The search for exoplanets has traditionally centered on those similar to Earth (of a relatively proportionate size and mass with comparable temperatures and atmospheric compositions) but scientists are now “rethinking the kinds of planets that may be habitable” and looking toward a
Interstellar comets visit our solar system more frequently than thought | Space
Comets from other star systems, such as 2019 Borisov, visit the sun's neighborhood more frequently than scientists had thought, a new study suggests.
The study, based on data gathered as Borisov zipped by Earth at a distance of about 185 million miles (300 million kilometers) in late 2019, suggests that the comet repository in the far outer solar system known as the Oort Cloud might be full of objects that were born around other stars.
The five most impressive geological structures in the solar system | Space
This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights .
When we talk about amazing geological features, we often limit ourselves to those on Earth . But as a geologist, I think that's crazy — there are so many structures on other worlds that can excite and inspire, and that can put processes on our own planet into perspective.
The Edge of Our Solar System May Be Full of Foreign, Interstellar Objects!
It was only two years ago, in the year 2019, that humans discovered the first and only interstellar comet to enter our solar system. Named Borisov, this icy space-rock flew into our celestial backyard from a completely foreign star system, travelling at a speed of 177,000 kilometres per hour!
Launch of free 'Spacescapes' exhibition: Tour the Solar System from Piccadilly | Imperial News |
Entitled ‘ Spacescapes: Postcards from our Solar System ’, the exhibition is curated by the Geological Society of London in partnership with the UK Space Agency and an international team of planetary scientists, architects, engineers, artists and designers.
ESE’s Professor Sanjeev Gupta , science team member on NASA’s Curiosity and Perseverance missions to Mars, has supported the exhibition team as its primary science advisor, helping to curate the featured content, and also more widely advising on the Geological Society’s
The 'small wonders' unlocking secrets of the solar system
Dante Lauretta is serene as he prepares for the 17 seconds he's worked toward for the past 16 years.
Lauretta, a University of Arizona planetary scientist, is transfixed by a monitor showing three simulated views of a rubbly, top-shaped object floating in a sea of stars. That's the asteroid known as 101955 Bennu .
These five impressive geological structures in our solar system will blow your mind- Technology
When we talk about amazing geological features, we often limit ourselves to those on Earth. But as a geologist, I think that's crazy – there are so many structures on other worlds that can excite and inspire, and that can put processes on our own planet into perspective.
Here, in no particular order, are the five geological structures in the solar system (excluding Earth) that most impress me.
Why Is Pluto Not a Planet? - The Atlantic
In 2006, astronomers gathered in Prague to consider a very basic question: How many planets are in our solar system? Was it nine, or was it actually eight, or perhaps as many as 12?
The wider public doesn't usually get riled up about the solar system, but this decision was quite shocking. For many Americans, the names of planets were some of the earliest scientific facts we learned, and that there were nine of them seemed like a basic truth of existence.
EarthSky | Planet Nine: Scientists map its likely location
William Herschel discovered Uranus in 1781. Johann Gottried Galle (and others) discovered Neptune in 1846. Clyde Tombaugh discovered Pluto in 1930. Whose name will fill in the blank for the discovery of Planet Nine? Will it be you ?
The map shows a wavy line projected on the sky tracing out the most likely path of Planet Nine. But where on that path is Planet Nine right now? As Brown said:
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