Mirach, a bright star in the constellation Andromeda, is often used by stargazers to locate the Andromeda Galaxy, the Triangulum Galaxy, and a galaxy known as Mirach’s Ghost (NGC 404). Source: https://earthsky.org/brightest-stars/mirach-guide-star-to-three-galaxies…
Tag: spiral
New survey finds that single burst of star formation created Milky Way’s central bulge
Like most spiral galaxies, the Milky Way has a roughly spherical collection of stars at its center called the bulge. How the bulge formed has been a long-standing mystery, with many studies suggesting that it built up over time through multiple bursts of star formation. Source: https://phys.org/news/2020-10-survey-star-formation-milky-central.html…
Alpheratz belongs to Andromeda, but is part of the Great Square
Alpheratz, the brightest star in the constellation Andromeda, can help you locate the Andromeda Galaxy, the closest large spiral galaxy to our Milky Way home galaxy. Source: https://earthsky.org/brightest-stars/alpheratz-belongs-to-andromeda-but-pegasus-can-claim-it…
Metal-poor globular cluster forces astronomers to rethink theories
The discovery of the most metal-poor globular cluster recorded to date has forced scientists to rethink how both galaxies and globular clusters form. Source: https://earthsky.org/space/metal-poor-globular-cluster-ext8-found-in-andromeda-galaxy…
UGC 1810: Wildly Interacting Galaxy from Hubble
What’s happening to this spiral galaxy? Source: https://apod.nasa.gov/apod/astropix.html…
Hubble sees swirls of forming stars
At around 60 million light-years from Earth, the Great Barred Spiral Galaxy, NGC 1365, is captured beautifully in this image by the NASA/ESA Hubble Space Telescope. Located in the constellation of Fornax (the Furnace), the blue and fiery orange swirls show us where stars have just formed and the dusty sites of future stellar nurseries. Source: https://phys.org/news/2020-10-hubble-swirls-stars.html…
NGC 5643: Nearby Spiral Galaxy from Hubble
What’s happening at the center of spiral galaxy NGC 5643? Source: https://apod.nasa.gov/apod/astropix.html…
What is a galaxy?
We live in a galaxy called the Milky Way. But there is so much more to know about these grand and glorious star islands in space! Click in here, and prepare to have your mind expanded. Source: https://earthsky.org/astronomy-essentials/definition-what-is-a-galaxy…
You Can Microwave This Notebook When It’s Full – Then Reuse It Again
A new product wants to upgrade the act of taking notes in a spiral-bound notebook — with the resuable “Rocketbook Wave Smart Notebook”: You can write on it using any Pilot Frixion pen, marker, or highlighter, and once you’re done, you can scan the notes, doodles, and drawings into the Rocketbook app to store them in a cloud. Used up all…
How planetary nebulae get their shapes
About 7.5 billion years from now, our sun will have converted most of its hydrogen fuel into helium through fusion, and then burned most of that helium into carbon and oxygen. It will have swollen to a size large enough to fill the solar system nearly to the current orbit of Mars, and lost almost half of its mass in winds….