Wednesday, September 14, 2022

Our Earliest Close-Ups of the Planets Versus Today's Best Shots

For centuries, astronomers were limited to ground-based observations of the planets, but now we use spacecraft to capture close-up views of our neighboring worlds. Excitingly, our views of solar system planets have been getting progressively better over the decades, as these images attest.

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Publisher: Gizmodo
Date: 2022-09-14T14:42:00.579Z
Twitter: @gizmodo
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Giant stars turn to theft to snag jumbo planets

Keeping its distance: a gas-giant exoplanet follows an orbit far from its massive star (artist's illustration). Credit: Mark Garlick

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Date: 2022-09-13
Twitter: @nature
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6 Planets In Retrograde September 2022: Here's The Meaning Of Each One

We are currently in the middle of 2022's third Mercury retrograde of the year. If you thought one planet being in retrograde sounded like a tough pill to swallow, try six !

When a planet enters a retrograde orbit, it simply means that they're taking a mini hiatus, slowing down, and not working to their fullest potential. Mesa compares a planet being in retrograde to an employee simply being out of office for a period of time.

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Publisher: Her Campus | HerCampus.com is the #1 global community for college women, written entirely by the nation's top college journalists from 380+ campus chapters around the world.
Date: 2022-09-14T21:11:52 00:00
Twitter: @hercampus
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Researchers pioneer new technique that could help determine habitability of planets | ASU News
Publisher: ASU News
Date: 2022-09-13T10:08:00-07:00
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Dwarf planets | | richmond.com

If you grew up between the 1930s and the 1990s, you learned about the nine planets in our solar system. This all changed when astronomers began to argue about whether Pluto was actually a planet.

In a highly controversial decision, the International Astronomical Union decided in 2006 to call Pluto a dwarf planet instead, reducing the number of planets in our solar system to eight.

Publisher: Richmond Times-Dispatch
Date: Richmond Times-Dispatch
Twitter: @rtdnews
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How to see the planets in September 2022 | BBC Science Focus Magazine

After residing in the morning sky for the first half of 2022, the bright and not-so-bright planets can now be seen in the late evening sky.

The planetary progression starts with Saturn, which is visible 20 ̊ above the southern horizon at 11 pm BST on 14 September, progressively getting to this position earlier each night to arrive there by 10 pm on 30 September.

Publisher: BBC Science Focus Magazine
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10 Best Astronomy Apps For Finding Stars And Planets

Via Sky News , NASA recently announced that they had plans to put humans back on the moon, reinvigorating peoples interest in space. While this news has opened to more space expeditions, others may feel more comfortable at home studying the stars, planets, and galaxies.

It can be overwhelming to understand the night sky, especially for amateur astronomers who don't know where to start. Luckily, apps like Sky Guide and Star Walk can help newbies and experts to uncover the beautiful galactic skies and learn about the mysteries beyond Earth's atmosphere.

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Publisher: ScreenRant
Date: 2022-09-14T13:00:13Z
Author: Emily De Vogele
Twitter: @screenrant
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It's a Planet: New Evidence of Baby Planet in the Making | Center for Astrophysics

Astronomers have developed a new technique to identify small planets hidden in protoplanetary disks.

Cambridge, MA – Astronomers agree that planets are born in protoplanetary disks — rings of dust and gas that surround young, newborn stars.

"Directly detecting young planets is very challenging and has so far only been successful in one or two cases," says Feng Long , a postdoctoral fellow at the Center for Astrophysics who led the new study.

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Why Does the Earth Have Continents? | Discover Magazine

The rest of the planets are almost entirely basalt or something close, but Earth. No, earth hides most of its basalt surface under deep oceans, instead letting its freak flag fly with continental rocks showing off to any passersby.

There is still a lot unknown about the formation of our continents. We're pretty sure that no other planet has the silica-rich continental masses that Earth possesses. Mars might have a little bit of what geologists call "evolved" rocks (in other words, more silica than basalt).

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Publisher: Discover Magazine
Twitter: @DiscoverMag
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