The 20th anniversary of the Hubble Space Telescope has been marked by a new image showing a section of a 3 lightyear high gas plume 7,500 lightyears from Earth in the Carina nebula.
This article on scientificamerican.com has further details.
The image is a made up from a composite of images from numerous sensors which detect different frequencies of light (or electromagnetic radiation - of which part of the spectrum is detected by unassisted human sight as visible light).
Images from Hubble feature in the below video:
Periodical cicadas in the eastern United States emerge from the ground
every 13 or 17 years — both prime numbers, not by coincidence — because
their long, indivisible cycles make it nearly impossible for any predator
with a shorter life cycle to evolve to feed on them, in one of the most
mathematically elegant defenses in the natural world
-
In the spring of 2024, two enormous populations of periodical cicadas
emerged simultaneously from the soil across the eastern and midwestern
United State...
7 minutes ago
No comments:
Post a Comment