A New Look at the Crab Nebula

From Sky and Telescope

A new Hubble Space Telescope image shows the very heart of the Crab Nebula, one of the most studied supernova remnants.

This image shows the very heart of the Crab Nebula including the central neutron star — it is the rightmost of the two bright stars near the center-right of this image. The rapid motion of the material nearest to the central star is revealed by the subtle rainbow of colors in this time-lapse image, the rainbow effect being due to the movement of material over the time between one image and another. NASA, ESA

This image shows the very heart of the Crab Nebula including the central neutron star — it is the rightmost of the two bright stars near the center-right of this image.
The rapid motion of the material nearest to the central star is revealed by the subtle rainbow of colors in this time-lapse image, the rainbow effect being due to the movement of material over the time between one image and another.
NASA, ESA

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In A.D. 1054, Chinese and Japanese astronomers first observed a new star in the sky. Second only to the moon in brightness, the new object turned out to be the Crab Nebula. The Crab Nebula, a supernova remnant, has been well-studied over the years and is one of the most recognizable deep-sky objects.

But thanks to the Hubble Space Telescope’s sharp eye, we can look at the supernova remnant in a way never before seen. Technicians combined three high-resolution HST images that used two different kinds of filters (606nm and 550nm) and were taken about ten years apart.

Many popular images of this object highlight the dazzling filaments in the outer regions, but this new look shows just the inner part of the nebula, revealing what’s left of the original star. This mysterious object is known as a neutron star. Made entirely of neutrons (hence the name), it has the same mass as the Sun. Yet all of that mass is compressed into a sphere only a few tens of kilometers across. A neutron star is so dense that single teaspoon of its matter would weigh as much as a mountain!

Hubble also captured the complex details of the ionized gas, shown in red, that form an intricate mélange of cavities and filaments around the edges of this image. A ghostly blue glow surrounds the spinning neutron star — which rotates approximately 30 times per second — deep within the shell of ionized gas. The subtle rainbow effect seen in this composite image is due to the rapid motion of the material nearest the star in the time-lapse between one image and another.

The Crab Nebula lies 6,500 light-years away in the Taurus constellation. Its long observation history has made it a valuable object to study supernova remnants and has enabled astronomers to probe the lives and deaths of stars.

Provisional Speculative Fiction Top 5 of 2016

 Time flies and we’re already past the halfway point of the year! Here are the top 5 speculative fiction novels published in 2016 I’ve read so far! =) Click on each title to read my review. . .

1- Children of Earth and Sky by Guy Gavriel Kay (Canada, USA, Europe)

2- The Wolf in the Attic by Paul Kearney (Canada, USA, Europe)

3- The Great Ordeal by R. Scott Bakker (Canada, USA, Europe)

4- Javelin Rain by Myke Cole (Canada, USA, Europe)

5- The Wheel of Osheim by Mark Lawrence (Canada, USA, Europe)

Kobo Canada sponsors prize for Aurora Award voters

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We would like to announce that CSFFA and the Aurora awards have a special new sponsor.  We are pleased to announce that Kobo Canada is now sponsoring a prize of a free Kobo e-reader for a 2016 CSFFA member who votes for this year’s awards.

We would like to thank Mark Lefebvre, Director, Self-Publishing & Author Relations with Kobo Canada (Mark Leslie for his readers) who has arranged for this wonderful prize.  Mark will draw the winning name at When Words Collide in Calgary at the Guest of Honour Keynote speeches, Friday night, August 12th at 7pm.  When Words Collide / Canvention 36, www.whenwordscollide.org.

All members of CSFFA who vote for this year’s awards will be automatically entered into the draw.  If you do not wish to be included into the draw please email us.  You do not have to be in attendance at the draw to win.

Weather Forecast Good, MonSFFA Summer BBQ is a “Go” for Today!

NEXT CLUB EVENT IS  TODAY!

SUNDAY, JULY 17

MonSFFA’s Summer Barbecue-in-the-Park

10:30AM-4:30PM; Parc Angrignon, Lasalle (Angrignon Metro)

All Club Members, their Families and Friends Invited!

Bring your Own Food and Drink; Club will Supply Cooking Grill.

MonSFFA has scheduled its traditional summer Barbecue-in-the Park this year for Sunday, July 17, and the weather forecast looks good: sunny with some cloudy periods, temperatures in the mid- to high-20s, slight breeze, and no rain expected!

