A composite image of the Sun showing the hydrogen (left) and helium (center and right) in the low corona. The helium at depletion near the equatorial regions is evident. Credit: NASA
Helium is the second most abundant element in the universe after hydrogen. But scientists aren’t sure just how much there actually is in the Sun’s atmosphere, where it is hard to measure. Knowing the amount of helium in the solar atmosphere is important to understanding the origin and acceleration of the solar wind…
NASA Technology Enables Precision Landing and Hazard-Avoidance Without a Pilot – SciTechDaily
Some of the most interesting places to study in our solar system are found in the most inhospitable environments – but landing on any planetary body is already …
The New Shepard (NS) booster lands after this vehicle’s fifth flight during NS-11 May 2, 2019. Credit: Blue Origin
Some of the most interesting places to study in our solar system are found in the most inhospitable environments – but landing on any planetary body is already a risky proposition. With NASA planning robotic and crewed missions to new locations on the Moon and Mars, avoiding landing on the steep slope of a crater or in a boulder field is critical to helping ensure a safe touch down…
Physicists May Have The First Experimental Evidence of a New Type of Dark Boson – ScienceAlert
Two experiments hunting for a whisper of a particle that prevents whole galaxies from flying apart recently published some contradictory results. One came up em…
Two experiments hunting for a whisper of a particle that prevents whole galaxies from flying apart recently published some contradictory results. One came up empty handed, while the other gives us every reason to keep on searching.
Dark bosons are dark matter candidates based on force-carrying particles that don’t really pack much force.
Unlike the bosons we’re more familiar with, such as the photons that bind molecules and the gluons that hold atomic nuclei together, an exchange of dark boson…
Elon Musk’s SpaceX satellites clutter the skies, frustrating astronomers – New York Post
Look! Up in the sky! It’s a bird! It’s a plane! It’s hundreds of satellites cluttering up the galaxy. A plethora of massive internet satellites launched by eco-…
Look! Up in the sky! It’s a bird! It’s a plane! It’s hundreds of satellites cluttering up the galaxy.
A plethora of massive internet satellites launched by eco-friendly billionaire Elon Musk are swirling overhead and astronomers are trying mightily to figure out how to deal with the sun’s glaring reflection off those man-made orbiters.
“There’s almost no place in the sky that you won’t see a satellite going by,” the American Astronomical Society’s Rick Feinberg told The Post.
Already, the tra…
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