Wednesday, August 12, 2020

Does Mars Get Too Much Attention? - The Atlantic

What does Byrne, a planetary scientist at North Carolina State University, have against the red planet? Nothing, he told me. But everyone else loves Mars too, and maybe a little too much.

"One of the really embarrassing things is that we don't really know what the ice giants are made of," Francis Nimmo, a professor of earth and planetary sciences at UC Santa Cruz, told me. "Everybody calls them ice giants, but we don't actually know that that's true." Ice is certainly one ingredient, Nimmo said, but beyond that, scientists can only guess.

Publisher: The Atlantic
Date: 2020-08-11T13:25:00-04:00
Author: Marina Koren
Twitter: @theatlantic
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Other things to check out:

Planet Exceeds Business Targets, Advancing Through 2020 with Momentum

In March, as we shifted operations and people to home offices and the economy seized up, we didn't know what to expect in the second quarter of 2020 (Q2). For these reasons, we're incredibly proud to share that Q2 was one of our best quarters ever, and we beat our targets. We doubled the amount of new business booked in the quarter compared to the same period a year ago.

Planet is focused on finishing 2020 strong, making this our best year yet. We'll be hosting our second annual user conference, Planet Explore , in October, continuing our work with journalists , researchers and academia, and launching more high and medium resolution satellites on multiple rockets. You can expect to see more product enhancements from us that help users capitalize on our capabilities and data now.

Twitter: @planetlabs
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Discovery Alert: See the Image – 2 Planets Orbit a Sun-like Star – Exoplanet Exploration: Planets

A direct image of a multi-planet system around a Sun-like star. The planets, TYC 8998-760-1 b and c, are visible middle and lower right. Image credit: ESO/Bohn et al.

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The discovery: This hot, very large planet is the second to be directly imaged – that is, pixels of light captured by telescope from the planet itself – as it orbits a Sun-like star some 300 light-years away. An international team of scientists published its discovery of the star's first directly imaged companion in February 2020.

Publisher: Exoplanet Exploration: Planets Beyond our Solar System
Date: 2020-07-23 12:18:07 -0700
Author: By Pat Brennan
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NASA's TESS Completes Primary Mission | NASA
Publisher: NASA
Twitter: @11348282
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And here's another article:

Planetary alignment? Increase in volcanoes? | Earth | EarthSky

The book called “The Jupiter Effect” suggested an alignment of planets in 1982 would cause earthly catastrophes, including a great earthquake on California’s San Andreas Fault. There’s another planetary alignment, of sorts, going on now. Will it cause volcanic eruptions? Charts, and info, from Guy Ottewell.

View larger . | In this space view, from a distance of 6 astronomical units (sun-Earth distances) from the sun – at latitude 15 degrees north of the ecliptic plane and longitude 120 degrees – the courses of the planets are shown for the month of July 2020. There are sightlines to Uranus and Neptune because they are in a different direction. Chart via Guy Ottewell’s blog .

Publisher: EarthSky
Date: 2020-07-22T06:30:49-05:00
Author: Guy Ottewell
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Ceres is an ocean world with salty water under the surface, NASA mission finds - CNN

(CNN) Ceres is a dwarf planet and the largest known object in the asteroid belt between Mars and Jupiter. And now we know it may be an ocean world with intriguing geologic activity taking place on and just below its surface, according to new research.

Publisher: CNN
Date: 2020-08-11T18:31:54Z
Author: Ashley Strickland CNN
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A Strange Planet has been Found that's Smaller than Neptune But 50% More Massive - Universe

Astronomers have found another strange exoplanet in a distant solar system. This one’s an oddball because its size is intermediate between Earth and Neptune, yet it’s 50% more massive than Neptune.

Astronomers have found what they call “puff planets” in other Solar Systems. Those are planets that are a few times more massive than Earth, but with radii much larger than Neptune’s. But this planet is the opposite of that: it’s much more massive than Neptune, but it also has a much smaller radius. Super-dense, not super-puffy.

Publisher: Universe Today
Date: 2020-08-06T20:47:10-04:00
Author: https www facebook com evan gough 3
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I bet you've never seen a pink planet before, but it exists – BGR

With new exoplanet discoveries happening at a fast and furious pace for years now, it takes something pretty special to warrant a showcase by NASA. The gas giant known as GJ 504b is one such planet, and it’s most definitely worthy of attention thanks to what NASA says is a gorgeous, pink appearance.

As NASA explains in a new blog post , the gas giant is roughly the same size as Jupiter, but it’s several times more massive. However, it’s still the lowest-mass planet ever directly imaged orbiting a star like our own Sun. The fact that it’s a deep shade of pink is due to its relatively recent formation.

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Publisher: BGR
Date: 2020-08-12T03:16:20 00:00
Author: Mike Wehner
Twitter: @BGR
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