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Category Archives: Astrophysics
Astrophysicist reacts to funny space memes! #2
Another meme review for you since you all seem to love them so much! […]
How NASA Plans to Save Earth from Asteroids
The Double Asteroid Redirection Test is NASA’s first test of a “kinetic impactor” that could one day be used to save Earth from an incoming asteroid. Andy Rivkin, an asteroid expert with The Johns Hopkins University Applied Physics Laboratory, explains … Continue reading
An Interesting Explanation of Dark Energy and Hubble Tension
Hello and welcome! My name is Anton and in this video, we will talk about the mysteries of dark energy and a potential explanation of the phenomenon known as Hubble tension. Paper: https://journals.aps.org/prd/abstract… Cosmological constant and images/formulae used: https://en.wikipedia.org/wiki/Dark_en…
Space Hurricanes Exist And One Was Just Found Above Earth
Hello and welcome! My name is Anton and in this video, we will talk about a discovery of a new phenomenon known as space hurricane. Paper: https://www.nature.com/articles/s4146… Video credit, NASA: https://www.youtube.com/watch?v=o4FSg…
Cygnus X-1’s Stellar-Mass Black Hole is More Massive than Astronomers Thought | Sci News
A black hole in the Cygnus X-1 binary system is so massive that it challenges current stellar evolution models. Discovered in 1964, Cygnus X-1 is an X-ray binary system located in the constellation Cygnus. The primary star, HD 226868, is … Continue reading
Gravitational Wave Background Discovered?
It was pretty impressive when LIGO detected gravitational waves from colliding black holes. Well we’ve just taken that to the next level with a galaxy-spanning gravitational wave detector that may have detected a foundational element of space itself – the … Continue reading
Evidence That Planets Transform From One Type to Another Over Time
Hello and welcome! My name is Anton and in this video, we will talk about a new study that suggests planet can shrink and change types. Paper: https://arxiv.org/pdf/2005.14671.pdf Press release: http://www.ifa.hawaii.edu/info/press-… Image credit, Wikipedia: https://upload.wikimedia.org/wikipedi…
The Dark Sky Paradox – A Never-Ending Universe
[…] *Creator* Jade Tan-Holmes *Editing and Motion Graphics* Hamish Gilbert and Junior *Music* https://www.epidemicsound.com/ *Sources/Further Reading* Paradox: The Nine Greatest Enigmas in Physics – Jim Al-Khalili http://astronomy.nmsu.edu/nicole/teac… https://en.wikipedia.org/wiki/Olbers%…
How did the universe begin?
In this video I go through the different theories which physicists have for how the universe began. To learn more about inflation and the inflaton field, this is an excellent starting point: https://arxiv.org/abs/0907.5424 Here is more about the Ekpyrotic Universe: … Continue reading
Astronomers Get Their Wish, and the Hubble Crisis Gets Worse
Natalie Wolchover Senior Writer/Editor The Gaia telescope gauges the distances to stars by measuring their parallax, or apparent shift over the course of a year. Closer stars have a larger parallax. We don’t know why the universe appears to … Continue reading
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