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Bob KingArticles: 409 results from the past year. For older articles, see advanced options.
Astro Bob blog: Leonid meteor shower strikes tonight and Tuesday
Last night I watched the Sickle of Leo the Lion appear in the eastern sky around midnight, a reminder that tomorrow morning (Nov. 17) marks the peak of the annual Leonid meteor shower.
Friday, November, 16, 2012 - Duluth News Tribune - News
Last night I watched the Sickle of Leo the Lion appear in the eastern sky around midnight, a reminder that tomorrow morning (Nov. 17) marks the peak of the annual Leonid meteor shower.
Friday, November, 16, 2012 - Duluth News Tribune - News
Astro Bob blog: Hyades star cluster - your portal into spacetime weirdness
Learn how that familiar V-shaped star cluster near the Pleiades helped us imagine how strange outer space really is.
Thursday, November, 15, 2012 - Duluth News Tribune - News
Learn how that familiar V-shaped star cluster near the Pleiades helped us imagine how strange outer space really is.
Thursday, November, 15, 2012 - Duluth News Tribune - News
Astro Bob blog: Aurora and eclipse - a sky alive!
I want to share a few pictures from the past 24 hours featuring two spectacular sky events - yesterday's down under total eclipse of the sun and last night's spectacular northern lights.
Wednesday, November, 14, 2012 - Duluth News Tribune - News
I want to share a few pictures from the past 24 hours featuring two spectacular sky events - yesterday's down under total eclipse of the sun and last night's spectacular northern lights.
Wednesday, November, 14, 2012 - Duluth News Tribune - News
Astro Bob blog: Surprise aurora blows up tonight Nov. 13-14
Woo-hoo! The aurora's almost out-competing the clouds tonight. As of 11 o'clock (CST) the northern sky was thick with bright, green haze and large, soft rays extending nearly to the zenith.
Wednesday, November, 14, 2012 - Duluth News Tribune - News
Woo-hoo! The aurora's almost out-competing the clouds tonight. As of 11 o'clock (CST) the northern sky was thick with bright, green haze and large, soft rays extending nearly to the zenith.
Wednesday, November, 14, 2012 - Duluth News Tribune - News
Astro Bob blog: Slip into the stream to watch today's solar eclipse
Heads up. This afternoon U.S. time, residents of northern Australia and countless tourists on land and sea will witness a total eclipse of the sun. You will too if you check out one of the live streaming sites in my blog today.
Tuesday, November, 13, 2012 - Duluth News Tribune - News
Heads up. This afternoon U.S. time, residents of northern Australia and countless tourists on land and sea will witness a total eclipse of the sun. You will too if you check out one of the live streaming sites in my blog today.
Tuesday, November, 13, 2012 - Duluth News Tribune - News
Astro Bob blog: Goldilocks planet HD 40307g finds the porridge "just right"
A newly discovered planet with 7 times the mass of Earth orbits in the habitable or "Goldilocks" zone around the star HD 40307 in the southern constellation Pictor the Easel. It's comfy enough for liquid water to form on its surface.
Monday, November, 12, 2012 - Duluth News Tribune - News
A newly discovered planet with 7 times the mass of Earth orbits in the habitable or "Goldilocks" zone around the star HD 40307 in the southern constellation Pictor the Easel. It's comfy enough for liquid water to form on its surface.
Monday, November, 12, 2012 - Duluth News Tribune - News
Astro Bob blog: NASA offers new user-friendly space station alerts
I've always joked with my community ed astronomy class students that one day I'd be replaced by a mobile phone app. The writing's on the wall.
Sunday, November, 11, 2012 - Duluth News Tribune - News
I've always joked with my community ed astronomy class students that one day I'd be replaced by a mobile phone app. The writing's on the wall.
Sunday, November, 11, 2012 - Duluth News Tribune - News
Astro Bob blog: Spiders crawl out of their holes as Mars celebrates spring
No birds twitter during Martian spring, but ice disappears and the landscape comes alive with spiders. Pleasant seasonal thoughts on a blustery November afternoon on Earth.
Saturday, November, 10, 2012 - Duluth News Tribune - News
No birds twitter during Martian spring, but ice disappears and the landscape comes alive with spiders. Pleasant seasonal thoughts on a blustery November afternoon on Earth.
Saturday, November, 10, 2012 - Duluth News Tribune - News
Astro Bob blog: Moon drops in on Venus, Saturn before Tuesday's solar eclipse
The moon's on a tight schedule. So many places, so little time. It glides past Venus Sunday morning, spends Monday near a new morning planet and eclipses the sun on Tues.-Weds. Whew!
Friday, November, 09, 2012 - Duluth News Tribune - News
The moon's on a tight schedule. So many places, so little time. It glides past Venus Sunday morning, spends Monday near a new morning planet and eclipses the sun on Tues.-Weds. Whew!
Friday, November, 09, 2012 - Duluth News Tribune - News
Astro Bob blog: NASA pings asteroid 2007 PA8; bright supernova pops in Great Barred Galaxy
Most asteroids look like stars in nearly every telescope because they're too small and too far away to register as anything more than dots. Radio waves are better at making pictures. And if you like watching stars blow up, there's a new supernova in a bright southern galaxy.
