Hacker News·5 min read·hard
Detect Dark Matter's Mark from Your Backyard
B
Brajeshwar
✦AI Summary
An amateur astronomer describes building a DIY radio telescope using household items to detect hydrogen emissions in space. These observations can help enthusiasts understand the distribution of dark matter in the Milky Way.
If you’re wondering what dark matter is, you’re not alone. Astronomers don’t know. But they’ve determined that this invisible material must be far more abundant than the stars and nebulas that they can see. They’ve surmised as much from observing the gravitational effects of all this perplexing dark stuff, launching a decades-long campaign to understand its nature.
sciencetechnology
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