets ?
Because the ancient Greek astronomers were one of the first astronomers to discover the planets. As they looked at the planets over time they moved into different places. The planets seemed o orbit the Sun so the Greek astronomers called them planets, which meant :wanderers.
Astronomers.
Astronomers.