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All posts by mperera

Problems of Transonic Flight and Advances in the Field

Written by: Maneth Perera Many commercial airliners generally go at speeds significantly below the speed of sound. Meanwhile, many fighter jets and other military craft fly at speeds significantly above the speed of sound. However, very few aircraft choose to go near the speed of

BreakBRDs and Their Place in Galactic Studies

Written by: Maneth Perera In 1995, the Hubble Space Telescope took the first Deep Field images. Many astronomers doubted its ability to look for new space objects; to prove them wrong, NASA researchers pointed the telescope at the most barren, darkest part of the night

Hidden Voids: The Timescape Model of Our Universe

Written by: Maneth Perera   Everyday, new evidence regarding the structure of our universe is uncovered, leading to researchers revising mathematical models over decades to perfectly describe their observations. The widely accepted foundational model of our universe is called the Lambda Cold Dark Matter (CDM)

The Elephant’s Foot of Chernobyl

Written by: Maneth Perera   The Chernobyl Disaster is one of the worst nuclear disasters in human history. Around 160,000 km2 around the nuclear plant were affected, and large portions of Russia and Ukraine were rendered inhabitable for life. We see effects trickling down to

Hidden Matter: The Lambda CDM Model of Our Universe

Written by: Maneth Perera The vast amounts of empty space between stars may not be so empty after all. Dark matter is a theorized invisible substance that fills in these gaps, and it’s discussed extensively in the Lambda Cold Dark Matter Model (ΛCDM for short)