Category: Uncategorized
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When you wish upon a star, is it already dead? An astronomer crunches the numbers
Published: December 17, 2024 6.08am AEDT This article is republished from The Conversation under a Creative Commons license. Read the original article. Laura Nicole Driessen, University of Sydney When you wish upon a star, Jiminy Cricket told us, your dreams come true. But according to an idea doing the rounds on social media, that may…
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From platypus to parsecs and milliCrab: why do astronomers use such weird units?
Published: April 18, 2023 2.57pm AEST This article is republished from The Conversation under a Creative Commons license. Read the original article. Laura Nicole Driessen, University of Sydney You may have heard about an asteroid set to fly near Earth that is the size of 18 platypus, or maybe the one that’s the size of…
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People are complaining about Mercury in retrograde. But what does it actually mean?
Published: May 8, 2023 12.51pm AEST This article is republished from The Conversation under a Creative Commons license. Read the original article. Laura Nicole Driessen, University of Sydney Mercury is the closest planet to the Sun, whipping around our star every 88 days compared to Earth’s 365.25 days. Mercury will also be the first planet…
Dr Laura Driessen 