Archive for the ‘space’ category: Page 298
Feb 1, 2022
To Catch a Dancing Star: The Story of ‘Extreme Precision’ Spectroscopy
Posted by Alan Jurisson in category: space
Dr. Arpita Roy, Space Telescope Science Institute.
It has been three decades since astronomers first discovered planets outside our solar system. This profound scientific moment established the field of exoplanet science and has led us on a whirlwind tour of other worlds, none of which (so far) have been quite like our own.
Continue reading “To Catch a Dancing Star: The Story of ‘Extreme Precision’ Spectroscopy” »
Feb 1, 2022
Astronomers Took One Step Closer to a New Method for Detecting Gravitational Waves
Posted by Gemechu Taye in categories: physics, space
Feb 1, 2022
Theory: We’re running out of time if we ever want to meet aliens
Posted by Jose Ruben Rodriguez Fuentes in category: space
The universe is expanding. But what happens when it stops? Will we have enough time to find our neighbors before it all starts over again? property= description.
Feb 1, 2022
Radio Amateurs & Skywatchers Rejoice, Sat Operators Worry: Solar Storm Incoming
Posted by Shubham Ghosh Roy in category: space
How do you look back over your life and divide it up? Maybe by decades, cultural moments, or geopolitical events. For radio amateurs with older callsigns there’s a temptation to do so by solar cycles, as the roughly 11-year period of the Sun’s activity had a huge effect on radio propagation through the charge it creates in the upper atmosphere. We’re now in solar cycle 25, numbered since the 18th century when the science of solar observation began, and as never before we’re surrounded by information from experts such as [Dr. Tamitha Skov], the so-called [Space Weather Woman]. When she says something is on the way we listen, so a recent Tweet predicting a direct hit from a solar storm with a good probability of auroras in lower latitudes is very much worth sharing.
We must extend our commiserations to readers in equatorial climes and ever through the lower half of the USA, southern Europe, the Middle East, India, Japan, and China. You won’t see the aurora we’ll catch in Europe along with our friends in New Zealand, Canada, Russia, and northern USA. But even then to those of us at moderate latitudes an aurora is a pretty rare event, so we’re hoping for clear skies on the 2nd of February and would advise you to look out too if you’re in the likely zone even if they won’t be quite as impressive as those in our header picture. Meanwhile radio amateurs everywhere don’t have to see pretty lights in the sky to reap the benefits in terms of propagation, so happy DX hunting! The Tweet is embedded below the break, so you can play the timeline for yourselves.
Direct Hit! NASA, NOAA & MetOffice predictions agree the #solarstorm launched Jan 29 will hit Earth by early Feb 2! This one is slow so expect #aurora only as far south as Netherlands, north USA, & up to north New Zealand & Tasmania. #GPS & HF #radio issues on Earth’s nightside! pic.twitter.com/Uua1LGMgJR
Feb 1, 2022
A new video of Tianwen-1 flying above Mars is pretty epic
Posted by Alberto Lao in category: space
Jan 31, 2022
Is interstellar asteroid ‘Oumuamua a spaceship? This probe could find out
Posted by Atanas Atanasov in category: space
New technology could let us study the interstellar object and determine what it is and where it came from.
In October 2017, the interstellar object ‘Oumuamua passed through our Solar System, leaving a lot of questions in its wake.
Jan 31, 2022
Exploring the Ice Giants with Keck Observatory and Other Telescopes
Posted by Alan Jurisson in category: space
Thu, Feb 17 at 7 PM PST.
GUEST SPEAKER:
Heidi Hammel, Vice President for Science, The Association of Universities for Research in Astronomy (AURA)
Continue reading “Exploring the Ice Giants with Keck Observatory and Other Telescopes” »
Jan 31, 2022
Renovating the 20″ Grubb Parsons Telescope at Glasgow University
Posted by Alan Jurisson in category: space
Fri, Feb 4 at 11:30 AM PST.
Talk by Prof Giles Hammond, University of Glasgow. Join us in person at the Augustine United Church or online via our YouTube channel.
Continue reading “Renovating the 20″ Grubb Parsons Telescope at Glasgow University” »
Jan 30, 2022
Renewable energy from space? One student hopes to harness it
Posted by Omuterema Akhahenda in categories: education, solar power, space, sustainability
While renewable energy sources like wind and solar have become more common across the United States, fossil fuels remain the main source of energy. According to the U.S. Information Administration’s (EIA) International Energy Outlook 2021 (IEO2021), the global supply of fossil fuels and biofuels is expected to adequately meet global demands for liquid fuel through 2050. Renewable energy technologies have improved to become more efficient and less costly, however most renewable energies are unable to provide a constant supply of energy.
This issue inspired Shriya Tailor, a middle school student from Duluth, Georgia, to find a constant renewable energy supply that created energy at all hours of the day and in any weather condition.
She looked to space for this solution, leading her to design a prototype for a “Solar Energy Station.” Shriya says the station, made of solar cells, would need to be around 50 miles away from earth for the energy waves to be transmitted back to earth via electromagnetic fields, then collected by an antenna and converted back to electricity. Consisting of a small solar panel, switching circuit, and transmitting and receiving coils, Shriya’s prototype allowed her to test her process here on earth.
