Solar System

The solar system had 6 planets in 1776 but now has 8. The article questions whether the count of planets will continue to change beyond 8.

The article discusses the threat of asteroids to Earth and explores potential protective measures. It describes the solar system as filled with flying projectiles that could one day impact Earth.

The article discusses the discovery of Pluto and its location at the outer fringe of the Solar System. It highlights the significance of reaching this distant planet.

Standard solar system diagrams compress distances, exaggerate sizes, and omit most of what exists in reality. The 20 facts presented aim to correct these inaccuracies and provide a more scientifically accurate representation of the solar system's scale and composition.

The article explains that the frequent conjunction of Venus and Jupiter in the night sky is linked to the structure of Earth's life-supporting solar system. The alignment highlights how planetary orbits and positions create observable celestial events.

Venus and Jupiter will appear close together low above the western horizon after sunset this week, visible as brilliant points against the twilight sky. They will be separated by about 1.5 degrees, requiring a clear view of the horizon for optimal observation.

Astronomers have measured the mass of a dormant black hole and made discoveries related to a lost protoplanet in our solar system. These findings are highlighted as part of recent science news.

NASA has declared a probe dead after it tracked a mysterious visitor in the solar system. The probe was used to monitor the unknown object's movement.

Scientists discovered a dust-filled ring beyond Jupiter that functioned as a 'planetesimal factory,' generating multiple generations of space rocks with distinct compositions. This finding may explain the origins of ancient meteorites dating back to the Solar System's formation.

A new study reveals that Nereid, one of Neptune's 16 known moons, may hold an incredible connection to the planet itself. Researchers are highlighting that Nereid is extremely understudied despite its potential significance to understanding Neptune's moon system.

Scientists discovered an unusual planetary system where a rocky planet orbits farther from its star than giant gas planets, contradicting conventional planet formation theory. This finding suggests planets may form later than previously believed and that our Solar System's structure may not be universal.

Scientists have discovered remnants of a stellar explosion trapped in Antarctic ice, which could provide insights into our solar system. The study found stardust in Antarctic ice, potentially revealing new information about the solar system's history. This discovery may lead to a deeper understanding of the universe.

Earth is collecting radioactive debris from an ancient supernova explosion as it drifts through a giant cloud of gas and dust, with scientists finding evidence in Antarctic ice up to 80,000 years old. The discovery suggests the cloud surrounding our Solar System was shaped by a long-ago exploding star. This finding offers researchers a new way to study our galactic neighborhood.

An ultraheavy ultra-high energy cosmic ray has reached Earth, sparking interest in the mysterious particles known as cosmic rays. Cosmic rays are high-energy particles that originate from outside the solar system. The exact source and nature of these particles remain unclear.

A study published in Nature found that pristine Antarctic ice contains rare isotopes that provide clues about the Solar System's entry into the Local Interstellar Cloud. The discovery was made possible by analyzing ice records from Antarctica. This research sheds light on the Solar System's travels and history.

A mysterious interstellar comet called 3I/ATLAS contains a high amount of heavy water, giving astronomers insight into alien worlds. This comet may have formed in a colder and stranger place than anything around our Sun. The discovery provides a rare glimpse into the formation of celestial bodies beyond our solar system.

Astronomers discovered a faint atmosphere on 2002 XV93, a tiny icy world in the outer Solar System, which is unexpected given its small size. The atmosphere is short-lived and should vanish within 1,000 years unless replenished. This finding is puzzling and has sparked interest among astronomers.

A tiny world at the edge of our solar system has developed a mysterious atmosphere, and scientists are unsure how it formed. The planet is surrounded by a hazy purple atmosphere and white dots in a line behind it. This phenomenon is currently not understood.

An X-ray image reveals the solar system's 'breathing' through the separation of SWCX foreground emission from the cosmic X-ray sky in the Western Galactic hemisphere. Stripe patterns in the image are attributed to temporal variations in emission and eROSITA's scanning geometry.

Scientists are investigating why the Universe behaves differently on massive scales compared to the solar system, with theories pointing to dark energy or a hidden 'fifth force'. Observations of distant galaxies suggest gravitational anomalies not seen locally, where Einstein's laws remain consistent.

A model of the early Solar System's rapid cooling, which prevented chemical equilibrium, explains the formation of mineral structures similar to key meteorite classes. The study suggests this process shaped the first meteorites in the Solar System.

NASA has shut down an instrument on Voyager 1 to conserve resources and extend its mission in interstellar space. Launched in 1977, the probe is currently exploring the farthest edges of the solar system.