What makes constellations?

Constellations are named after a Greek or Roman God. They were made to help sailors find their way. Now they are used to help more people find their way. In this world such help is very useful.

Sunday, July 16, 2023

Cosmic Circle

"A mere 1,200 light years away from Earth sits a pair of cosmic circles, the remains of an ancient death."

https://cosmosmagazine.com/space/andes-optical-telescope-snaps-rare-double-lobe-nebula/

Friday, July 14, 2023

Space Bus

"Engineers joined the two main components of NISAR – the spacecraft bus and the radar instrument payload – in an ISRO clean room in Bengaluru, India, in June."

https://www.jpl.nasa.gov/news/powerful-nasa-isro-earth-observing-satellite-coming-together-in-india

Friday, July 7, 2023

Rippling Universe

"The universe is continuously rippling with gravitational waves, a 15-year survey has reported."

https://www.astronomy.com/science/the-great-hum-scientists-finally-detect-continuous-gravitational-waves-rippling-across-space-time/

Wednesday, July 5, 2023

Sun's Collapse

"In a few billion years, our aging Sun will run out of hydrogen fuel in its core and begin to swell, eventually engulfing Mercury, Venus, and probably Earth itself."

https://www.astronomy.com/science/star-seen-swallowing-its-planet-whole/

Golden Age of Discovery

"We are living in a golden age of discovery when it comes to our understanding of the cosmos."

https://www.astronomy.com/science/astronomy-editor-david-j-eicher-to-speak-at-alcon-2023/

Mars

"Recently, I was invited to speak at a symposium organized by the Amsterdam Royal Palace Foundation, who, twice a year, brings in experts to discuss some big topic like the COVID pandemic or the future of work."

https://bigthink.com/hard-science/accidentally-killed-life-mars/

ESA

"The ESA (European Space Agency) Euclid spacecraft lifted off from Cape Canaveral Space Force Station in Florida at 11:12 a.m. EDT on Saturday, July 1, beginning its mission to study why the universe is expanding at an accelerating rate. Astronomers use the term “dark energy” in reference to the unknown cause of this accelerated expansion."https://www.jpl.nasa.gov/news/esas-euclid-mission-launches-to-explore-dark-universe?utm_source=iContact&utm_medium=email&utm_campaign=nasajpl&utm_content=euclid20230701

Wednesday, June 7, 2023

Webb Space Telescope

"A new Webb Space Telescope image of the bright, nearby star Fomalhaut reveals its planetary system with details never seen before, including nested concentric rings of dust."

https://webbtelescope.org/contents/news-releases/2023/news-2023-109

Black Hole Exploration

"New theoretical research by Michael Wondrak, Walter van Suijlekom and Heino Falcke of Radboud University has shown that Stephen Hawking was right about black holes, although not completely."

https://phys.org/news/2023-06-black-hole-evaporation-theoretical-stephen.html