Science news 28 Feb, 2021
Vice President Kamala Harris Calls NASA Astronaut Victor Glover - NASANASA
In celebration of Black History Month, NASA astronaut Victor Glover welcomed Vice President Kamala Harris to the International Space Station for a virtual chat.
Astra, Rocket Lab win launch contracts - SpaceNewsSpaceNews
Astra has won a NASA contract to launch a small constellation of Earth science cubesats, while General Atomics selected Rocket Lab to launch a NOAA payload.
Study finds Atlantic Ocean circulation weakening - AxiosAxios
Researchers say circulation is in its "weakest state in over a millennium."
Mysterious stripes spotted over Russia in satellite images — and NASA is perplexed - Space.comSpace.com
Scientists can't agree on why these hills in the Russian Arctic ripple with stripes.
Starlink explained: What to know about Elon Musk's satellite internet venture - CNETCNET
The billionaire entrepreneur is launching satellites into space, and promising to deliver high-speed broadband internet to as many users as possible.
This photo shows two stunning light phenomena at the same time - BGRBGR
Lightning strikes that we see here on the surface are only one kind of storm phenomenon, and others happen in places we can’t see from the ground. Lightning also produces incredible sights in the space above the clouds, extending into the atmosphere in color…
Memory Without a Brain: How a Single Cell Slime Mold Makes Smart Decisions - SciTechDailySciTechDaily
How a single cell slime mold makes smart decisions without a central nervous system. Having a memory of past events enables us to make smarter decisions about the future. Researchers at the Max-Planck Institute for Dynamics and Self-Organization (MPI-DS) and …
Second prevalve issue delays completion of SLS Core Stage Green Run campaign - NASASpaceFlight.com - NASASpaceflight.comNASASpaceflight.com
A problem with another one of the eight prevalves in the Artemis 1 Core Stage…
Brazil's first homemade satellite will put an extra eye on dwindling Amazon forests - Science MagazineScience Magazine
The long-awaited launch of Amazonia-1 is a major test for Brazilian science
February’s Full Moon is this weekend; three planets visible at sunrise - WGN TV ChicagoWGN TV Chicago
The full moon is this weekend. February’s full Snow Moon reaches its peak in the early morning hours of Saturday.
Astronomers Think They’ve Found the Neutron Star Remnant Left Behind from Supernova 1987A - Universe TodayUniverse Today
It was the brightest supernova in nearly 400 years when it lit the skies of the southern hemisphere in February 1987. Supernova 1987A – the explosion of a blue supergiant star in the nearby mini-galaxy known as the Large Magellanic Cloud – amazed the astronom…
ESA's Trace Gas Orbiter Sports Perseverance Rover in Jezero Crater | Space Exploration - Sci-News.comSci-News.com
New images of NASA’s Perseverance rover, along with its parachute, heat shield and descent stage, were captured by the CaSSIS camera aboard ESA’s Trace Gas Orbiter (TGO) on February 23, 2021.
The key to proper muscle growth - Medical XpressMedical Xpress
When a muscle grows, because its owner is still growing too or has started exercising regularly, some of the stem cells in this muscle develop into new muscle cells. The same thing happens when an injured muscle starts to heal. At the same time, however, the …
A comet makes a pit stop near Jupiter but will eventually get flung into interstellar space - SYFY WIRESYFY WIRE
In June 2019, the automated survey ATLAS (Asteroid Terrestrial-impact Last Alert System) found a new object moving against the background stars. Initially called 2019 LD2, it was thought to be an asteroid orbiting the Sun out near Jupiter. However, an amateur…
Using deep-sea fiber optic cables to detect earthquakes - Phys.orgPhys.Org
Seismologists at Caltech working with optics experts at Google have developed a method to use existing underwater telecommunication cables to detect earthquakes. The technique could lead to improved earthquake and tsunami warning systems around the world.
NASA and Roscosmos leaders speak as plans finalized for flying astronaut on upcoming Soyuz flight - SpaceNewsSpaceNews
It is increasingly likely that a NASA astronaut will fly on a Soyuz mission to the space station in April as NASA finalizes an agreement with Roscosmos.
Are the Earth’s shifting magnetic fields causing climate change? - EuronewsEuronews
Bold new research claims that atmospheric changes more than 40,000 years ago could be related to the climate crisis.
First complete coronavirus model shows cooperation - Phys.orgPhys.Org
The COVID-19 virus holds some mysteries. Scientists remain in the dark on aspects of how it fuses and enters the host cell; how it assembles itself; and how it buds off the host cell.
For The First Time, Physicists Have Filmed The Oscillation of a Time Crystal - ScienceAlertScienceAlert
For the first time, physicists have captured an enigmatic state of matter on video.
Mat-Su now has the highest COVID-19 daily case average in the state and one of the lowest vaccine rates - Anchorage Daily NewsAnchorage Daily News
Still, the borough’s lack of restrictions has drawn two state athletic events from Anchorage, where sports fall under stricter protocols.
Answer to fossil record puzzle may lie with teenage T rexes, study finds - The GuardianThe Guardian
Absence of smaller dinosaurs may be result of adolescent megatheropods crowding them out<br>
NASA's Webb Telescope Will Be the World's Premier Space Science Observatory – Here's What Those Powerful Capabilities Mean for Astronomy - SciTechDailySciTechDaily
Early observations of stars in the local universe will pave the way for years of discovery across a range of science topics The combination of high resolution and infrared-detecting instruments on NASA's upcoming James Webb Space Telescope will provide astron…