Neutron-star mountains are tiny (but you canât climb âem)
Researchers in the UK have found that neutron-star mountains are less than a millimeter tall. These dense, dead stars are nearly perfectly smooth spheres.
The post Neutron-star mountains are tiny (but you canât climb âem) first appeared on EarthSky.
NASA Measures Interior of Mars for the First time, Revealing Huge Liquid Core
In the first ever measurement of another planet’s core, seismography conducted over several Martian years have revealed the liquid metal core is softer than expected—more like a Mars-mellow than a Mars Bar. While the recently arrived Perseverance rover has been hoovering up much of the Mars-related attention, a trio of recently published papers that measured […]
The post NASA Measures Interior of Mars for the First time, Revealing Huge Liquid Core appeared first on Good News Network.
A Dyson sphere harvests the energy of stars
Dyson spheres are named after inventor Freeman J. Dyson. A Dyson sphere is a megastructures that civilizations could use to harness the power of stars.
The post A Dyson sphere harvests the energy of stars first appeared on EarthSky.
Jupiter X-ray aurora mystery solved, after 40 years
A Jupiter X-ray aurora mystery has perplexed astronomers for decades. Now they think ions responsible for the X-rays “surf” electromagnetic waves into Jupiter’s atmosphere.
The post Jupiter X-ray aurora mystery solved, after 40 years first appeared on EarthSky.
Transits of Jupiterâs moons ahead: A triple!
Observers using a good pair of binoculars or a small telescope can see events called transits on Jupiter, when a moon or its shadow passes in front of the giant planet.
The post Transits of Jupiterâs moons ahead: A triple! first appeared on EarthSky.
Major 8.2-magnitude earthquake rocks Alaska
Sirens sounded across Alaska’s Kodiak island last night, after an 8.2-magnitude earthquake prompted tsunami warmings.
The post Major 8.2-magnitude earthquake rocks Alaska first appeared on EarthSky.
UK summer temperatures may hit 40C even if global warming is limited to 1.5C, scientists warn – Sky News
British summers may regularly hit 40C (104F) even if the global warming target set out by the Paris Agreement is met, meteorologists have said. The Royal Meteorological Society says such highs could become the new normal regardless of whether global…
Critical U.S. Pipelines Get Canceled As Russian Pipelines Are Green-Lit
In light of President Biden and German Chancellor Angela Merkel’s meeting recently, it was clear the two leaders continue to remain on opposing sides of Russia’s Nord Stream 2 pipeline. During their joint press conference, President Biden said, “My view…
This Yearâs Perseid Meteor Shower Will Be Super-Bright With Up To 50 Shooting Stars An Hour
During the next few weeks, look up and you can expect to see more than your average number of bright and shimmery shooting stars lighting up the night sky. The Perseids “are considered the best meteor shower of the year,” according to NASA. This year’s show began on July 17 and will last until August […]
The post This Yearâs Perseid Meteor Shower Will Be Super-Bright With Up To 50 Shooting Stars An Hour appeared first on Good News Network.
Clouds may speed up global warming – E&E News
One of the most fundamental questions about climate change is also one of the thorniest: How much, exactly, will the Earth warm in response to future greenhouse gas emissions? The answer, scientists say, lies in the sky above our heads….
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