Tag Archives: kaplan

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compiled by Arlene & David Kaplan What Does SpaceX’s Reusable Rocket Mean for Space Travel? This week a major milestone in spaceflight took place. SpaceX, the private company with big dreams for manned spaceflight, launched a partly used rocket into … Continue reading

Posted in April 2017, Sidereal Times | Tagged , | Leave a comment

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compiled by Arlene & David Kaplan Cassini probe sweeps over Saturn’s moon Enceladus The NASA craft swept just 50km above the moon’s surface in a final attempt to “taste” the chemistry of water jets spewing from its south pole. Enceladus … Continue reading

Posted in March 2017, Sidereal Times | Tagged , | Leave a comment

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compiled by David Kaplan Claim made for hydrogen ‘wonder material’ Scientists in the US say they have at last managed to turn hydrogen into a state where it behaves like a metal. If that is true – and it is … Continue reading

Posted in February 2017, Sidereal Times | Tagged , , , | Leave a comment

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compiled by David Kaplan Where Will NASA Go in the Age of Trump? Two weeks after a presidential election that could have vaulted him to the head of NASA, John Grunsfeld reached across his peanut curry at a small restaurant … Continue reading

Posted in January 2017, Sidereal Times | Tagged , , | Leave a comment

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compiled by Arlene & David Kaplan Telescope That ‘Ate Astronomy’ Is on Track to Surpass Hubble Like the petals of a 20-foot sunflower seeking the light, the 18 hexagonal mirrors that make up the heart of NASA’s James Webb Space … Continue reading

Posted in December 2016, Sidereal Times | Tagged , | Leave a comment

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compiled by David Kaplan If Planet Nine Is Out There, It Tilts Our Solar System Most people think the eight planets in our solar system orbit the sun along a straight plane, like a disc on a record player. But … Continue reading

Posted in November 2016, Sidereal Times | Tagged , , , | Leave a comment

O, For a Dark Night Sky

by David J. Kaplan The city’s night sky Holds the moon aloft, A dim orb. Constellations—incomplete, The drinking gourd dismantled Cassiopeia banished. Orion dismembered. O, for a dark night sky, Which shimmers In both mind and eye. When meteors from … Continue reading

Posted in October 2016, Sidereal Times | Tagged | Leave a comment

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compiled by David Kaplan Rosetta Mission Ends With Spacecraft’s Dive Into Comet Rosetta, the first spacecraft to orbit a comet, is dead, setting down in a final embrace with its companion of the past two years. Radio signals from Rosetta … Continue reading

Posted in October 2016, Sidereal Times | Tagged , , , , | Leave a comment

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compiled by David Kaplan South African Telescope Spots 1,300 Unknown Galaxies. A patch of sky about as big as the full moon where the MeerKAT telescope discerned the radio glow of about 200 galaxies. Only a few (circled) had been … Continue reading

Posted in September 2016, Sidereal Times | Tagged , | Leave a comment