At the end of 2024, astronomers detected an asteroid in the night sky. It was given the designation Y, since it was ...

Some worlds, however, have more elongated orbits. The degree of elongation, known as eccentricity, is measured on a scale of 0 (for a perfect circle) to 1 (a hyperbola). Earth's orbital eccentricity ...

The distance between Earth and Mars changes constantly due to their orbits, and the technology used to propel spacecraft plays a significant role in determining travel time. In this article ...

NASA and European scientists explain how they calculate the probability of the space rock 2024 YR4 impacting our planet, and why it’s not yet time to worry.

Planetary oppositions for planets such as Jupiter and Uranus are near-annual, but the difference between Earth and Mars’s orbits (Mars orbits the sun every 687 days) means that Mars opposition is less ...

this time including the orbits of the inner planets (Mercury, Venus, Earth and Mars), and found that the most likely scenario involved an object eight times the mass of Jupiter zipping nearly as ...

“There's no enforcement mechanism,” says Pelton. The commentary concludes by advocating for change — both for the ocean floor and the Earth, Moon, and Mars’ orbits. “We need to recognize the pollution ...

The sun's distance from Earth changes throughout ... do with the observation of orbits of other planets. "In about 1604, Johannes Kepler fitted an ellipse model of Mars' orbit to observations ...