NASA's Lucy mission will observe the earliest 'fossils' of the solar system | News |

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The Lucy mission has passed all of its prelaunch tests and is set to leave Cape Canaveral Space Force Station at around 5:30 a.m. ET on October 16.

The Trojan asteroids, which borrow their name from Greek mythology, orbit the sun in two swarms -- one that's ahead of Jupiter, the largest planet in our solar system, and a second one that lags behind it.

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Publisher: Clayton News
Author: Ashley Strickland CNN
Twitter: @theclaytonnews
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Gigantic Comet Approaching From Outer Solar System May Be The Largest Ever Seen

A comet so huge it was initially mistaken for a dwarf planet is on an inward-bound trajectory from the outer Solar System.

There's no reason to worry – C/2014 UN 271 (Bernardinelli-Bernstein), as the comet is called, will approach no closer to the Sun than just outside the orbit of Saturn.

Publisher: ScienceAlert
Author: Michelle Starr
Twitter: @ScienceAlert
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A bigger nursery for the solar system's first formed solids

Calcium-Aluminum-rich inclusions (CAIs) in meteorites are the oldest dated solids that formed within the solar system. They carry crucial information regarding the environmental conditions of the earliest stages of the protoplanetary disk before any of the planets formed.

"Our findings indicate that CAI formation during molecular cloud infall and disk build-up likely occurred at greater distances from the sun that we thought before, potentially up to planet-forming regions of the solar system," said LLNL postdoc Quinn Shollenberger, a co-author of the paper.

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What happens to interstellar objects captured by the solar system?

We know of two ISOs for certain: "Oumuamua and comet 2I/Borisov. There must've been others, probably many of them. But we've only recently gained the technology to see them. We'll likely discover many more of them soon, thanks to new facilities like the Vera C. Rubin Observatory.

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Nedagolla meteorite: Hybrid rock hints at solar system smash-up | New Scientist

A meteorite that fell on Earth more than a century ago may contain some of the first concrete evidence for a cosmic mash-up in the early solar system.

Following the birth of our sun 4.5 billion years ago, it is thought that Jupiter's formation caused two reservoirs of asteroids to gather in the solar system, one inside the giant planet's orbit and one outside.

Publisher: New Scientist
Author: Jonathan O Callaghan
Twitter: @newscientist
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Sci-Simplified: Here's All You Need to Know About Mysterious, Hypothetical 'Planet 9' of Our

It has been 15 years since Pluto—previously known as the ninth planet of the solar system—was demoted (sadly!) to the status of a dwarf planet. Some of us are still not over it! The decision to demote Pluto, while astronomically sound, was difficult to digest for sentimental reasons.

However, Michael Brown, one of the scientists who pushed for Pluto to be stripped of its planetary status, had no trouble moving on. He seems to have already found a replacement for the dwarf planet: the infamous Planet 9!

Publisher: The Weather Channel
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There Might Be a Mars-Like Planet Hiding in the Outer Solar System - ExtremeTech

If the 21st century has taught us any astronomical lessons, it’s that counting planets is hard. In 2000, there were nine planets, and now there are eight, but that might not last.

All the planetary uncertainty lies in the outer reaches of the solar system, beyond the orbit of Neptune. This is where Clyde Tombaugh discovered Pluto, which we thought was a planet for decades but has since been demoted to a dwarf planet.

Publisher: ExtremeTech
Date: 2021-09-28T15:17:19-04:00
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This Is the Largest Moon in the Solar System – 24/7 Wall St.

There are 214 moons in our solar system . Of these, 158 are “confirmed” and another 56 are “provisional,” meaning a moon that has been seen only once. Of the 16 moons that have mean diameters of over kilometers, four orbit Jupiter, four orbit Saturn and four orbit Uranus.

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Date: 2021-09-29T11:30:11Z
Author: Douglas A McIntyre
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Hi. Since I graduated from college, I've been trying to find cool new interesting things to do. Creating special effects wins as my favorite.

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