YES! YES!!! OH MY- Now, Time To Fix This One

YES! YES!!! OH MY- Now, Time To Fix This One

YES! YES!!! OH MY- now, time to fix this one

More Posts from Tres-4b-blog and Others

6 years ago

Rocket Lab successfully launched the STP-27RD mission on Electron from Launch Complex 1 | Highlights


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6 years ago
Need A Cheat Sheet For The Astrological Symbols? Here’s One!

need a cheat sheet for the astrological symbols? here’s one!


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5 years ago
Close Up Of Space Shuttle Atlantis Docked To The ISS. 🚀✨

Close up of Space Shuttle Atlantis docked to the ISS. 🚀✨


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6 years ago
Planet Rotation Periods & Axial Tilts

Planet Rotation Periods & Axial Tilts


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6 years ago
tres-4b-blog - ✰

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6 years ago

2019 May 6

Virtual Flyby of the Whirlpool Galaxy Video Credit: F. Summers, J. DePasquale, and D. Player (STScI); Music: Into the Wormhole (Jingle Punks via Youtube)

Explanation: What would it look like to fly over a spiral galaxy? To help visualize this, astronomers and animators at the Space Telescope Science Institute computed a virtual flyby of the Whirlpool Galaxy (M51) using data and images from the Hubble Space Telescope. At only 25 million light years distant and fully 50 thousand light years across, the Whirlpool is one of the brightest and most picturesque galaxies on the sky. Visible during the virtual flyby are spiral arms dominated by young blue stars, older lighter-colored stars, dark lanes of dust, and bright red emission nebulae. Many galaxies far in the distance can be seen right through M51. The visualization should be considered a time-lapse, because otherwise the speed of the virtual camera would need to be very near the speed of light.

∞ Source: apod.nasa.gov/apod/ap190506.html


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6 years ago
Why Do People Do That?

why do people do that?


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5 years ago
Not Only Didn’t We Find Water On An Earth-Like Exoplanet, But We Can’t With Current Technology
Not Only Didn’t We Find Water On An Earth-Like Exoplanet, But We Can’t With Current Technology
Not Only Didn’t We Find Water On An Earth-Like Exoplanet, But We Can’t With Current Technology
Not Only Didn’t We Find Water On An Earth-Like Exoplanet, But We Can’t With Current Technology
Not Only Didn’t We Find Water On An Earth-Like Exoplanet, But We Can’t With Current Technology
Not Only Didn’t We Find Water On An Earth-Like Exoplanet, But We Can’t With Current Technology
Not Only Didn’t We Find Water On An Earth-Like Exoplanet, But We Can’t With Current Technology
Not Only Didn’t We Find Water On An Earth-Like Exoplanet, But We Can’t With Current Technology
Not Only Didn’t We Find Water On An Earth-Like Exoplanet, But We Can’t With Current Technology
Not Only Didn’t We Find Water On An Earth-Like Exoplanet, But We Can’t With Current Technology

Not Only Didn’t We Find Water On An Earth-Like Exoplanet, But We Can’t With Current Technology

“Over the past few decades, astronomers have uncovered thousands of new exoplanets. Some of them are rocky; some are temperate; some have water. However, the idea that exoplanet K2-18b is rocky, Earth-like, and has liquid water is absurd, despite recent headlines. Light filters through K2-18b’s atmosphere when it passes in front of its star, enabling us to measure what’s absorbed. Based on those absorption lines, the presence of many chemicals can be inferred, including water. K2-18b is, truly, the first known habitable-zone exoplanet to contain water. However, it is not rocky; its mass and radius are too large, necessitating a large gas envelope around it.”

How incredible was that report that came out last week: the first Earth-like, rocky exoplanet with liquid water on its surface has been discovered! If it were true, it would be incredible. Well, what we did find is still pretty remarkable, but it’s very different from what you’ve likely heard.

We did find water on the exoplanet in question, K2-18b, but only in the vapor phase and only in the atmosphere.

The exoplanet is closer to Earth in terms of mass and radius than any other with water on it, but the planet is still too massive and large to be rocky. It must have an envelope of hydrogen and helium, and both have had their presence detected.

If we want to find atmospheric biosignatures around Earth-like worlds, we need better observatories. Let’s build them! Here’s the real story.


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5 years ago
“Somewhere, Something Incredible Is Waiting To Be Known.”

“Somewhere, something incredible is waiting to be known.”

—Carl Sagan


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astronomy mixed with nostalgia and future

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