In space, no one can hear you scream, but, using the right instruments, scientists can pick up all types of cosmic vibrations – the sort we can turn into sound. We listen to the squeal of black holes crashing into each other. Also, how a theoretical physicist and jazz musician uses music to explore the most vexing questions facing modern cosmology. Plus, how John Coltrane found inspiration in Albert Einstein.
They would be the closest worlds beyond the solar system.
If there are planets around the double star Alpha and Beta Centauri, they’re a mere 4 light-years distant, a remove so small we might actually be able to send space probes there in the foreseeable future.
NASA provided Fourth of July excitement this year when the Juno spacecraft arrived at the majestic planet Jupiter and successfully went into orbit. Juno is only the second spacecraft to orbit Jupiter, after the Galileo mission of the 1990s. Its particular focus is to understand the inner workings of giant planets.
“Are we alone in the Universe?” is the provocative question that inspires the scientific search for life beyond Earth. Today, we know definitively of only one planet that hosts life, and that is Earth. How can we find life, and in particular, intelligent life beyond our world?
They’re baaaaack. Just when you thought humanity’s future was already dimmed with tough problems like climate change, terrorism and reality TV, bad guys from a distant planet show up to ruin everyone’s whole summer. It’s “Independence Day: Resurgence.”
In the May 2016 report, among numerous publications you will see listed are: “Alien Mindscapes – Perspective on the Search for Extraterrestrial Intelligence,” in Astrobiology; “Disk Dispersal: Theoretical understanding and observational constraints,” explained in Space Science Reviews; “Stratigraphy and Formation of Clays and Other Hydrated Minerals within a Depression in Coprates Catena,” revealed in the Journal of Geophysical Research.
What sort of signals do you expect to find?
That’s a frequent question posed to SETI scientists as they swing their antennas in the directions of nearby star systems. Their answer is (and has long been) “a narrow-band signal” – a broadcast that has at least some components that are localized to one spot on the radio dial.
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