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2013-05-05 04:44:02 (1 comments, 1 reshares, 8 +1s)

2013-05-03 20:20:11 (2 comments, 1 reshares, 8 +1s)

2013-04-18 21:32:14 (1 comments, 5 reshares, 22 +1s)

2013-04-11 20:05:41 (2 comments, 5 reshares, 23 +1s)

2013-03-29 20:28:53 (0 comments, 2 reshares, 14 +1s)

2013-03-10 07:14:01 (0 comments, 3 reshares, 17 +1s)

2013-03-02 07:31:27 (0 comments, 1 reshares, 15 +1s)

2013-02-14 19:43:37 (0 comments, 0 reshares, 3 +1s)

My second video for Scientific American is live! This month, it's the story of how NASA's first great triumph nearly became it's first great disaster when it looked like John Glenn's landing bag had deployed in orbit.

Trouble with Glenn's Heat Shield - It Happened in Space

2013-02-14 19:43:17 (1 comments, 0 reshares, 8 +1s)

Eye-Popping Interactive Panorama from the Curiosity Rover

There’s an incredible new interactive panorama from the latest Curiosity rover’s self-portrait and surroundings at the “John Klein” drilling site. It was put together by photographer Andrew Bodrov and combines the recent self-portrait and other images to create a full 360-degree panorama created from hundreds of images. The mosaic stretches about 30,000 pixels width.


See the interactive pan here; http://www.360cities.net/image/mars-panorama-curiosity-solar-day-177#-57.74,57.01,68.1

Read our article about it here: http://www.universetoday.com/99943/eye-popping-interactive-panorama-from-the-curiosity-rover/#

2013-02-14 02:00:52 (0 comments, 8 reshares, 22 +1s)

The guardian of the tree

2013-02-12 00:50:01 (0 comments, 1 reshares, 7 +1s)

2013-02-04 02:32:55 (0 comments, 3 reshares, 15 +1s)

2013-02-03 22:36:28 (0 comments, 7 reshares, 17 +1s)

2013-01-29 05:00:47 (1 comments, 8 reshares, 19 +1s)

2013-01-27 04:32:50 (1 comments, 1 reshares, 9 +1s)

2013-01-27 04:05:28 (0 comments, 1 reshares, 5 +1s)

2013-01-27 00:37:00 (0 comments, 0 reshares, 1 +1s)

2013-01-26 02:03:51 (1 comments, 1 reshares, 5 +1s)

2013-01-23 07:01:46 (0 comments, 2 reshares, 5 +1s)

2013-01-22 05:51:03 (4 comments, 2 reshares, 10 +1s)

2013-01-22 05:50:39 (0 comments, 1 reshares, 6 +1s)

2013-01-18 22:08:14 (0 comments, 2 reshares, 14 +1s)

Mars One is a private company with a plan to take humanity to Mars and establish first permanent settlement there in 2023. But does the story add up? I don’t think so.   
شرکت مارس وان در نظر دارد در سال 2023 اولین گروه از زمینی های را برای اقامتی دایم به مریخ بفرستد اما این داستان ممکن است واقعیت پیدا کند؟ 

2013-01-13 02:19:03 (0 comments, 0 reshares, 8 +1s)

2013-01-10 20:10:25 (0 comments, 1 reshares, 11 +1s)

2013-01-05 21:50:10 (0 comments, 1 reshares, 2 +1s)

2013-01-05 21:29:19 (0 comments, 0 reshares, 7 +1s)

2013-01-02 19:55:56 (3 comments, 3 reshares, 15 +1s)

2012-12-24 21:52:20 (0 comments, 1 reshares, 5 +1s)

#BAFact: The amount of energy the Sun emits in one second is enough to run the entire world for almost a million years.

The Sun is pretty freakin' colossal. The energy it emits is nothing short of mind-numbing.

In a single second, it blasts out about 4 x 10^26 Joules of energy - that's 400,000,000,000,000,000,000,000,000 Joules! 

I know, a Joule is a weird unit. But we can compare it to how much energy we humans use here on Earth. The world's consumption of energy in 2008 was 4.7 x 10^20 Joules (via Wikipedia: http://en.wikipedia.org/wiki/World_energy_consumption). 

Dividing the two, we see that in one second the Sun emits almost a million times as much energy as our whole planet consumes in an entire year.

So yeah. The Sun is awesome.

[Image: NASA/SDO]

2012-12-24 21:49:22 (0 comments, 0 reshares, 8 +1s)

Two great books about Hubble and JWST. They designed for Ipad but you can download them as PDF version too (both versions are free). Check the http://hubblesite.org/ibooks/

2012-12-23 05:27:56 (0 comments, 5 reshares, 13 +1s)

2012-12-20 00:19:32 (0 comments, 3 reshares, 12 +1s)

2012-12-16 20:03:46 (0 comments, 0 reshares, 4 +1s)

آقا خلاصه ما نفهمیدیم جهان سه روز تاریک می شود یا نه؟ لطفا واضح بگین. من عجله دارم.

2012-12-14 22:25:21 (1 comments, 2 reshares, 13 +1s)

2012-11-27 22:42:27 (0 comments, 2 reshares, 12 +1s)

2012-11-26 03:37:54 (0 comments, 1 reshares, 3 +1s)

2012-11-23 04:08:08 (1 comments, 4 reshares, 13 +1s)

2012-11-21 22:48:56 (2 comments, 1 reshares, 9 +1s)

کنجکاوی در مریخ چه پیدا کرده است؟ جان گراتزینگر، مسوول ارشد بخش علمی مریخ نورد کنجکاوی در گفتگویی با NPR از یافته بی نظیر آزمایش SAM خبر داده که می تواند به کشفی تاریخی بدل شود. اما این کشف چیست؟ فعلا آنها چیزی نمی گویند تا از صحت آن اطمینان پیدا کنند.

2012-11-20 04:56:16 (2 comments, 3 reshares, 11 +1s)

2012-11-17 21:13:44 (2 comments, 2 reshares, 7 +1s)

2012-11-17 01:51:17 (0 comments, 0 reshares, 2 +1s)

http://pillownaut.blogspot.ca/2012/11/science-action-figures.html

" Little pal of my kid: "What is that?"
My kid: "Action figure." 
Little pal: "Of who?"
My kid: "Neil deGrasse Tyson!"  "

2012-11-12 04:21:19 (0 comments, 1 reshares, 5 +1s)

2012-11-09 18:53:39 (0 comments, 0 reshares, 11 +1s)

2012-11-07 02:34:36 (0 comments, 0 reshares, 0 +1s)

Follow election results on Google politics. President, Senate, and Congress, results by state.

2012-11-06 21:55:29 (0 comments, 1 reshares, 3 +1s)

2012-11-06 07:24:53 (0 comments, 2 reshares, 7 +1s)

2012-11-05 22:49:44 (0 comments, 1 reshares, 8 +1s)

2012-11-05 04:04:49 (0 comments, 0 reshares, 6 +1s)

2012-10-28 17:00:49 (0 comments, 0 reshares, 7 +1s)

2012-10-27 18:56:55 (0 comments, 4 reshares, 14 +1s)

2012-10-18 17:00:55 (3 comments, 9 reshares, 22 +1s)

این یادداشتی درباره پرش به یادماندنی و هیجان انگیز فلیکس بامگارتنر است پرشی که نفس بسیاری را در سنه حبس کرد. در بخش دوم این یادداشت نگاهی به برخی از ادعاهای مربوط به این سفر انداخته شده است
Review and Fact Checking of Red Bull Stratos Project