HS-ESS1-2
Construct an explanation of the Big Bang theory based on astronomical evidence of light spectra, motion of distant galaxies, and composition of matter in the universe.
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Tech
This high-tech sweeper is designed for super-clingy moon dust
An electron beam is the newest tool being developed to remove sticky and damaging lunar dust from surfaces.
By Jack J. Lee -
Physics
2020 Physics Nobel goes for delving into black holes
Although Einstein’s general theory of relative suggested black holes might exist, this year’s winner’s helped show they actually are out there.
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Space
Strange but true: White dwarfs shrink as they gain mass
Telescope observations of thousands of these stars now confirm a decades-old theory on how their masses relate to their waistline.
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Space
A weird cousin of our solar system is caught on camera
New photo reveals a cousin to our solar system. It’s star has a mass similar to the sun’s and is orbited by two gas giant planets.
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Physics
Could ripples in spacetime point to wormholes?
A new calculation reveals that strange gravitational waves detected by LIGO and Virgo could see if a black hole were falling into a hypothetical tunnel in spacetime.
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Space
Milky Way’s tidal forces are shredding a nearby star cluster
The nearest star cluster is being pulled apart, due largely to the tidal forces of our galaxy, the Milky Way. Bye bye, Hyades!
By Ken Croswell -
Space
Explainer: Stars and their families
Most pinpoints that light the night sky are raging infernos we call stars. As adults, many will create new elements that they later cast off into the cosmos.
By Ken Croswell -
Planets
Saturn’s moon Titan may host lots of dried lakes
Suspicious spots around the moon’s middle could be the beds of ancient lakes. If so, this might solve a 20-year-old mystery.
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Planets
Planets with hydrogen skies could harbor life
Microbes can live in a hydrogen atmosphere. This points to new space worlds that host alien life.
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Space
Rover finds ‘layer cake’ below ground on moon’s farside
China’s rover finds the moon’s farside is more rugged and cratered than the nearside. Now scientists want to know why.
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Space
Black hole mega-burp was truly explosive
Long, long ago, in a galaxy far, far away, a black hole blasted out 100 billion times as much energy as our sun ever will. One word for that: Wow!
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Space
This ‘Sombrero’ stole a big galaxy
The Sombrero Galaxy is an odd spiral galaxy that outshines all others within 35 million light-years of Earth. Its bright, iron-rich halo suggests it consumed one or more large galaxies.
By Ken Croswell