Sentence examples for an undiscovered planet from inspiring English sources

The researchers are keeping an open mind about what lies beyond Neptune, however, and note in the paper that a disk of smaller objects may work in conjunction with an undiscovered planet à la Planet Nine to exert the observed gravitational force.

It appeared possible that the gravitational attraction of an undiscovered planet was perturbing the orbit of Uranus.

In the third edition, published in 1836, she wrote that difficulties in calculating the position of Uranus may point to the existence of an undiscovered planet.

Every player will start their journey on an undiscovered planet; they will be the only person to have walked its surface.

In the 1840s John Couch Adams in England and Urbain-Jean-Joseph Leverrier in France independently sought to explain the anomaly through the gravitational attraction of an undiscovered planet outside the orbit of Uranus.

They have helped turn a nation on to stargazing, located an undiscovered planet, saved the astronomy GCSE from being scrapped and enabled local astronomy and science clubs to see great surges in membership and interest.

In popular culture, and even among some astronomers, Planet X has become a stand-in term for any undiscovered planet in the outer Solar System, regardless of its relationship to Lowell's hypothesis.

According to research these planets behave as though they're being affected by the gravity of a much larger body and astronomers have speculated that there's a yet undiscovered planet dubbed "Planet X".

Two astronomers, John Couch Adams and Urbain Leverrier, instead suggested (independently of each other but almost simultaneously) that there was an eighth, as yet undiscovered planet in the solar system; that, they thought, provided the best explanation of Uranus' deviating orbit.

However another (undiscovered) planet further out, say a Neptune-mass planet at 5 AU, might be required to keep the comet belt replenished.

In the 1840s, the French mathematician Urbain Le Verrier used Newtonian mechanics to analyse perturbations in the orbit of Uranus, and hypothesised that they were caused by the gravitational pull of a yet-undiscovered planet.