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welcome!
Hello everyone! Welcome to my blog! My name is Sydeny and I am a student who wants to bring STEM to you! On this blog, we will talk about stem in student life, such as the science behind cramming, brain fog, and even caffine and its effects on your brain! Please follow along if you are interested in anything and everything STEM. I truly appreciate it. The first post will come in about two weeks. Ill see you then!
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STAND UP FOR SCIENCE WITH US ON MARCH 7TH, 2025 WASHINGTON DC AND EVERY STATE CAPITOL
Because science is for everyone!
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TYPES OF GALAXIES, PART 3:
Elliptical Galaxies
The image shown is NGC 2865 captured by the Hubble Space Telescope, and is an elliptical galaxy located 100 million light-years away.
© ESA/Hubble & NASA
Elliptical galaxies have shapes that range from completely round to oval. They are less common than spiral galaxies.
Unlike spirals, elliptical galaxies usually contain little gas and dust and show very little organization or structure. The stars orbit around the core in random directions and are generally older than those in spiral galaxies since little of the gas needed to form new stars remains. Scientists think elliptical galaxies originate from collisions and mergers with spirals
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Happy belated #LGBTQSTEMDay! The @thescicommunity is a wonderful group of humans that I am thankful to have found. I have made friendships I would have never thought possible! Are you a scientist or science communicator who would like to join? Message @thescicommunity! -------------- The SciCommunity family celebrates and supports the full spectrum of scientists on the first ever #LGBTStemDay from @prideinstem ! This collage (thanks for making it, @paleoparadox!) represents just a few of the LGBT+ or ally SciCommunity members who support equality and fair treatment for #lgbt+ scientists. When everyone is included in STEM, we all benefit! 🏳️🌈🏳️🌈🏳️🌈 #communication #scicomm #science #pride #scienceforall #truediversity #scicomm #lgbtq #pride2018 #biinsci #rainbow #collage #scientists
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It takes our solar system about 230 million years to complete one orbit around the galactic center.
TYPES OF GALAXIES, PART 1:
What are galaxies? Scientists sometimes categorize galaxies based on their shapes and physical features. Other classifications organize galaxies by the activity in their central regions – powered by a supersized black hole – and the angle at which we view them.
What are active galaxies?
Around 10% of known galaxies are active, which means their centers appear more than 100 times brighter than the combined light of their stars. They can be spiral, elliptical, or irregular. The Milky Way is not currently an active galaxy, although it likely experienced a burst of activity in the past few million years. They think this happened due to nearby supermassive black holes that are hundreds of thousands to billions of times the mass of the sun.
Active galaxies can also be categorized by their brightness in radio wavelengths. Radio-loud galaxies typically emit from both the accretion disk and the jets. Radio-quiet galaxies tend to have little-to-no emission from jets. The observed luminosity is also thought to be another aspect of our viewing angle. Jets directed more toward our line of sight, viewed “down the barrel,” appear brighter and more variable than those viewed at wider angles.
Happy National Science Day! Science and technology for better healthcare. . .
