Distant Planet Offers Glimpse of Earth’s Far Future

Astronomers have discovered a planet orbiting a white dwarf, providing a glimpse of what Earth might look like billions of years from now. The planet, twice the size of Earth, orbits a dying star in a system located 4,000 light-years away. This discovery offers insights into the future of our solar system, as our Sun is expected to transform into a white dwarf in the distant future.

Microscopic Black Holes Could Be Zipping Through Our Solar System

A new study suggests that tiny, primordial black holes, formed shortly after the Big Bang, could be flying through our solar system every decade. These black holes, while minuscule, could generate detectable gravitational disturbances in the orbits of planets. This intriguing possibility could shed light on the mystery of dark matter, the invisible substance that makes up a significant portion of the universe.

Dinosaur-Killing Asteroid Traced to the Outer Solar System

A new study reveals that the asteroid that wiped out the dinosaurs 66 million years ago originated in the outer solar system, beyond Jupiter. This finding, based on the unique chemical composition of the impactor, provides crucial information about the origins of such catastrophic events and could improve our ability to predict future asteroid strikes.

Earth’s Spin: A Celestial Dance Preserved from Ancient Cosmic Swirls

Earth’s perpetual rotation, like the daily sunrise and sunset, is a testament to its formation from a primordial cloud of gas and dust. This initial spin, preserved today, dictates the direction of Earth’s rotation. While most planets in our solar system spin counterclockwise like the sun, Venus and Uranus exhibit unique spins. Venus’ thick atmosphere and atmospheric tides have likely slowed its rotation, causing it to spin clockwise. Uranus, on the other hand, spins on its side, possibly due to a collision with a massive object or gravitational influence from a former moon.

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