astronomy Archive

astronomyDark matter might be primordial black holes

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Astronomers studying the motions of galaxies and the character of the cosmic microwave background radiation came to realize in the last century that most of the matter in the universe was not visible. About 84 percent of the matter in …

astronomyCarnival of Space 556

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1. Universe Today – Launching Rockets from Balloons is About to be a Thing, But We Need a Better Name than “Rockoons” 2. Universe Today – Astronomers Just Found 72 Stellar Explosions, but Don’t Know What’s Causing Them 3. Universe …

astronomyCarnival of Space 555

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The Carnival of Space 555 is up at Everyday Spacer. Universe Today – The Most Distant Star Ever Seen, Only 4.4 Billion Years After the Big Bang A team of astronomers recently used Hubble to locate the most distant star …

astronomyModular Active Self-Assembling Space Telescope Swarms

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Dmitry Savransky, Cornell University, proposes a modular, self-assembling architecture enabling the construction of 30+ m diameter, reflective, space telescopes with active optics. The entire structure of the telescope, including the primary and secondary mirrors, secondary support structure and planar sunshield …

astronomyDirect Megapixel Imaging and Spectroscopy of an Exoplanet with a Solar Gravity Lens Mission

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NASA Innovative Advanced concepts has a phase 2 study of a mission to the regions outside our solar system, with the objective of conducting direct high-resolution imaging and spectroscopy of a habitable exoplanet by exploiting optical properties of the solar …

astronomyKilometer Space Telescope

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A Kilometer Space Telescope (KST) will provide over three times the diameter and ten times the collecting area of the Arecibo groundbased radio telescope with diffraction-limited performance at optical, infrared, and millimeter wavelengths. This capability is orders of magnitude improvement …

astronomyUpdated analysis for laser sail mission to Alpha Centauri

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There is a 49-page report that has updated analysis on sending a small probe towards the Alpha Centauri system in a 50 year total mission time traveling at an average cruise velocity of 10% of light speed. The Andromeda Study: …

astronomyFuture Solar Sail Missions

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Les Johnson of the NASA Marshall Space Center provides a 37-page presentation on solar sails covering the technical details, past projects and future projects. Near-term work is with various cubesats and solar sails. Near Earth Asteroid Scout The Near Earth …

astronomyCarnival of Space 554

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The Carnival of Space 554 is up at Urban Astronomer. This Bizarre Image is a 3D Scan of a Cave Network in Spain. This Technology Could be Used to Map Out Lava Tubes on the Moon and Mars A team …

astronomyIn Mid-April NASA will launch next generation planet hunting space telescope

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NASA’s next planet hunter, the Transiting Exoplanet Survey Satellite (TESS), is scheduled to launch as early as April 16, 2018. TESS is expected to find thousands of planets outside our solar system, known as exoplanets, orbiting the nearest and brightest …