Friday, November 5, 2021

Found: The First Exoplanet Outside of our Milky Way

11/05/2021

NEWS & FEATURES

Found: The first exoplanet outside of our Milky Way
X-ray: NASA/CXC/SAO/R. DiStefano, et al.; Optical: NASA/ESA/STScI/Grendler; Illustration: NASA/CXC/M.Weiss

In a galaxy far, far away lies an exoplanet circling a binary system that contains a neutron star or black hole.


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How astronomers probe the Sun's explosive past 
NASA Goddard Space Flight Center

To learn about the Sun’s violent history — and to better understand the threat of powerful flares or coronal mass ejections — researchers deploy inventive techniques.

6" Mars Globe 
Snapshot: Hubble spies a galactic jack-o'-lantern 
NASA, ESA, and W. Keel (University of Alabama)

This cosmic gourd is carving its spot in the universe.

Space may help scientists finally pin down the lifetime of a neutron 
NASA/Ames

Scientists need to pin down the lifetime to better understand fundamental physics questions, like how the universe evolved.

Ask Astro: What happened to the Sun's original star cluster? 
NASA, ESA and Jesús Maíz Apellániz (Instituto de Astrofísica de Andalucía, Spain). Acknowledgement: Davide De Martin (ESA/Hubble)

What happened to the Sun’s original star cluster? Is it possible for new clusters to form from random stars being gravitationally attracted to each other?

OBSERVING

The sky this week
Giuseppe Donatiello (Flickr)

Your daily digest of celestial events coming soon to a sky near you.

PICTURE OF THE DAY

Second guessing
Douglas J. Struble from Taylor, Michigan

Sharpless 2-71 is an unusual planetary nebula in the constellation Aquila the Eagle. Astronomers assumed that Sh 2-71 formed when the star visible at the center of the nebula expelled its outer layers. They now think that a dimmer star not visible in this image was the one that created the expanding cloud.

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Scientist Pankaj

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