MS-ESS1-3
Analyze and interpret data to determine scale properties of objects in the solar system.
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SpaceLooking for aliens from the far side of the moon [COMIC]
Earth’s noise and light pollution can make it hard to detect signs of life on other planets. The solution? Telescopes that use the moon as a shield.
By Matthew R. Francis and Maki Naro -
SpaceThis astronomer searches for alien chemistry and tech
At the SETI Institute, Chenoa Tremblay uses radio telescopes to look for molecules and emissions given off by alien technology.
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SpaceA new dwarf planet may skirt the edge of our solar system
For the distant object, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical “Planet Nine.”
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SpaceMegastars shredded by black holes offer new type of cosmic explosion
Called extreme nuclear transients, these events are 30 to 1,000 times as bright as supernovas — and their glow may persist for a year or more.
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SpaceA rogue black hole is on the loose in our galaxy
Astronomers now agree there’s a lone black hole wandering around the Milky Way — the first solitary black hole ever detected.
By Ken Croswell -
PlanetsPerseverance took the first picture of a visible aurora on Mars
A faint yet visible aurora has been spotted on Mars. It’s the first such light show seen from another planet's surface.
By Nikk Ogasa -
SpaceA passing star could fling Earth out of orbit — or into the sun
Computer models show that a star's tug could send Mercury, Venus or Mars crashing into Earth — or let Jupiter eject our world from the solar system.
By Ken Croswell -
SpaceScientists Say: Quasi-satellite
Unlike a true satellite, these tagalongs orbit outside a planet’s primary sphere of gravitational control.
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SpaceScientists Say: Interstellar medium
Radiant energy and primordial space dust span the vast reaches between star systems.
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PlanetsA distant crumbling planet spills its guts
Based on the light being emitted by its shed minerals, astronomers can for the first time determine the internal composition of an exoplanet.
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PlanetsSo many wondrous moons — just a spaceship ride away
Scientists are studying extraterrestrial moons for clues to how planets form, how life began — and whether there’s life out there right now.
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SpaceThis zombie star’s spiky filaments are baffling astronomers
The star's odd tendrils were somehow formed by a supernova that skywatchers saw way back in 1181.