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Bad Astronomy | Odds of an astroid impact from Bennu are very low until at least 2300

The asteroid Bennu has only a 1 in 1750 chance of an Earth impact through the year 2300.

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Bad Astronomy | Red dwarf superflares may not sterilize their planets

Red dwarfs undergo powerful superflares, but a new study shows this may not sterilize their planets as previously thought.

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Bad Astronomy | Hubble image of barred spiral galaxy NGC 4394

The barred spiral galaxy NGC 4394 is captured in a truly gorgeous Hubble image

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Bad Astronomy | Hubble photos show the Stingray Nebula is fading fast

The Stingray Nebula was born very recently and is now is fading rapidly.

Australia , Australians , M-guerrero-instituto , B-balick-university-of-washington , Indigenous-australians , Stingray-nebula , Instituto-de-astrofi , Universidad-de-guadalajara , White-dwarfs , Planetary-nebulae , Crash-course-astronomy

Bad Astronomy | Huge Chinese radio telescopes spots hundreds of pulsars


Video of Neutron Stars: Crash Course Astronomy #32
FAST is so big it's sensitive to fainter pulsars than have ever been seen before. The survey scans the plane of the Milky Way to look for them — high mass stars that explode as supernovae and form neutron stars tend to be pretty much right along the disk of the galaxy. We are inside the galaxy, so we see this disk as a thick line across the sky (called, confusingly, the Milky Way) and so that's the best place to look for pulsars.
Video of Animation of a spinning pulsar
It found some interesting ones, too. 40 of the new found pulsars are what we call millisecond pulsars, spinning faster than about 300 times per second.

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Bad Astronomy | Dust cloud vdB 31 illuminated by AB Aurigae


When stars die, sometimes after billions of years of creating energy and light in their cores, they can bloat up into swollen red giants, enormous and luminous objects. Silicon and carbon in their upper layers can blow out into the space around them, cooling and condensing into grains of material astronomers call
dust.
The galaxy is littered with dense clouds of dust, blocking our view of stars behind them due to their opacity. They can appear brown or black, like holes in space, dark and forbidding.
But dust also appears in clouds where stars are being born, and sometimes these infant stars are massive and blue, sending out vast amounts of energy into their birth nebula. And when they do the dust around them reflects that light, sending some of it Earthward, and we see those clouds not as voids but as lustrous, cerulean, even gossamer cosmic threads.

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Bad Astronomy | A magnetar distance has been directly measured for the first time

Scientists have directly measured the distance to a magnetar for the first time.

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Bad Astronomy | Hubble photo of Arp 256, a pair of colliding galaxies

A gorgeous Hubble image of two colliding galaxies, called Arp 256.

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Bad Astronomy | Neutron stars may be bigger than thought before

New experiments measuring the size of lead nuclei show neutron stars may be bigger than previously thought.

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Bad Astronomy | The Universe is smoother than expected according to new sky survey

The Dark Energy Survey's results after three years show the distribution of galaxies in the Universe is smoother than expected.

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