North Star tagged posts

New View of North Star Reveals Spotted Surface

Image captured by the CHARA Array showing Polaris
CHARA Array false-color image of Polaris from April 2021 that reveals large bright and dark spots on the surface. Polaris appears about 600,000 times smaller than the Full Moon in the sky.

High-resolution images show large spots on the surface of Polaris. Researchers using Georgia State University’s Center for High Angular Resolution Astronomy (CHARA) Array have identified new details about the size and appearance of the North Star, also known as Polaris. The new research is published in The Astrophysical Journal.

Earth’s North Pole points to a direction in space marked by the North Star. Polaris is both a navigation aid and a remarkable star in its own right. It is the brightest member of a triple-star system and is a pulsating variable star...

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Artistic Space Odyssey to Broadcast People’s Messages to the Stars

Artistic space odyssey to broadcast people's messages to the stars

Messages from the earth will be beamed to the stars. Credit: Paul Quast

Messages from around the world are to be beamed into space at the speed of light as part of a cultural project to create a celestial time capsule. In autumn 2016, dispatches from the public will be converted into radio waves and broadcasted towards the North Star, Polaris, this autumn, reaching their destination in 434 years. The interstellar message in a bottle will comprise of people’s responses to a single question: how will our present environmental interactions shape the future?

A Simple Response to an Elemental Message is a collaboration between the University of Edinburgh, the Royal Observatory of Edinburgh, and the UK Astronomical Technology Centre (UKATC) along with other partners...

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