Browsing Tag
solar system
11 posts
Could the latest ‘interstellar comet’ be an alien probe? Why spotting cosmic visitors is harder than you think
Comet 3I/ATLAS. International Gemini Observatory/NOIRLab/NSF/AURA/K. Meech/Jen Miller/Mahdi Zamani, CC BY Sara Webb, Swinburne University of Technology On July…
New evidence for an unexpected player in Earth’s multimillion-year climate cycles: the planet Mars
Dietmar Muller Adriana Dutkiewicz, University of Sydney; Dietmar Müller, University of Sydney, and Slah Boulila, Sorbonne Université Our…
Our survey of the sky is uncovering the secrets of how planets are born
Discs giving birth to new planets, seen by the Very Large Telescope. ESO/C. Ginski, A. Garufi, P.-G. Valegård…
New Study Reveals Clues to Neptune’s Formation in the Outer Solar System
At a Glance A recent study published in the journal Astronomy & Astrophysics has shed light on the…
Orbital resonance − the striking gravitational dance done by planets with aligning orbits
Planets can gravitationally affect each other when their orbits line up. NASA/JPL-Caltech Chris Impey, University of Arizona Planets…
The Solar System used to have nine planets. Maybe it still does? Here’s your catch-up on space today
Shutterstock Sara Webb, Swinburne University of Technology and Rebecca Allen, Swinburne University of Technology Some of us remember…
Sahara space rock 4.5 billion years old upends assumptions about the early Solar System
Steve Jurvetson / Wikimedia, CC BY-SA Evgenii Krestianinov, Australian National University In May 2020, some unusual rocks containing…
How Old Are Saturn’s Rings?
The Earth is roughly 4.5 billion years old, and researchers seem to agree that the planets of the…
Water In our Solar System Formed Billions of Years Before the Sun, Scientists Find
Scientists using the Atacama Large Millimeter/Submillimeter Array (ALMA) have found water in the circumstellar disk of a nearby…
A pristine chunk of space rock found within hours of hitting Earth can tell us about the birth of the Solar System
Sarah McMullan / UKFN / Global Fireball Observatory Eleanor K. Sansom, Curtin University At about 10 o’clock on…