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We’ll gather at about 10:30-11:00AM under or nearby our usual stand of trees in  Parc Angrignon, Lasalle (Angrignon Metro). You’ll find us behind the Metro/bus station and just a short walk from the parking lot adjacent the now-shuttered “Farm”, or petting zoo (see map, below).

Bring your own food and drink; MonSFFA  will supply a small cooking grill. We usually commandeer a couple of picnic tables for the day, but you may wish to cart along a folding chair of your own, or a picnic blanket, and perhaps a card or board game, ball, or Frisbee. And don’t forget your sunscreen!

The printed version of Warp 95 will be available for distribution at this club event.

Do join us today for a pleasant afternoon of easy conversation, refreshing drink, and tasty food amongst fine company!

HERE’S A MAP TO THE BBQ SITE…

BigBBQMap

WARP 95 now on line

MonSFFA’s zine, WARP 95, is now available on line.  As usual, the Table of Contents is linked to the articles, and clicking the little icons will take you back to the ToC. There are links to extra content as well, some of which is restricted to our membership.

LIke our zine? Come meet the MonSFFen on the 17th when we have our annual picnic in the park:
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10:30AM-4:30PM; Parc Angrignon, Lasalle (Angrignon Metro)

Beautiful Libraries

Library2-1024x521 Heast_Castle_library_p1080553 Hearst-Castle-Library-4 7748240984_fa63d2f89f_o

Stanford Walk I'll meet you all at The Oval on Thursday at 4 PM.  There is ONE bit of bad news.  There was going to be a talk afterward at 5:30 PM, but it looks like the auditorium at Stanford fell through.  This was a surprise to me too - so, my apologies... however, the walk is still on and I look forward to meeting y'all. As a bonus, I'll be giving away a lot of Smugmug goodies!  So be sure to come with room to take home something special! Topaz Detail Review Topaz Detail just upgraded their cool software.  I have written a quick Topaz Detail Review, which I will add to more in coming weeks.  It's a really nice and fun program - I invite you to check it out! Daily Photo - The Gothic Study Note this is the "small" library.  I'll post the main library in a few weeks! As always, you can zoom in to see the details by clicking through.  The details are quite incredible, and I am sure you will delight in seeing the closeups of the hand-carved wooden arches and the painted Spanish ceilings...  it was all amazing!  If you look closely at the full res version towards the middle, you can see a portrait of WR Hearst when he was 31-years-old. from Trey Ratcliff at www.stuckincustoms.com

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Stitched Panorama
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The Night Sky this week

From Sky and Telescope, what to look for when you look up.

This Week’s Sky at a Glance, July 15 – 23

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Moon over Mars, Saturn, and Antares, July 14-16, 2016

The waxing gibbous Moon shines over Mars, Saturn, and Antares at dusk. (These scenes are always drawn for the middle of North America. European observers: move each Moon symbol a quarter of the way toward the one for the previous date. For clarity, the Moon is shown three times actual size.)

Friday, July 15

• Look south during and after twilight. The Moon, Saturn, and Antares form a roughly vertical stack there, as shown above. Mars blazes off to their right. Watch them all tilt westward until they set around 2 to 3 a.m.

Saturday, July 16

Venus-Mercury conjunction challenge: About 15 minutes after sunset, use binoculars to look for Venus just above the west-northwest horizon — with fainter Mercury only ½° above it. Venus is currently magnitude –3.9, and Mercury is –1.0, so you may be able to detect at least Venus naked-eye once you locate them in binoculars. Good luck.

Sunday, July 17

• Right after dark, the bright waxing gibbous Moon stands over the top of the Sagittarius Teapot, which rests nearly level. Can you see it through the moonlight? Shield your eyes from the Moon itself. The Teapot is about the size of your fist at arm’s length, with its handle to the left and its spout to the right.

Monday, July 18

• Arcturus shines as the brightest star high in the west these evenings, pale yellow-orange. The kite pattern of its constellation, Bootes, extends upper right from it. Off to Arcturus’s right in the northwest glitters the Big Dipper.

Tuesday, July 19

• Full Moon (exact at 6:57 p.m. EDT). The Moon rises around sunset. As the Moon climbs higher and the stars come out, look for Altair high to its upper left.

Wednesday, July 20

• We’re only a third of the way through summer, but already W-shaped Cassiopeia, a constellation of fall and winter evenings, is climbing up in the north-northeast as evening grows late. And the Great Square of Pegasus, emblem of fall, comes up to balance on one corner just over the eastern horizon.

