Monday, October 26, 2020

Our View: NASA mission could shine new light on the beginning of the solar system - Portland

It’s no small thing deciding who will occupying our political offices and wield power for the next few years. But you’ll have to excuse some NASA scientists if they have bigger questions on the brain.

A team at NASA last week successfully made contact with a primordial asteroid more than 200 million miles away, as the spacecraft Osiris-Rex reached out and grabbed its surface, with any luck picking up some ancient material to bring back to Earth.

logo
Publisher: Press Herald
Date: 2020-10-26T08:00:11 00:00
Twitter: @pressherald
Reference: (Read more) Visit Source



This may worth something:

Second alignment plane of solar system discovered -- ScienceDaily

A study of comet motions indicates that the Solar System has a second alignment plane. Analytical investigation of the orbits of long-period comets shows that the aphelia of the comets, the point where they are farthest from the Sun, tend to fall close to either the well-known ecliptic plane where the planets reside or a newly discovered "empty ecliptic." This has important implications for models of how comets originally formed in the Solar System.

In the Solar System, the planets and most other bodies move in roughly the same orbital plane, known as the ecliptic, but there are exceptions such as comets. Comets, especially long-period comets taking tens-of-thousands of years to complete each orbit, are not confined to the area near the ecliptic; they are seen coming and going in various directions.

Publisher: ScienceDaily
Reference: (Read more) Visit Source



Six solar system oddities and why they're important - Big Think

Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington

* * *

Unlike many other items on this list, this strange occurrence is likely caused by a fairly mundane mechanism. As the planet, which is made primarily of metal, has a high iron content, scientists speculate that the planet is shrinking as it continues to cool down from the high internal temperatures it had when it formed.

However, this isn't the end of things. Why Mercury has such a higher iron content remains a mystery.

Publisher: Big Think
Date: 2020-10-13T19:21:46 00:00
Author: https www facebook com 46126453526
Twitter: @
Reference: (Read more) Visit Source



Oxygen isotopic heterogeneity in the early Solar System inherited from the protosolar molecular

The Sun is 16 O-enriched (Δ 17 O = −28.4 ± 3.6‰) relative to the terrestrial planets, asteroids, and chondrules (−7‰ < Δ 17 O < 3‰). Ca,Al-rich inclusions (CAIs), the oldest Solar System solids, approach the Sun's Δ 17 O. Ultraviolet CO self-shielding resulting in formation of 16 O-rich CO and 17,18 O-enriched water is the currently favored mechanism invoked to explain the observed range of Δ 17 O.

( A to D and F ) Backscattered electron images and ( E ) combined x-ray elemental map in Mg (red), Ca (green), and Al (blue) of the grossite-bearing CAIs (A) 1579-2-1 , (B) MB2-15 , (C) 1573-4-11 , (D) MB111-33 , and (E and F) 4C from Acfer 214 (CH) and QUE 94627 (CB). The region outlined in (E) is shown in (F).

Publisher: Science Advances
Date: 2020-10-01
Reference: (Read more) Visit Source



Check out this next:

Firestone Walker Creates a 'Solar System' • Atascadero News

PASO ROBLES — Tucked behind Firestone Walker Brewing Company is what co-founder David Walker playfully calls the "solar system" — a 2.1-megawatt array that will offset a majority of the brewery's energy usage.

"That is a pretty grand word for it, isn't it, solar system," he says with a hearty laugh before lowering his voice and saying, "Welcome to our solar system."

He is obviously having a bit of fun, but make no mistake, Walker and co-founder Adam Firestone take sustainable brewing very seriously.

Publisher: Atascadero News
Date: 2020-10-24T00:48:41 00:00
Twitter: @PasoRoblesPress
Reference: (Read more) Visit Source



NASA 'fist bumps' an asteroid to reveal Solar System's secrets

NASA's OSIRIS-REx spacecraft is set to sample the diamond-shaped asteroid Bennu. Credit: NASA/Goddard/University of Arizona

NASA has grabbed its first-ever taste of an asteroid. On 20 October, some 334 million kilometres from Earth, the agency's OSIRIS-REx spacecraft briefly touched the surface of an asteroid named Bennu, with the aim of hoovering up a collection of dust and pebbles. NASA should know within a week if it was successful in picking up material. If so, the spacecraft will fly the carbon-rich rubble back to Earth, where scientists can probe it for clues to the history of the Solar System.

Date: 2020-10-16
Twitter: @nature
Reference: (Read more) Visit Source



Voyager Spacecraft Detect an Increase in The Density of Space Outside The Solar System

In November 2018, after an epic, 41-year voyage, Voyager 2 finally crossed the boundary that marked the limit of the Sun's influence and entered interstellar space. But the little probe's mission isn't done yet - it's now sending home information about the space beyond the Solar System.

And it's revealing something surprising. As Voyager 2 moves farther and farther from the Sun, the density of space is increasing.

It's not the first time this density increase has been detected. Voyager 1, which entered interstellar space in 2012, detected a similar density gradient at a separate location.

Publisher: ScienceAlert
Author: Michelle Starr
Twitter: @ScienceAlert
Reference: (Read more) Visit Source



The Solar System has a second plane where objects orbit the Sun - Universe Today

When solar systems like ours first start forming, they compress from a loose-and-irregular cloud of gas and dust into a rapidly spinning, thin, flat disk. All the planets, the asteroids, and the comets form in this disk . Once that disk disappears (either through its material accreting onto planets or it getting blasted by outbursts from the young sun), all the objects still maintain that original orbital preference, something called the ecliptic plane.

You can see this effect today, as you watch the sun, the moon, and all the planets travel along roughly the same track on the sky.

Publisher: Universe Today
Date: 2020-10-09T05:07:00-04:00
Author: http www facebook com paulmattsutter
Reference: (Read more) Visit Source



Happening on Twitter

No comments:

Post a Comment