Tuesday, October 9, 2018

Oct 9 - Whale Songs and Calls

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Humpback whales feeding off the coast of southeastern Alaska. The new study of humpbacks focused on whales in this region. Image via NOAA.

Good morning!
 

Whale songs evolve, but calls persist for generations   

Humpback whales have ever-changing and evolving songs. But a new study of whales in Alaska shows their repertoire of calls - including growls, trumpets, and ahoogas - remains more stable. Why? Read more.

Watch 3 whales dive, then leap

Whale watchers on a cruise out of Nova Scotia got a thrill when they saw 3 whales breach the surface, one after the other. "We did not drive them," the cruise director commented. See the video.

Hubble is in safe mode. Science operations suspended

The Hubble Space Telescope has been in safe mode since last Friday evening, following the failure of one of the gyros that help stabilize it. NASA is analyzing the problem and hopes to resume operations soon. Read more.

This photo of the Hubble Space Telescope was taken on the 5th servicing mission to the observatory in 2009. Image via NASA.

SHOP THE EARTHSKY STORE TODAY!


Your support means the world to us and allows us to keep going. At our store you'll find astronomy tools, EarthSky tees, hats, cool gadgets and even toys! Click here to shop

Michael heading for Florida panhandle

The early morning update on Tuesday shows Michael as a category 1 hurricane, still forecast to reach major category 3 status before landfall Wednesday on the Florida panhandle. This image shows Michael from GOES16 satellite data. The gif ends at Tuesday morning at 10:00 UTC (6 a.m. EDT; translate UTC to your time). Image via Weathernerds.org.

Watch for false dawn or dusk

Yuri Beletsky wrote from Chile: "Here is the view of the Magellan telescopes of Carnegie Las Campanas Observatory under the Milky Way. The bright cone of zodiacal light is visible just behind the telescopes ... I hope you'll enjoy the view!" Wondering what those planets are? Check out EarthSky's planet guide.
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