halo
Lunar Gateway Will Maintain its Orbit With a 6 kW ion Engine
The ionic propulsion system that will allow the Lunar Gateway to orbit the Moon just got its first test, and…
The Milky Way is surrounded by a huge hot halo of gas
Our Milky Way galaxy isn't just a disk of stars and nebulae - it's surrounded by a cloud of hot,…
Halo Around a Pulsar could Explain Why We See Antimatter Coming from Space
Astronomers have been watching a nearby pulsar with a strange halo around it. That pulsar might answer a question that's…
Why Do We Sometimes See a Ring Around the Moon?
Have you ever seen a ring around the Moon in the sky and wondered what causes it? This is a…
Allergies? Must Be Pollen Corona Season Again
Don't be surprised if you look up in the Sun's direction and squint with itchy, watery eyes. You might be…
The Physics Behind “Interstellar’s” Visual Effects Was So Good, it Led to a Scientific Discovery
While he was working on the film Interstellar, executive producer Kip Thorne was tasked with creating the black hole that…
If Pigs Could Fly – A Quick Guide to Solar Halos and Other Curiosities
Call it a porcine occultation. It took nearly a year but I finally got help from the ornamental pig in…
Astronomers Discover Milky Way’s Hot Halo
Artist's illustration of a hot gas halo enveloping the Milky Way and Magellanic Clouds (NASA/CXC/M.Weiss; NASA/CXC/Ohio State/A.Gupta et al.) Our…