Solar-sailing sentries could allow up-close study of interstellar visitors like 'Oumuamua'
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Telegraph
Solar-sailing sentries could allow up-close study of interstellar visitors like 'Oumuamua
Diagram of a proposed network of solar-sailing "statite" craft, which would look for interstellar objects zooming through the solar system and potentially allow up-close study of such visitors. (Image: © Diagram of a proposed network of solar-sailing "statite"…
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Why Are You Alive – Life, Energy & ATP
At this very second, you are on a narrow ledge between life and death. You probably don't feel it, but there is an incredible amount of activity going on inside you. And this activity can never stop.
Picture yourself as a slinky falling down an escalator moving upwards- the falling part represents the self replicating processes of your cells, the escalator represents thee laws of physics, driving you forwards. To be alive is to be in motion but never arriving anywhere. If you reach the top of the escalator there is no more falling possible and you are dead forever.
Somewhat unsettlingly, the universe wants you to reach the top. How do you avoid that and why are you alive?
Video (Kurzgesagt)
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At this very second, you are on a narrow ledge between life and death. You probably don't feel it, but there is an incredible amount of activity going on inside you. And this activity can never stop.
Picture yourself as a slinky falling down an escalator moving upwards- the falling part represents the self replicating processes of your cells, the escalator represents thee laws of physics, driving you forwards. To be alive is to be in motion but never arriving anywhere. If you reach the top of the escalator there is no more falling possible and you are dead forever.
Somewhat unsettlingly, the universe wants you to reach the top. How do you avoid that and why are you alive?
Video (Kurzgesagt)
@EverythingScience
A Zinnia flower, grown inside the Veggie facility onboard the International Space Station, in the Cupola with Earth behind it
Photo (Reddit)
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Photo (Reddit)
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The WHO Has a 3-Point Checklist Countries Should Tick Before Lifting a Lockdown
Article #Covid19
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ScienceAlert
The WHO Has a 3-Point Checklist Countries Should Tick Before Lifting a Lockdown
Businesses from Milan in Italy to Roswell in Georgia have begun opening up after weeks and months of coronavirus-induced shutterings.
Check out the Model X that will carry Bob Behnken and Doug Hurley to the launchpad for the Demo-2 mission!
Photos (Twitter)
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Photos (Twitter)
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WHO Expert Warns The Coronavirus "May Never Go Away", Even if We Find a Vaccine
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Article #Covid19
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ScienceAlert
WHO Expert Warns The Coronavirus "May Never Go Away", Even if We Find a Vaccine
In November 2019, before the world had even heard of the novel coronavirus, 14 children on the Pacific island nation of Samoa were hooked up to ventilators. They were each fighting for their lives against a different, but also highly infectious vir
For The First Time, Astronomers Detect Regular Pulses Coming From Chaotic Stars
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ScienceAlert
For The First Time, Astronomers Detect Regular Pulses Coming From Chaotic Stars
A class of stars that jangled out discordant frequencies across the galaxy have just been untangled. Using data collected by NASA's TESS space telescope, astronomers have finally found a rhythm in the pulsations of strange, young stars.
Earth's Magnetic North Is Moving From Canada to Russia, And We May Finally Know Why
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ScienceAlert
Earth's Magnetic North Is Moving From Canada to Russia, And We May Finally Know Why
Our planet wears its magnetic field like an oversized coat that just won't sit comfortably. All that sliding means the north magnetic pole is destined to move ever closer to Siberia's coastline over the coming decade.
Astronomers Have Traced Mysterious Neutrinos Back to Erupting Supermassive Black Holes
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ScienceAlert
Astronomers Have Traced Mysterious Neutrinos Back to Erupting Supermassive Black Holes
Neutrinos are mysterious and elusive particles. They have a tiny mass, no electric charge, and they interact with other matter only rarely. They are also extremely common.
Should You Self-Isolate if You Suddenly Lose Your Sense of Smell? Here's What We Know
Article #Covid19
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Article #Covid19
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ScienceAlert
Should You Self-Isolate if You Suddenly Lose Your Sense of Smell? Here's What We Know
Waking up and not being able to smell the coffee could be a sign of COVID-19. The World Health Organization recently announced that a sudden loss of sense of smell (anosmia) should be added to the symptoms of COVID-19.
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High quality footage of a solar flare erupting from the Sun's surface
On April 17, 2016, an active region on the sun's right side released a mid-level solar flare, captured here by NASA's Solar Dynamics Observatory. This solar flare caused moderate radio blackouts, according to NOAA's Space Weather Prediction Center. Scientists study active regions - which are areas of intense magnetism to better understand why they sometimes erupt with such flares. This video was captured in several wavelengths of extreme ultraviolet light, a type of light that is typically invisible to our eyes, but is color-coded in SDO images for easy viewing.
Video (NASA Goddard)
@EverythingScience
On April 17, 2016, an active region on the sun's right side released a mid-level solar flare, captured here by NASA's Solar Dynamics Observatory. This solar flare caused moderate radio blackouts, according to NOAA's Space Weather Prediction Center. Scientists study active regions - which are areas of intense magnetism to better understand why they sometimes erupt with such flares. This video was captured in several wavelengths of extreme ultraviolet light, a type of light that is typically invisible to our eyes, but is color-coded in SDO images for easy viewing.
Video (NASA Goddard)
@EverythingScience
On April 10th, The Secrets Of The Universe began a series of 30 articles named "Basics Of Astrophysics" on their website to mark the anniversary of 1st black hole image.
This series features a total of 30 articles posted every alternate day. Beginning from - "What is Astrophysics?", It explore various aspects of this amazingly broad field. From stars to galaxies, nebulae to black holes it will cover almost everything in this subject. Not only that, but some of the articles are also dedicated to the technical aspects of this subject, such as - the concept of magnitude, the Hertzsprung Russell diagram, the celestial coordinate system, etc. There is something for every reader in this series.
Currently, the series is on the 19th article and you can read it all here:
https://www.secretsofuniverse.in/basics-of-astrophysics-series/
@EverythingScience
This series features a total of 30 articles posted every alternate day. Beginning from - "What is Astrophysics?", It explore various aspects of this amazingly broad field. From stars to galaxies, nebulae to black holes it will cover almost everything in this subject. Not only that, but some of the articles are also dedicated to the technical aspects of this subject, such as - the concept of magnitude, the Hertzsprung Russell diagram, the celestial coordinate system, etc. There is something for every reader in this series.
Currently, the series is on the 19th article and you can read it all here:
https://www.secretsofuniverse.in/basics-of-astrophysics-series/
@EverythingScience
The Secrets Of The Universe
Basics Of Astrophysics Series: All The 30 Articles | The Secrets Of The Universe
Are you an astronomy enthusiast and always wanted to learn how the universe works? Then this series is for you.