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Why do astronomers believe Triton may have been a planet that was captured by Neptune?
Astronomers believe Triton may have been a planet that was captured by Neptune because it orbits in the opposite direction of Neptune's rotation and is tilted compared to the planet's other moons. This suggests it did not form in place with the other moons of Neptune, but rather was captured later in the planet's history.
What term do astronomers use for the time it takes for a planet to orbit the sun relative to the stars?
Astronomers use the term "sidereal period" to describe the time it takes for a planet to orbit the sun relative to the stars. Sidereal periods are measured based on the apparent motion of a planet against the background of fixed stars rather than against the sun. This allows for more precise measurements of a planet's orbital period.
Is IO a planet?
No. Io is a moon as it orbits the planet Jupiter rather than the sun.
What planet revolves around the sun while rotation on its side?
Uranus rotates in its horizontal axis rather than on its vertical one, like the other planets in the solar system. Astronomers believe that an Earth-sized object collided with the planet in the distant plans and knocked it onto its side.
What is the moon a planet or something?
The moon is a moon, also known as a natural satellite. It is not considered a planet as it orbits a planet (Earth) rather than the sun.
Why do astronomers believe Triton may have been a planet that was captured by Neptune?
Astronomers believe Triton may have been a planet that was captured by Neptune because it orbits in the opposite direction of Neptune's rotation and is tilted compared to the planet's other moons. This suggests it did not form in place with the other moons of Neptune, but rather was captured later in the planet's history.
What term do astronomers use for the time it takes for a planet to orbit the sun relative to the stars?
Astronomers use the term "sidereal period" to describe the time it takes for a planet to orbit the sun relative to the stars. Sidereal periods are measured based on the apparent motion of a planet against the background of fixed stars rather than against the sun. This allows for more precise measurements of a planet's orbital period.
What planet has a large red spot thought to be a hurricane?
Jupiter has a large red spot that is thought to be a massive storm system, rather than a hurricane. This storm has been raging for hundreds of years and is monitored closely by astronomers.
How do you be a member on fantage without being a member?
This is rather a difficult thing to do. You can not be a member without being a member.
Is IO a planet?
No. Io is a moon as it orbits the planet Jupiter rather than the sun.
How does newtons gravitational law helps to discover new planets?
When a planet moves around a star, it causes the star to wobble a bit from side to side as planets follow an elliptical orbit rather than a circular orbit. Astronomers can then use this fact to see whether stars have planets.
Is mercury a moon of any planet?
No. Mercury orbits the sun, so it is a planet rather than a moon.
What planet revolves around the sun while rotation on its side?
Uranus rotates in its horizontal axis rather than on its vertical one, like the other planets in the solar system. Astronomers believe that an Earth-sized object collided with the planet in the distant plans and knocked it onto its side.
What is the moon a planet or something?
The moon is a moon, also known as a natural satellite. It is not considered a planet as it orbits a planet (Earth) rather than the sun.
How is the axis of planet Pluto tilted?
Dwarf planet Pluto has an extreme axis tilt, rather like the planet Uranus. The tilt is about 120 degrees.
What does Neptune was the first planet found by mathematical prediction rather than by empirical observation mean?
Previous planets had been discovered by just happening to see them in the sky. the last of those was the planet Uranus, first identified in 1781. By looking at the orbit of Uranus, astronomers noticed irregularities in it. Because of this they suspected that something was causing a gravitational pull on it. This led them to believe that there might be another planet beyond Uranus that was doing this. So they set about trying to calculate where it was and then to look for it. They had to identify how much of an irregularity there was in the orbit of Uranus, and what size of an object would cause it and how far it would be from Uranus at different times. To make the calculations as to where to find it took many years, before it was finally observed in 1846.
Why do astronomers say on the sky rather than in the sky?
I've never heard anybody use the phrase "on the sky" in any context.
