Sunday, March 1, 2020

Astronomers spot hundreds of baby stars and planet-forming disks | Space

Astronomers have imaged more than 300 newborn stars, revealing new clues about the early stages of star formation and the birth of planets.

In the new research, astronomers using the Karl G. Jansky Very Large Array (VLA) and the Atacama Large Millimeter/submillimeter Array (ALMA) studied hundreds of young stars surrounded by rings of dust and gas. These stellar infants lie in a dense star-forming region known as the Orion Molecular Cloud Complex.

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Publisher: Space.com
Date: 2020-03-01T14:08:55 00:00
Author: https www facebook com spacecom
Twitter: @SPACEdotcom
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In case you are keeping track:

UBC astronomy student finds 17 new possible planets, 1 may have water | CBC News

Kunimoto scours space for undiscovered planets. And she's just uncovered 17 new possible ones, including a potentially habitable, Earth-sized world.

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Her findings are still considered planet candidates, meaning they need to go through additional verification to be considered confirmed planets, which takes more time and research.

Kunimoto, who is working on her PhD in the Department of Physics and Astronomy at UBC, combs through data gathered by NASA's Kepler mission which surveyed the Milky Way galaxy between 2009 and 2013.

Publisher: CBC
Twitter: @cbc
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Mark the planets to know your lucky colour this Holi | Allahabad News - Times of India
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Publisher: The Times of India
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New Horizons spacecraft 'alters theory of planet formation' - BBC News

Scientists say they have "decisively" overturned the prevailing theory for how planets in our Solar System formed.

New results suggest the process was less catastrophic - with matter gently clumping together instead.

The study appears in Science journal and has been presented at the American Association for the Advancement of Science meeting in Seattle.

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The claim arises from detailed study of an object in the outer reaches of the Solar System. Named Arrokoth, the object is more than six billion km from the Sun in a region called the Kuiper belt. It is a pristine remnant of planet formation in action as the Solar System emerged 4.6 billion years ago, with two bodies combining to form a larger one.

Publisher: BBC News
Author: https www facebook com bbcnews
Twitter: @BBCWorld
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Quite a lot has been going on:

How many planets are there in the universe? | Astronomy.com
Publisher: Astronomy.com
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NASA's InSight lander has detected over 450 "marsquakes" on the red planet

(CBS News) - The first year of data from NASA's InSight lander is officially here, and it's revealing some surprising findings about Mars. The space agency announced Monday that hundreds of "marsquakes" have been detected on the red planet, providing potential insight into its inner workings.

InSight is the first mission specifically dedicated to uncovering the secrets beneath Mars' surface. It landed on the planet in November 2018 and detected its first quake in April; by the end of 2019, it was detecting around two seismic signals a day.

Publisher: https://www.wbtv.com
Date: 2020-03-01T05:08:58.404Z
Author: SOPHIE LEWIS CBS News
Twitter: @WBTV_News
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How Newborn Stars Prepare for the Birth of Planets | NSF - National Science Foundation

An international team of astronomers used two of the most powerful radio telescopes in the world to create more than three hundred images of planet-forming disks around very young stars in the Orion Clouds. These images reveal new details about the birthplaces of planets and the earliest stages of star formation.

Astronomers want to know exactly when disks start to form and what they look like. But young stars are very faint, and there are dense clouds of dust and gas surrounding them in stellar nurseries. Only highly sensitive radio telescope arrays can spot the tiny disks around these infant stars amid the densely packed material in these clouds.

Date: 02/26/2020
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