Saturday, October 19, 2019

Oct 18 - Top Stories This Week

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The Hubble Space Telescope captured this image of the 2nd known interstellar object – confirmed as a comet by earthly astronomers and named 2I/Borisov – on October 12, when the object was 260 million miles (420 million km) away. This object is believed to have arrived here from another solar system elsewhere in our galaxy. Image via NASA/ESA/D. Jewitt/SpaceTelescope.org.
Update on the 2nd interstellar visitor
As it sweeps through our neighborhood of space, astronomers are rushing to study it. Astronomers in Poland just published the 1st peer-reviewed paper about it. Although comet 2I/Borisov appears to be an outcast from another star system, its properties are “surprisingly familiar,” these astronomers said. Read more.
Researchers investigate dramatic melt of glaciers in Peru
Glacier loss in the Peruvian Andes is happening particularly rapidly. Read more.
Venus from now to next June
Click in for Northern and Southern Hemisphere views of Venus - the brightest planet - from October 2019 to June 2020. Read more.
More top stories

All you need to know: Orionid meteor shower

Spacecraft spies river relic on Mars

While still in the womb, humans have extra lizard-like muscles in their hands

Look for Sirius, sky’s brightest star

New telescope to 'see inside' hot Jupiter exoplanets
EarthSky lunar calendars are back in stock

We're guaranteed to sell out, get one while you can! Your support means the world to us and allows us to keep going. Purchase here.
Will you see Venus and Mercury after sunset?
They're easier to see - in the west after sunset - from Earth's Southern Hemisphere right now. But, if you live north of the equator, give them a try as well. No matter where you are, Venus will appear surprisingly bright for being so low in the sky. Charts and more here.
Spiral galaxy in profile
Here's a Hubble Telescope view of a spiral galaxy oriented sideways. The dust and spiral arms of spiral galaxies, like our own Milky Way, appear flat when viewed edge-on. This galaxy, called NGC 3717, is located about 60 million light-years away in the direction of our constellation Hydra the Water Snake. Image via ESA.
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