June 10 - Giant Dinosaurs, Tiny Tardigrades

June 10 Giant Dinosaurs, Tiny Tardigrades by:

Artist’s impression of Australotitan. Image via Vlad Konstantinov, Scott Hocknull, Eromanga/ Natural History Museum/ The Conversation.

Meet Australotitan: Australia's largest dinosaur yet discovered Australotitan - or the “southern titan” - a plant-eating dinosaur of the family known as titanosaurs, likely lived between 92-96 million years ago, and is the largest dinosaur species yet found in Australia. Australotitan was as long as 2 buses and weighed the equivalent of 1,400 kangaroos. Read more. Why NASA sent water bears into space A new experiment aboard the International Space Station is studying tardigrades - aka water bears - to better understand how the tough microscopic creatures are able to tolerate extreme environments, including the one astronauts experience in space. Scientists say the findings could help guide research into protecting humans from the stresses of long-duration space travel. Watch a video. China prepares for 1st crewed mission to its space station China is getting ready to launch 3 taikonauts - Chinese astronauts - into low Earth orbit. The mission is called Shenzhou 12, and will be China’s 1st crewed mission to the Tiangong space station. There’s been no word of an official launch date. However, it’s likely to be sometime this month. Read more.

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Circumpolar stars never rise or set Ken Christison captured these glorious star trails around Polaris, the North Star. Stars that circle Polaris throughout the night are called circumpolar stars. The closer you are to either of Earth's poles, the more circumpolar stars you see. Circumpolar stars neither rise nor set, but stay up at all hours of the day, every day of the year. Even when you can't see them - when the sun is out and it's daytime - these stars are up there, circling endlessly around the sky's north or south celestial pole. Read more.

Circumhorizon arc in Philly View at EarthSky Community Photos. | Karl Diefenderfer in Philadelphia, Pennsylvania, captured this photo of a circumhorizon arc on June 9, 2021. Karl wrote: "Very iridescent clouds this afternoon in the skies above Philly." These colorful clouds are a circumhorizon arc, which can form parallel to the horizon when the sun is high in the sky. Thanks, Karl! Submit your photo to EarthSky here! Subscribe & Support Did a friend forward EarthSkyNews to you? Click here to get your own subscription. Want to help support EarthSky? Forward this email to a friend. Share our content via your social media. Consider a donation. Go shopping at the EarthSky Store. Thank you for your support!

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