Friday, September 16, 2022

How Will We Recognize Life Elsewhere in the Cosmos?

09/16/2022

NEWS & FEATURES

How will we recognize life elsewhere in the cosmos?
NASA/JPL-Caltech

With scientists finding new and bizarre exoplanets each year, searching for life as we know it might be too narrow a parameter.

Remembering Frank Drake, creator of the Drake equation and Project Ozma
Seth Shostak

A trailblazer in the search for life beyond our planet, Drake, who died Sept. 2 at the age of 92, also fostered young stars on Earth.

JWST photographs universe's most distant known star
NASA/ESA/CSA/STScI

Earendel started shining just 900 million years after the Big Bang, and it is only observable because of an extraordinary cosmic coincidence.

SPACE AND BEYOND BOX
Robert Knudsen, White House, John F. Kennedy/Presidential Library and Museum

Sixty years ago this month, John F. Kennedy gave a rousing speech that would set the stage for NASA’s Apollo missions.

Ask Astro: When does a star's size violate the laws of physics?
Oona Räisänen

Is there a limit to how large a star can get before it collapses under its own weight?

Your Guide to the 2024 Eclipse┬а

OBSERVING

The sky this week
fra298 (Flickr)

Your daily digest of celestial events coming soon to a sky near you. Updated Friday morning at 9 A.M. Central.

PICTURE OF THE DAY

Ball of fire
Rob Lyons from Vancouver, British Columbia

Solar cycle 25 continues to heat up, as evidenced by this view of the Sun through a Hydrogen-alpha filter. Dark, active sunspot regions are visible, as are bright prominences protruding from its edges.

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