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Thursday, October 28, 2021
get-ready-for-more-interstellar-objects,-astronomers-say

Get ready for more interstellar objects, astronomers say

Gregory Laughlin and Malena Rice weren’t exactly surprised a few weeks ago when they learned that a second interstellar object had made its way into our solar system.The Yale University astronomers had just put the finishing touches on a new study suggesting that these strange, icy visitors from other planets are going to keep right…
comet’s-collapsing-cliffs-and-bouncing-boulders

Comet’s collapsing cliffs and bouncing boulders

Scientists analyzing the treasure trove of images taken by ESA’s Rosetta mission have turned up more evidence for curious bouncing boulders and dramatic cliff collapses.Rosetta operated at Comet 67P/Churyumov-Gerasimenko between August 2014 and September 2016, collecting data on the comet’s dust, gas and plasma environment, its surface characteristics and its interior structure.As part of the…
nasa’s-wfirst-will-help-uncover-the-universe’s-fate

NASA’s WFIRST will help uncover the universe’s fate

Scientists have discovered that a mysterious pressure dubbed “dark energy” makes up about 68% of the total energy content of the cosmos, but so far we don’t know much more about it. Exploring the nature of dark energy is one of the primary reasons NASA is building the Wide Field Infrared Survey Telescope (WFIRST), a…
‘pluto-is-a-planet’:-nasa-official-risks-sparking-science-civil-war-with-controversial-declaration

‘Pluto is a planet’: NASA official risks sparking science civil war with controversial declaration

One brave NASA administrator is refusing to bow to the prevailing scientific consensus, and is risking potential ostracization or, worse still, online ridicule, for proudly declaring that “Pluto is a planet.”Saturday, August 24, 2019 marked 13 years to the day since Pluto was demoted from having the status of a planet to being assigned that…
x-raying-a-galaxy’s-stellar-remnants

X-raying a galaxy’s stellar remnants

Skip to content Most of the dots in this view represent the end points of the life cycle of star This colourful spread of light specks is in fact a record of extremely powerful phenomena taking place in a galaxy known as Messier 83, or M83. Located some 15 million light-years away, M83 is a…
nasa-gets-a-rare-look-at-a-rocky-exoplanet’s-surface

NASA Gets a Rare Look at a Rocky Exoplanet’s Surface

A new study using data from NASA’s Spitzer Space Telescope provides a rare glimpse of conditions on the surface of a rocky planet orbiting a star beyond the Sun. The study, published today in the journal Nature, shows that the planet’s surface may resemble those of Earth’s Moon or Mercury: The planet likely has little…
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