How do we see things in space?
TRAPPIST-1: "Presenting humanity with many opportunities to study terrestrial worlds beyond our solar system" (TRAPPIST-1)TRAPPIST-1 (Wikipedia)What is astronomy? (Space.com)How do (visual) telescopes work? (How Stuff Works, Science)Galileo Galilei (Wikipedia)Four of Jupiter's 67 moons, Io, Europa, Ganymede & Callisto, are known as the 'Galilean' moons (Wikipedia)Galilieo got in big trouble from the church for saying that the Earth was not the centre of everything (Wikipedia)Galileo gives an eternal bird to the church: His middle finger is displayed in a jar in Florence (Wikipedia)The Galilean moons have regular orbits, but most of Jupiter's moons have orbits that are a bit random (Wikipedia)The electromagnetic spectrum (Cosmos)The electromagnetic spectrum & telescopes (NASA)It takes more than one kind of telescope to see the light (NASA)Observatories across the electromagnetic spectrum (NASA)A list of all the space telescopes (Wikipedia)A list of the oldest observatories on Earth (Wikipedia)How do telescopes let us see so far into space? (BBC, Science)How scientists get data from the universe, process it, archive it & analyse it (NASA)Hubble Space Telescope: Detects near infrared, visible & ultraviolet light (Wikipedia)Hubble Site (NASA)A fresh take on the Horsehead Nebula (Hubble Space Telescope, ESA)Making images out of different kinds of raw data from space (NASA)The Hertzsprung-Russell diagram (CSIRO, Australia Telescope National Facility)The Hertzsprung-Russell diagram (Cosmos)Main sequence stars (CSIRO, Australia Telescope National Facility)Main sequence lifetime (Cosmos)Detecting other worlds: The wobble method (SETI)How can you tell between different types of stellar wobble? (The Naked Scientists)"The Sun is a G-type main-sequence star (G2V) based on its spectral class, & is informally referred to as a yellow dwarf" (Wikipedia)Spectra & what they can tell us (NASA)Astronomical spectroscopy (Wikipedia)What is a stellar nursery? (wiseGEEK)An image of a stellar nursery (NASA)‘Space beacons’ reveal the Milky Way’s very old core (Space Answers)A timeline of the TRAPPIST-1 discoveries & the telescopes involved (TRAPPIST-1)The James Webb telescope (NASA)Kepler Space Telescope: Exoplanet hunter (Space.com)Belgian astronomers celebrated the discovery of the TRAPPIST-1 exoplanet system with Trappist beer (Wikipedia)5 ways to find a planet (NASA)The planets orbiting TRAPPIST-1 were discovered using the 'transit method' of detection (TRAPPIST-1)The planets orbiting TRAPPIST-1 are quite close to the star & three are in the habitable zone (Wikipedia)What is the Goldilocks Zone & why does it matter in the search for ET? (ABC, Australia)Search for extraterrestrial intelligence (SETI Institute)SETI has tried to see if any radio signals are coming from TRAPPIST-1 (Wikipedia)Where is the search for extraterrestrial life up to? (ABC, Australia)The billion-year technology gap: Could one exist? (The Daily Galaxy)Advanced alien civilizations rare or absent in the local universe (Phys.org)The hydrogen 21 cm line (HyperPhysics)A proper paper about 21cm intensity mapping: "Using the 21 cm line, observed all‐sky & across the redshift range from 0 to 5, the large scale structure of the universe can be mapped in three dimensions" (Cornell University Library, Peterson JB et al.)The Very Large Telescope (Wikipedia)The Extremely Large Telescope (Wikipedia)The Overwhelmingly Large Telescope (Wikipedia)The Deep Space Network (NASA, JPL)Canberra has several telescopes that are part of the Deep Space Network (NASA)The Square Kilometre Array Telescope (SKA, Australia)SKA telescope to generate more data than entire internet in 2020 (Computer World)SKA amazing facts (SKA)"Astrology is the mass cultural delusion that the apparent position of the sun & planets relative to arbitrarily defined "star signs" at the time of your birth somehow affects your personality & future" (Rational Wiki)Astrology is still bullshit & the universe doesn't care about you (Gizmodo)Flecks of extraterrestrial dust, all over the roof: An amazing article about a Norwegian Jazz musician who collects space dust (The New York Times)Where are you from? Send us a postcard! Strange Attractor, c/ PO Box 9, Fitzroy, VIC 3065, AustraliaCorrections
TRAPPIST-1 is thought to be an ultra-cool dwarf, not a brown dwarf (Wikipedia)The James Webb telescope will detect infrared energy, not radio (NASA)Johnny meant 'wavelength' when talking about the hydrogen 21 cm line, not 'frequency' (HyperPhysics)Check out our new Fireside home
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