Monday, May 20, 2019

May 20 - Galaxy Close Encounter

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Hubble Space Telescope image of irregular galaxy NGC 4485. On the galaxy's right side, young blue stars and pink star-forming nebulas indicate active star formation. Meanwhile, on its left side, you can see hints of the galaxy's earlier spiral structure. Read more.

Close encounter sets galaxy ablaze with new stars

A cosmic collision in action. Read more about what happens when 2 galaxies sideswipe each other.
How some planets can survive death of their stars
A new "survival guide for exoplanets" outlines how different kinds of planets fare when their host star dies. It suggests the smallest rocky worlds are the most likely to escape annihilation. Read more.
Lush underwater forests … in the Arctic
Did you know that there are hidden underwater forests of large brown seaweeds (kelps) in the Arctic? As temperatures warm, the forests are expanding. Read more.
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Tonight and tomorrow … Moon, Antares, Jupiter
Look for Jupiter to rise about 4 minutes earlier daily, or half an hour earlier weekly. By June 10, Jupiter will be at opposition, rising at sunset, brightest for the year, out all night!  Read more

Spring versus winter

Alessandra Cailotto‎ took this photo of flowers peeking through the snow in northern Italy on May 7. She wrote: "Spring vs winter: 1-0."
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