科学与环境
A mysterious star system just 16 light-years away may be hiding habitable planets
来源: All Top News -- ScienceDaily · 发布于
Astronomers have solved a 170-year-old planetary mystery in a nearby two-star system, discovering that a mysterious wobble was caused by stellar activity rather than a giant planet. Although Jupiter-sized worlds have been ruled out in key regions, smaller, potentially habitable p
Astronomers have solved a 170-year-old planetary mystery in a nearby two-star system, discovering that a mysterious wobble was caused by stellar activity rather than a giant planet. Although Jupiter-sized worlds have been ruled out in key regions, smaller, potentially habitable planets could still be waiting to be discovered just 16 light-years from Earth.
相关报道
Meteors don't just burn up. What really happens is far more violent
Scientists have uncovered seven surprising stages that space rocks go through as they hurtle toward Earth, revealing that melting and violent fragmentation, rather than simple evaporation, determine their fate. The discovery could help explain why meteorites scatter across the gr
All Top News -- ScienceDaily ·
Scientists discover a hidden oxygen reservoir deep inside Earth
Scientists have discovered that magma deep inside Earth can store surprising amounts of extra oxygen, potentially revealing a hidden contributor to our planet's oxygen-rich atmosphere. The findings suggest that ancient volcanic eruptions may have helped transform Earth's atmosphe
All Top News -- ScienceDaily ·
Astronomers may have discovered the first moon beyond our Solar System
Astronomers have uncovered evidence of a bizarre, potentially historic discovery: the first moon ever detected beyond our Solar System. Unlike familiar moons, this mysterious object is at least as massive as Jupiter and orbits a brown dwarf, which itself circles a star. The unusu
All Top News -- ScienceDaily ·
Astronomers uncover a mysterious magnetic web above the Sun
The Sun’s seemingly peaceful regions are hiding a surprisingly complex magnetic world. Using a balloon-borne telescope high above Earth, scientists discovered delicate, thread-like magnetic structures woven through the solar atmosphere, apparently shaped by twisting motions on th
All Top News -- ScienceDaily ·
Extraterrestrial detection inspired by firefly communications could distinguish alien signals from pulsars
When we think of extraterrestrial intelligence that might be out there among the stars, we tend to think of creatures not too unlike us, though maybe with gray skin, probably bald and with big black eyes. We focus on the familiar, humanoids. But there are many intelligent species
Phys.org - latest science and technology news stories ·