HS-ESS1-4
Use mathematical or computational representations to predict the motion of orbiting objects in the solar system.
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Planets
Hot, hot planet sets sizzling new record
Astronomers have discovered an odd new exoplanet. Called KELT 9b, is the hottest non-star known.
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Space
How the solar system’s tail disappeared
A bubble envelops the planets and other material in the solar system. New data show it does not have a long tail but is round.
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Physics
After 30 years, this supernova is still sharing secrets
It’s been 30 years since astronomers first witnessed the stellar explosion known as SN 1987A. Today, researchers are still learning from this cataclysmic phenomenon.
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Physics
Eclipses come in many forms
Eclipses are one of nature’s most awesome spectacles, and scientists have learned a lot by observing them and related celestial alignments — occultations and transits.
By Sid Perkins -
Planets
How Earth got its moon
How did our moon form? Scientists are still debating the answer. It may be the result of some one big impact with Earth — or perhaps many small ones.
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Science & Society
Cool Jobs: Reaching out to E.T. is a numbers game
From figuring out if we’re alone in the universe, to writing messages to aliens, scientists use math in many ways in their search for extraterrestrial intelligence.
By Ilima Loomis -
Planets
Scientists Say: Dwarf planet
Dwarf planets are distinct from the full-size models. A little too small, they also have a lot of space stuff filling their path around the sun.
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Planets
New solar system found to have 7 Earth-size planets
A neighboring star system hosts seven Earth-like planets. Especially surprising: Three of those planets appear to reside in a zone that could support life as we know it.
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Space
Cool Jobs: Probing Pluto
The New Horizons mission captivated the world as it flew by Pluto. Here are some of the people who made that possible.
By Ron Cowen -
Space
Scientists Say: Comet
Comets are small solar system objects. When they pass close to their sun, their melting gases and water give them a tail.
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Scientists consider how to visit the closest exoplanet
Even at only a little more than four light-years away, a trip to our closest exo-world could take some tens of thousands of years — unless we’re willing to settle for virtual visits.
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Planets
Jupiter’s Great Red Spot is really, really hot
The Great Red Spot, a storm churning on Jupiter for at least 150 years, may be helping to keep the planet warm, a new study finds.