Thursday, November, 08, 2012 - Duluth News Tribune - News
Most asteroids look like stars in nearly every telescope because they're too small and too far away to register as anything more than dots. Radio waves are better at making pictures. And if you like watching stars blow up, there's a new supernova in a bright southern galaxy.
Thursday, November, 08, 2012 - Duluth News Tribune - News
Astro Bob blog: Farewell DST, hello Orion!
Since dropping Daylight Saving Time last weekend you've probably noticed how swiftly evening darkness descends. While part of me craves daylight, the change makes it a little easier to watch for Taurid meteors.
Wednesday, November, 07, 2012 - Duluth News Tribune - News
Since dropping Daylight Saving Time last weekend you've probably noticed how swiftly evening darkness descends. While part of me craves daylight, the change makes it a little easier to watch for Taurid meteors.
Wednesday, November, 07, 2012 - Duluth News Tribune - News
Astro Bob blog: Stars fall on Alabama, meteorite hunters find them in a flash
It's been 58 years since the last witnessed meteorite fell from Alabama skies. That one made a big impression. It was the first confirmed extraterrestrial object to injure a human being. The next one hit just last week.
Tuesday, November, 06, 2012 - Duluth News Tribune - News
It's been 58 years since the last witnessed meteorite fell from Alabama skies. That one made a big impression. It was the first confirmed extraterrestrial object to injure a human being. The next one hit just last week.
Tuesday, November, 06, 2012 - Duluth News Tribune - News
Astro Bob blog: Be your own spaceship, visit Vesta and Ceres this month
Would you like to pretend you're riding piggyback on NASA's Dawn mission hopping from the asteroid Vesta to its next target Ceres? All you need is a pair of 7x35 binoculars, a reasonably dark sky and a bit of imagination.
Monday, November, 05, 2012 - Duluth News Tribune - News
Would you like to pretend you're riding piggyback on NASA's Dawn mission hopping from the asteroid Vesta to its next target Ceres? All you need is a pair of 7x35 binoculars, a reasonably dark sky and a bit of imagination.
Monday, November, 05, 2012 - Duluth News Tribune - News
Astro Bob blog: Curiosity finds Mars may have lost much of its (h)air
Mars' atmosphere is 100 times thinner than Earth's and composed mostly of choking carbon dioxide. Curiosity made a most interesting discovery this week - it seems that the heavier versions of carbon in CO2 there is more common than its lighter cousin. Hmmmm ...
Sunday, November, 04, 2012 - Duluth News Tribune - News
Mars' atmosphere is 100 times thinner than Earth's and composed mostly of choking carbon dioxide. Curiosity made a most interesting discovery this week - it seems that the heavier versions of carbon in CO2 there is more common than its lighter cousin. Hmmmm ...
Sunday, November, 04, 2012 - Duluth News Tribune - News
Astro Bob blog: Whopper of a meteorite dug up in Poland
Polish meteorite hunters turned up 660 lb. hunk of iron from outer space 7 feet underground that's been hidden there since 3000 B.C.
Friday, November, 02, 2012 - Duluth News Tribune - News
Polish meteorite hunters turned up 660 lb. hunk of iron from outer space 7 feet underground that's been hidden there since 3000 B.C.
Friday, November, 02, 2012 - Duluth News Tribune - News
Astro Bob blog: Jupiter-moon main dish with a side salad of aurora tonight
Watch the Jupiter moon conjunction and maybe, just maybe, a bit of northern lights tonight.
Thursday, November, 01, 2012 - Duluth News Tribune - News
Watch the Jupiter moon conjunction and maybe, just maybe, a bit of northern lights tonight.
Thursday, November, 01, 2012 - Duluth News Tribune - News
Astro Bob blog: Is Earth under attack by Google Sky glitches?
Fun and scary things you'll bump into while zooming around Google's famous online, interactive sky atlas.
Wednesday, October, 31, 2012 - Duluth News Tribune - News
Fun and scary things you'll bump into while zooming around Google's famous online, interactive sky atlas.
Wednesday, October, 31, 2012 - Duluth News Tribune - News
Astro Bob blog: Waning moon stalks Jupiter as Halloween approaches
The moon creeps up on Jupiter the next few nights until making a splendid pairing the day after Halloween.
Tuesday, October, 30, 2012 - Duluth News Tribune - News
The moon creeps up on Jupiter the next few nights until making a splendid pairing the day after Halloween.
Tuesday, October, 30, 2012 - Duluth News Tribune - News
Astro Bob blog: Hurricane Sandy gets an unwanted boost from today's full moon
Sometimes astronomical events make a difference in our lives. Today's full moon will raise tides and increase Hurricane Sandy's destructive power.
Monday, October, 29, 2012 - Duluth News Tribune - News
Sometimes astronomical events make a difference in our lives. Today's full moon will raise tides and increase Hurricane Sandy's destructive power.
Monday, October, 29, 2012 - Duluth News Tribune - News
Astro Bob blog: Paparazzi Curiosity snaps photos of Martian rock stars
Take a look at some of the crazy, cool rocks the rover sees while its chem lab analyzes the latest soil sample.
Sunday, October, 28, 2012 - Duluth News Tribune - News
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Take a look at some of the crazy, cool rocks the rover sees while its chem lab analyzes the latest soil sample.
Sunday, October, 28, 2012 - Duluth News Tribune - News
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