Physics
Let’s learn about ‘ghost particles’
Ghostly particles called neutrinos are so lightweight that for a long time, they were thought to have no mass at all.
HS-ESS1-1
Develop a model based on evidence to illustrate the life span of the sun and the role of nuclear fusion in the sun's core to release energy that eventually reaches Earth in the form of radiation.
More Stories in HS-ESS1-1
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SpaceWe finally have an image of the black hole at the heart of our galaxy
New observations from the Event Horizon Telescope reveal the chaotic region around the Milky Way’s central black hole, Sagittarius A*, in extreme detail.
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ClimateNuevo informe de la ONU sobre el clima: no hay tiempo que perder
En el informe de la ONU se vinculan directamente las temperaturas extremas, lluvias e incendios en todo el mundo con el clima cambiante de la Tierra.
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SpaceWild art? No, it’s a radio image of the heart of our Milky Way
Eyelash-like radio filaments accent the brightest feature in this image — a supermassive black hole.
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SpaceScientists Say: Solar wind
This is a powerful gust of charged particles that flows out from the sun through the solar system.
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SpaceExplainer: Calculating a star’s age
Scientists can figure out a star's mass or composition pretty easily. Determining how old that star is, however, is a lot harder.
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Climate
New UN climate report finds no time for denial or delay
It links extreme weather around the globe to Earth’s changing climate.
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SpaceMeet ‘Pi’ — a new Earth-sized planet
Searching through data from NASA’s K2 Mission, researchers found a new planet. Some call it K2-315b, others smile and refer to it as “Pi Earth.”
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Close-up of the sun reveals ‘campfires’
Solar Orbiter’s first images are in. The spacecraft’s pics show tiny, never-before-seen flares across the sun’s surface.
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SpaceMilky 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!