Galaxy Merger Discovery

Hey Space Placers!

Here is another discovery about galaxies and their formation.

The new research shows how galaxies like our own Milky Way Galaxy, a spiral/disk galaxy can merge with another galaxy and produce a disk galaxy in the process. Previously astronomers thought that such mergers would lead to the formation of an elliptical galaxy - that is one without spiral arms.

Sky Guy in VA

Comments

Post a Comment

Popular posts from this blog

NORTHERN LIGHTS MAY BE VISIBLE TONIGHT

Image
 Hey Space Placers AND AURORA CHASERS! OCTOBER 10, 2024 AURORA OVER CENTRAL VIRGINIA TAKEN WITH SMARTPHONE Greg Redfern The Sun has unleashed a solar event that impacted Earth yesterday  https://www.swpc.noaa.gov/news/cme-passage-continues-today-16-apr-2025  and has intensified even more today. Earth is experiencing a Level G3 Geomagnetic Storm https://www.swpc.noaa.gov/news/cme-passage-continues-today-16-apr-2025     today that will produce the Northern Lights (Aurora) tonight after it gets dark. It is recommended that Aurora chasers check the latest Aurora forecast at the National Oceanic and Atmospheric Administration’s (NOAA) Space Weather Prediction Center Aurora Forecast Webpage  https://www.swpc.noaa.gov/communities/aurora-dashboard-experimental and get outside after dark equipped with their Smartphones and/or cameras. You will need a clear view of the northern horizon that is hopefully free of bright lights. Try looking with your eyes to see if Aur...
Read more

Humanity Is Becoming Part of the Geological Record

Hey Space Placers! According to geologists we are living in the Holocene epoch. But due to humanity's interaction with Earth's biophysical system there is the informal declaration that we are in the "Anthropocene" Era representing the latter half of the 18th Century to present day. Human activity is starting to be seen in the geologic record, from lead, methane and PLASTIC, yes plastic - deposits in the rock layers. Take a moment to read this enlightening article . You'll be glad you did. Sky Guy in VA
Read more

Why “city-killer” asteroid YR4’s impact probability keeps increasing

Image
 Hey, Space Placers! If a massive asteroid, similar in size to 2024 YR4 or the body that created the Tunguska Event, were to stream through our atmosphere and collide with our planet, it could potentially level an entire city, causing trillions of dollars worth of damage and killing hundreds of thousands or more . Credit: PRUSSIA ART / Adobe Stock Here is an EXCELLENT - AND DETAILED - article on asteroid 2024 YR4 by my friend Ethan Siegel. Stay tuned! Sky Guy in VA
Read more