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Articles by Kevin Orrman-Rossiter
Is space infinite? We asked 5 experts
We’ve known for some time now our universe is expanding, and in recent years discovered this was happening considerably faster than we’d expected. Yet despite momentous innovations in telescope and satellite technology, it’s thought much of what’s out there in the cosmos lies beyond our line of sight — beyond the “observable universe”, as it’s called.
Curious Kids: How big is the International Space Station?
If you have a question you’d like an expert to answer, send it to curiouskids@theconversation.edu.au. How big is the International Space Station? - Isla, aged 6, Australia. The International Space Station (ISS) is the biggest human-made thing in space and the third-brightest object in the sky. It’s so big you can see it in the night sky without a telescope or binoculars. It’s 109 metres long and 75 metres wide – about the same size as a soccer field. It weighs 420 tonnes, about the same as 280 cars.
How Do Astronauts Get Space Sick? Physics Explains
This is a great question. If any of the students of class 3E get the opportunity to fly in space, just slap on an anti-nausea skin patch and go for it! Space sickness discomfort is real, but if it happens to you, it will be short, and you will remember the space voyage experience forever. Yes, astronauts can get space sick traveling to the International Space Station.
From Newton to Hawking and beyond: a short history of the Lucasian Chair
On July 1 physicist Michael Cates will be the 19th person to sit in what is perhaps the most prestigious “chair” in science when he assumes the post of the Lucasian Professor of Mathematics at Cambridge University. Although sometimes called “Newton’s chair” after its most famous holder, Sir Isaac was not the only brilliant mind, nor the most colourful individual, to occupy the post.
Curious Kids: Do astronauts get space sick when they travel from Earth to the International Space Station?
This is an article from Curious Kids, a series for children. The Conversation is asking kids to send in questions they’d like an expert to answer. All questions are welcome – serious, weird or wacky! This was a great question. If any of the students of class 3E get the opportunity to fly in space, just slap on an anti-nausea skin patch and go for it! Space sickness discomfort is real but if it happens to you, it will be short and you will remember the space voyage experience forever.
All of Humanity Should Share in the Space Mining Boom
One solitary asteroid might be worth trillions of dollars in platinum and other metals. Exploiting these resources could lead to a global boom in wealth, which could raise living standards worldwide and potentially benefit all of humanity. There are already companies, such as Planetary Resources, hoping to make mining in space a reality.
All of humanity should share in the space mining boom
One solitary asteroid might be worth trillions of dollars in platinum and other metals. Exploiting these resources could lead to a global boom in wealth, which could raise living standards worldwide and potentially benefit all of humanity. There are already companies, such as Planetary Resources, hoping to make mining in space a reality.
The Long Hunt for New Objects in Our Expanding Solar System
Recognise these planet names: Vulcan, Neptune, Pluto, Nemesis, Tyche and Planet X? They all have one thing in common: their existence was predicted to account for unexplained phenomena in our solar system. While the predictions of Neptune and Pluto proved correct, Nemesis and Tyche probably don’t exist. Now we have another contender, Planet Nine – the existence of which astronomers predicted last month – but we may need to wait ten or more years for it to be confirmed. Compare this to Vulcan.
Kevin Orrman-Rossiter reviews 'Graeme Clark' by Mark Worthing
The story of Graeme Clark and the cochlear implant is often seen as the exception to the research trope lauding the brilliance of Australians at basic research but lamenting their ineptness commercialising these opportunities. This book is an adulatory story of Clark’s life. Clark’s exceptional and driven journey is breathlessly related by Worthing.
why we're going back to Europa
Last month NASA gave the “all systems go” for a new mission to Europa. But why go back? After all, we’re still sifting through the data from the Galileo probes fly-bys from more than a decade ago. The short answer: it’s all about life. The Jovian moons – named after Jupiter’s lovers by Simon Marius – have been a source of scientific speculation since Galileo trained his telescope on Jupiter in 1610, announcing his discovery in the Sidereal Messenger.
NASA's Curiosity is on Mars safely – so now what?
At 3.31pm today (AEST) the NASA control room in Pasadena, California erupted after people heard these three simple words: “touchdown signal detected”. This diminutive sentence signalled that the Curiosity rover had safely landed on Mars. After a “picture perfect launch” on November 26 last year and a 254 day voyage to the red planet, Curiosity (officially the Mars Science Laboratory) was primed to descend to the Gale Crater on the Martian equator.
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