Thursday, July 21

• The tail of Scorpius lies low due south right after dark. How low depends on how far north or south you live: the farther south, the higher. Look for the two stars especially close together in the tail. These are Lambda and fainter Upsilon Scorpii, known as the Cat’s Eyes. They’re canted at an angle; the cat is tilting his head and winking.

The Cat’s Eyes point west (right) by nearly a fist-width toward Mu Scorpii, a much tighter pair known as the Little Cat’s Eyes. It takes very sharp vision to resolve Mu without using binoculars.

Friday, July 22

• Starry Scorpius is sometimes called “the Orion of Summer” for its brightness, its blue giants, and its prominent red supergiant (Antares in the case of Scorpius, Betelgeuse for Orion). But Scorpius is a lot lower in the south for those of us at mid-northern latitudes. That means it has only one really good evening month: July. Catch Scorpius due south just after dark now, before it starts to tilt lower toward the southwest. It’s full of deep-sky objects for binoculars and telescopes. Not to mention Mars and Saturn now nearby!

Saturday, July 23

• After nightfall, Altair shines in the east-southeast. It’s the second-brightest star on the southeastern side of the sky, after Vega high to its upper left. Above Altair by a finger-width at arm’s length is its sidekick, little orange Tarazed. And a bit more than a fist-width lower left of Altair, little Delphinus, the Dolphin, leaps away from it.

Local Sensors Detect…

From the Montreal Gazette, July 16

Bizarro

‘FOR THE LOVE’ OF HIS FATHER
For Adam Nimoy, making Spock doc was ‘nice way to share the mourning’

Adam Nimoy has been a busy man since his father died. For most people, the passing of a parent might put life on hold for a while; but for the son of Spock, it simply increased the pressure to complete a project begun just a couple of months before Leonard Nimoy’s death Feb. 27, 2015, at the age of 83.

FANTASIA. Adam Nimoy on the set of the original Star Trek TV series with his father, Leonard Nimoy. Adam Nimoy will be in attendance at a Saturday screening of his documentary, For the Love of Spock, as part of the Fantasia International Film Festival.

For the Love of Spock is a revealing documentary about the elder Nimoy and the character he made famous. Just in time for Star Trek’s 50th anniversary, director Adam Nimoy stops at the Fantasia International Film Festival on Saturday to present his insider’s take on one of the most affectionately revered characters of 20th-century pop culture.

“I’ve been travelling all over the country,” Nimoy said, on the phone from his L.A. home, Thursday morning. “Soon I’ll be going all over the world to screen the film at festivals like Fantasia; at conventions in Las Vegas, where there’s a Star Trek weekend for the 50th anniversary of the (TV) series. I’ll be going to New York City; to (Spain’s) Sitges Film Festival in October; to a convention in Birmingham, in the U.K.

Continue reading Local Sensors Detect…

The world’s largest radio telescope has just been completed

From Astronomy Magazine:

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China’s 30-soccer-field-wide radio telescope will start the hunt for extraterrestrials.
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The world’s largest radio telescope, FAST

E.T. may be easier to find now that China has just finished installation of the 4,450 triangular panels on the world’s largest radio telescope, the Five Hundred Meter Aperture Spherical Telescope (FAST). The telescope was finished nearly three months ahead of schedule, with the original ETA in September. With its enormous size of 30 soccer fields, FAST has taken nearly five years and $180 million to build.

So how big is it? One of the scientists that worked on building FAST told Xinhua that if the dish were to be completely filled with wine, there would be enough to give five bottles to all seven billion people on Earth.

READ MORE

Update on Hugo voting proposals

Worth a read, if interested in proposed changes in Hugo voting, specifically, how votes are tallied. A lot of work going into keeping puppies off the ballots. It’s sad, indeed. But because scar tissue is not elastic, or stretchy, but rather hard, it stays put while other parts of the penis order generic levitra engorge, resulting in curvature or severe bending. Natural modify is viagra 5mg usually a single of the main motives. Schools and instructors are qualified and regulated and trained in the most current techniques for teaching driving levitra 100mg pills safety. All over the world people are talking about health that doesn’t means, these foods would taste buy cialis look these up like medicine. Wish I could afford to be at World Con this year. Don’t know if I can sit at a computer long enough to follow the Business Meeting  debates on line.

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