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“#Returning asteroid sample can help crack secrets about how the solar system formed” What is your idea of an asteroid? Many people think of them as potato-shaped, inert, and perhaps rather dull, pock-marked objects – far away in deep space. But over the last ten years, two Japanese space missions – Hayabusa and now Hayabusa…
“#Nobody knows why there’s ghostly blobs in the sky — astronomers are excited” In September 2019, my colleague Anna Kapinska gave a presentation showing interesting objects she’d found while browsing our new radio astronomical data. She had started noticing very weird shapes she couldn’t fit easily to any known type of object. Among them, labeled…
“#Bored of your galaxy? Here’s a virtual tour of a million others” Astronomers have mapped about a million previously undiscovered galaxies beyond the Milky Way, in the most detailed survey of the southern sky ever carried out using radio waves. The Rapid ASKAP Continuum Survey (or RACS) has placed the CSIRO’s Australian SKA Pathfinder radio…
“#COVID-19 antibodies may fade faster in men than women” In the global effort to overcome COVID-19, much scientific and medical attention has focused on the ability of our immune system to generate antibodies. Antibodies are one of our body’s main weapons against viruses, created to recognize specific proteins on a virus’s surface and initiate processes that…
“#Neutrinos from our Sun hold the secrets to nuclear fusion” Most people realize our Sun is producing light and heat from the fusion of hydrogen into helium. However, the process of merging together hydrogen nuclei into helium is not as straightforward as it might seem. Typically, there are two processes by which smaller stars create…
“#The COVID-19 vaccine is on its way — but don’t ditch your mask just yet” The UK has become the first country to approve the Pfizer/BioNTech vaccine for widespread use. The government has ordered 40 million doses and the first batch of 800,000 doses is expected to be shipped from Belgium – where the vaccine…
“#How to check your Christmas tree’s carbon footprint” There’s no way around the fact that Christmas has a large carbon footprint, from the traveling we do to the presents we give and the large amounts of food we eat. But it is possible to at least reduce the negative impacts. With climate change and carbon…
“#Spooky space: Blue ring nebula reveals the secrets of binary stars” In 2004, the Galaxy Evolution Explorer, an orbiting space telescope scanning distant groups of galaxies, found a bizarre object. Among other oddities, this body appeared to be blue, despite giving off no visible light. Careful observations showed the presence of a pair of rings…
“#4 ways to respond to vaccine skeptics on social media” For most of the 20th century, more than 60,000 people died in the US from polio, diphtheria, and small pox each year. In 2016, the American death toll from these diseases was zero. Around the globe, two to three million deaths from these diseases and…
“#The universe is getting hotter as it gets older — here’s why” The cosmic web — ribbons of gas and dust tying galaxies together — are the largest structures in the Universe, and a new study shows they are growing hotter over time. Utilizing a phenomenon known as the Sunyaev-Zeldovich effect, astronomers find these ribbons…