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Source channel @githubtrending · Post #14950 · Jul 12
#other#communityexchange#cybersecurity#ethical_hacking#hacktoberfest#learn This 90-day cybersecurity study plan helps you build strong skills step-by-step, starting from basics like networking and security principles, then moving to Linux, Python, traffic analysis, Git, ELK stack, cloud platforms, and ethical hacking. It includes daily tasks, videos, tutorials, and practice exercises designed for beginners and professionals alike, even without prior experience. By following this plan, you gain hands-on experience, prepare for certifications like CompTIA Network+ and Security+, and develop confidence in real-world cybersecurity tools and techniques. This structured approach makes learning manageable and effective, helping you start or advance your cybersecurity career. https://github.com/farhanashrafdev/90DaysOfCyberSecurity
Search: #pulsation
@cosmomyst · Post #164 · 08/21/2025, 12:11 AM
🪐 In the constellation Hydra, astronomers have found R Hydrae, a star that pulses in brightness over a period of about 385 days. This "Mira variable" expands and contracts like a cosmic heartbeat, changing size and light output as it nears the end of its life, giving scientists clues about the future fate of our own Sun. ✨ #stars⚡#hydra⚡#pulsation⚡#nasa⚡#galaxy⚡#astronomy⚡#universe⚡#cosmos⚡#space 👉subscribe Universe Mysteries
@cosmomyst · Post #113 · 08/10/2025, 08:11 PM
🪐 In the constellation Vela, the star system HD 74423 displays an unusual cosmic phenomenon: its shape is teardrop-like rather than round, caused by the powerful gravitational pull of a nearby red dwarf companion. This distortion leads to "heartbeat" pulsations—brightenings and dimmings in rhythm with the stars’ orbits—making HD 74423 the first known one-sided pulsating star in our galaxy. ✨ #Vela⚡#heartbeatstars⚡#pulsation⚡#nasa⚡#galaxy⚡#stars⚡#astronomy⚡#universe⚡#cosmos⚡#space 👉subscribe Universe Mysteries