Instant Universe

we-are-star-stuff:

Huge Rock Crashes Into Moon, Sparks Giant Explosion

If you were looking up at the Moon on March 17, 2013 at 03:50:55 UTC, you might have seen one of the brightest “lunar flashes” ever witnessed. And it would have been visible with just the naked eye.

“On March 17, 2013, an object about the size of a small boulder hit the lunar surface in Mare Imbrium,” says Bill Cooke of NASA’s Meteoroid Environment Office. “It exploded in a flash nearly 10 times as bright as anything we’ve ever seen before.”

The scientists estimate that the flash came from a 40 kg meteoroid measuring 0.3 to 0.4 meters wide hitting the Moon, likely traveling about 90,000 km/hr (56,000 mph.) The resulting explosion packed as much punch as 5 tons of TNT.

Lunar meteors hit the ground with so much kinetic energy that they don’t require an oxygen atmosphere to create a visible explosion. The flash of light comes not from combustion but rather from the thermal glow of molten rock and hot vapors at the impact site.

When researchers looked back at their records from March, they found that the moon meteor might not have been an isolated event.

“On the night of March 17, NASA and University of Western Ontario all-sky cameras picked up an unusual number of deep-penetrating meteors right here on Earth” said Cooke. “These fireballs were traveling along nearly identical orbits between Earth and the asteroid belt.”

Though Earth’s atmosphere protected our planet’s surface from being hit by these meteors, the moon has no such luck. Its lack of an atmosphere exposes it to all incoming space rocks, and the NASA monitoring program has spotted more than 300 meteor strikes that reached its surface since 2005.

Part of the motivation for the program is NASA’s eventual intent to send astronauts back to the moon. When they arrive, they’ll need to know how often meteors impact the surface, and whether certain parts of the year, coinciding with the moon’s passage through crowded bits of the solar system, pose special dangers.

“We’ll be keeping an eye out for signs of a repeat performance next year when the Earth-Moon system passes through the same region of space,” Cooke said. “Meanwhile, our analysis of the March 17th event continues.”

The scientists also hope to use NASA’s Lunar Reconnaissance Orbiter to photograph the impact site to learn more about how the crash occurred.

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ikenbot:

Star Trek: Into Whiteness

If there’s one thing that most fans of Star Trek will agree on, it’s the fact that Gene Roddenberry’s vision for the show — and, more optimistically, for human society — was predicated on the idea that all life is valuable, and that the worth of a person should not be judged by their appearance. Much of this was done through the old sci-fi trope of using aliens to stand in for oppressed groups, but Star Trek didn’t rely on the metaphor; it had characters who were part of the ensemble, important and beloved members of the Enterprise crew, who were people of colour. It had background characters who were people of colour. And, here and there, it had anti-heroes and villains who were people of colour … one of whom, Khan Noonian Singh, became well-nigh iconic.

Image 1: “Who is your favorite villain?” ; Actor John Cho (Lt Sulu) answers.

Image 2: TOS Khan looking at a watercolor of himself. Yes, he’s wearing a dastar (Sikh turban)

Image 3: Cumberbatch and Montalbán (as Khan)

And who is now being played by white actor Benedict Cumberbatch in the new JJ Abrams reboot movie, Star Trek: Into Darkness.

We’re all cynical and jaded enough to know the standard dismissal when it comes to matters of media representation: Paramount Pictures and most film studios are not interested in diversity or visibility, they only care about the bottom dollar. Star Trek as a franchise is too much of a juggernaut to affect with boycotts. There are too many people who love it, who love those characters and that world, and will go to see the movie. And for some of these people, this devotion to the idea of a future where even South and East Asian men get to pilot a starship and love swashbuckling, where Black women make Lieutenant on the Enterprise and actually get the boy, will be trivialized and eroded and whitewashed when the most formidable and complex Star Trek baddie becomes a white man named Khan.

It wasn’t perfect in the 60s when Ricardo Montalbán was cast to play Khan (a character explicitly described in the episode script of Space Seed as being Sikh, from the Northern regions of India). But considering all of the barriers to representation that Roddenberry faced from the television networks, having a brown-skinned man play a brown character was a hard-won victory. It’s disappointing and demoralizing that with the commercial power of Star Trek in his hands, JJ Abrams chose not to honour the original spirit of the show, or the symbolic heft of the Khan character, but to wield the whitewash brush for … what? The hopes that casting Benedict Cumberbatch would draw in a few more box office returns? It’s doubly disappointing when you consider that Abrams was a creator of the television show Lost, which had so many well-rounded and beloved characters of colour in it.

Add to this the secrecy prior to release around Cumberbatch’s role in the film, and what seems like a casting move that would typically be defended by cries of “best actor for the job, not racism” becomes something more cunning, more malicious. Yes, the obfuscation creates intrigue around and interest in the role, but it also prevents advocacy groups like Racebending.com from building campaigns to protest the whitewashing. This happened with the character of the Mandarin in Iron Man 3, as well as ‘Miranda Tate’ in The Dark Knight Rises, who ended up being Talia al Ghul but played by French actress Marion Cotillard. This practice is well in effect in Hollywood; and after the negative press that was generated by angry anti-oppression activists and fans when Paramount had The Last Airbender in the works, studios are wising up. They don’t want their racist practices to be called out, pointed at, and exposed before their movies are released — Airbender proved that these protests create enough bad feeling to affect their bottom line.

So the studio has now found a way to keep it secret and underhanded. Racebending.com was there for most of the production of The Last Airbender, and were even able to correspond with Paramount Pictures about it. This time, for Star Trek: Into Darkness, their hiding and opaque practices has managed to silence media watchdogs until the movie’s premiere.

As I said, this racist whitewashing of the character of Khan won’t affect how much money this Trek movie makes. And I’m happy that the franchise is popular, still popular enough to warrant not only a big-budget reboot with fantastic actors but also a sequel with that cast. I’m happy that actors I enjoy like Zoë Saldaña and John Cho are playing characters who mean so much to me, and that they, in respect for the groundbreaking contributions by Nichelle Nichols and George Takei in these roles, have paid homage to that past.

But all of that will be marred by having my own skin edited out, rendered worthless and silent and invisible when a South Asian man is portrayed by Benedict Cumberbatch up on that screen. In the original Trek, Khan, with his brown skin, was an Übermensch, intellectually and physically perfect, possessed of such charisma and drive that despite his efforts to gain control of the Enterprise, Captain Kirk (and many of the other officers) felt admiration for him.

And that’s why the role has been taken away from actors of colour and given to a white man. Racebending.com has always pointed out that villains are generally played by people with darker skin, and that’s true … unless the villain is one with intelligence, depth, complexity. One who garners sympathy from the audience, or if not sympathy, then — as from Kirk — grudging admiration. What this new Trek movie tells us, what JJ Abrams is telling us, is that no brown-skinned man can accomplish all that. That only by having Khan played by a white actor can the audience engage with and feel for him, believe that he’s smart and capable and a match for our Enterprise crew.

What an enormous and horribly ironic step backwards. For Star Trek, for media representation, and for the vision of a future where we have transcended systemic, racist erasure.

(via RaceBending)

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