In two separate studies using NASA’s upcoming James Webb Space Telescope, a team of astronomers will observe dwarf galaxy companions to the Milky Way and the nearby Andromeda galaxy. Studying these small companions will help scientists learn about galaxy formation and the properties of dark matter, a mysterious substance thought to account for approximately 85% of the matter in the universe….
Tag: Andromeda
Algol is the Demon Star
What’s the scariest star in all the heavens? Around Halloween, look for Algol – a star named for a demon! How to see it in your sky. Source: https://earthsky.org/brightest-stars/algol-the-demon-star…
Andromeda before Photoshop
What does the Andromeda galaxy really look like? Source: https://apod.nasa.gov/apod/astropix.html…
The violent history of Andromeda, the big galaxy next door
“The Milky Way is on a collision course with Andromeda in about 4 billion years. So knowing what kind of a monster our galaxy is up against is useful in finding out the Milky Way’s ultimate fate.” Source: https://earthsky.org/space/andromeda-galaxy-history-milky-way-collision…