Friday, July 16, 2021

I've always wondered: why are the stars, planets and moons round, when comets and asteroids

Jonti Horner does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their academic appointment.

I'm puzzled as to why the planets, stars and moons are all round (when) other large and small objects such as asteroids and meteorites are irregular shapes?

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Publisher: The Conversation
Author: Jonti Horner
Twitter: @ConversationEDU
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Mars Venus Conjunction Meaning Explained As Photos Show Planets Cosying up in the Sky

Twitter users have posted photos of Mars and Venus appearing close together in the night sky after the two planets were in conjunction.

On Tuesday, Earth's two closest planetary neighbours nestled close to one another in the sky as the moon hovered nearby.

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Publisher: Newsweek
Date: 2021-07-14T07:14:28-04:00
Twitter: @newsweek
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The teen phase of young planets can tell us more about how they evolve

The terrible teens are a rite of passage that usually involves tears, awkwardness, rebellion, and usually all of the above, but it isn't limited to humans — planets also go through it.

Teen angst goes beyond high-schoolers who could have come straight out of a John Hughes flick. Planets also have a phase of unpredictable outbursts before they finally grow up.

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Publisher: SYFY WIRE
Date: 2021-07-16T11:29:14-04:00
Author: Elizabeth Rayne
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Microlensing reveals free-floating planets alone in deep space – Physics World

In a new blind survey of gravitational microlensing, an international team of astronomers has detected likely evidence for four Earth-sized planets wandering freely through interstellar space.

In some star systems, astronomers predict that the strong gravitational tug of large planets could have thrown their smaller planetary neighbours out into interstellar space.

Publisher: Physics World
Date: 2021-07-14T13:00:50 00:00
Twitter: @PhysicsWorld
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Students Study What Makes Planets Habitable at UW's Teton STEM Academy

LARAMIE, Wyo. (Release) - Twenty-five high school students from across Wyoming and one from Colorado worked in teams to determine whether planets near different-colored stars could actually be habitable.

The activity was part of the Teton STEM Academy taking place through July 18 on the University of Wyoming campus.

Publisher: https://www.wyomingnewsnow.tv
Twitter: @kgwntv
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The Ghosts of Planets Past: Determining the Composition of Planetary Remnants | astrobites

This guest post was written by Isabella Trierweiler,  a 3rd year PhD student at UCLA studying exoplanets and planet formation who grew up in Alabama and completed an undergraduate degree at Yale. Outside of astronomy, Isabella enjoys baking, attempting to grow lemon trees, and knitting

Authors: A. Bonsor, P. J. Carter, M. Hollands, B. T. Gänsicke, Z. Leinhardt, J. H. D. Harrison 

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Publisher: astrobites
Date: 2021-07-13T08:30:41-04:00
Author: Guest
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'Rewriting history books': New Milford native learns how planets work as engineer for NASA

NEW MILFORD — Kyle Cloutier said she has great memories of volunteering at the John J. McCarthy Observatory, an astronomical observatory on the campus of New Milford High School.

Cloutier’s love of space and science grew as she got older and now, at 28, she is a systems engineer for NASA's Jet Propulsion Laboratory in Pasadena, Calif. In that role, she’s deeply involved with a variety of spacecrafts and missions that are helping to further science.

Publisher: New Milford Spectrum
Date: 2021-07-15 12:00:00
Author: By Sandra Diamond Fox
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