Browsing Tag
dr. becky
8 posts
Finding the Elusive Dark Matter With DESI
The Dark Energy Spectroscopic Instrument (DESI) has successfully mapped the positions of galaxies within 11 billion light years…
Is the “Crisis in Cosmology” Finally Solved?
The James Webb Space Telescope has recently put forward data from its observations that may put to rest…
Do Gravitational Waves “Interfere” With Each Other?
Gravitational waves are ripples in space caused by massive disturbances, as described by Einstein’s theory of general relativity.…
What Is the “Crisis In Cosmology?”
The Hubble constant, which represents the rate of expansion, is calculated using observations of nearby galaxies and the…
A Faraway Star was Observed to Have Gone Black Hole Back In 2009—Or Did It?
In 2009, a remarkable event occurred in the NGC 6946 galaxy when a star flared brightly, only to…
Dr. Becky Talks: The Upper Limit of Star Size
Stars, as we well know, are absolutely humongous—our own star, the Sun, can comfortably fit all of the…
How Do You Get Black Holes to Spin Fast?
Black holes seem like an immobile, immense entity out in space—but these massive gravitational behemoths do spin, and…
Did We Just Disprove Dark Matter?
The GAIA astrometric survey’s recent results reveal some curious bits of information that challenge what we currently accept…