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Astronomers saw some deviations from the expect orbit of the planet Uranus. Based on these deviations, some theorized that Uranus was being pulled out of its expect orbit by another planet, which turned out be Neptune.
Unexpected changes in the orbit of Uranus led astronomers to believe that there was another planet affecting its orbit. Detailed studies of Uranus's orbit allowed them to predict its existence and location.
Neptune
Irregularities in Uranus's orbit.
No, of course not. But astronomers are searching for alien life in Mars.
Because its axis of rotation is on its side. Earth tilts at about 23.5° whereas Uranus is tilted at close to 98°.
Astronomers aren't sure why. Uranus may have been involved in a collision with another large object. We don't know.
Astronomers had noticed unexpected changes in the orbit of Uranus: the only explanation was another planet. Detailed study of the orbit of Uranus led to estimates about the size and location of Neptune.
Astronomers were actually studying another planet, Uranus.
Astronomers saw some deviations from the expect orbit of the planet Uranus. Based on these deviations, some theorized that Uranus was being pulled out of its expect orbit by another planet, which turned out be Neptune.
Unexpected changes in the orbit of Uranus led astronomers to believe that there was another planet affecting its orbit. Detailed studies of Uranus's orbit allowed them to predict its existence and location.
Astronomers now realize that Pluto does not have nearly enough mass to noticeably affect the orbits of Uranus or Neptune.
Ya mum.
Neptune
Irregularities in Uranus's orbit.
No, of course not. But astronomers are searching for alien life in Mars.
Astonomeres have made the calculation of 27 moons and their calculatoins were right tere are 27 moons on Uranus