The First Star Whose Diameter Was Measured

On this day in 1920 the star Betelgeuse became the first to have its angular diameter measured. Betelgeuse is the second brightest star in the constellation Orion and is nearly 1000 times larger than our Sun. It is one of the largest and brightest known stars, emitting more light than 100,000 Suns. Because of its extreme size the star will soon collapse in a supernova, even though it is young for a star at only a few million years old.
Betelguese
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Edwin Hubble’s Birthday – Quote on Positive Science

Edwin Hubble was born on this day in 1889. He would go on to become an accomplished astronomer who made crucial contributions to extra-galactic astronomy and cosmology. He showed that galaxies further from Earth were receding away from us faster than closer galaxies, which implied that our universe is expanding.
The Hubble Space Telescope was named in his honor.

Edwin Hubble Quote Positive Science

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The Luna 16 Spacecraft

On this day in 1970 the Soviet spacecraft Luna 16 was launched. It was the first robotic probe to successfully land on the moon and return lunar soil samples to Earth. Five previous attempts to accomplish the task had failed. This was also the date in 1962 when U.S. President John F Kennedy gave his famous speech announcing that the United States would attempt to land humans on the moon before the end of the decade.

Luna 16

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Viking 2 Spacecraft Lander – On This Day in 1976

On this day in 1976 the Viking 2 spacecraft lander touched down on Mars and began sending back photos of the red planet to earth. The lander operated on the surface for 1316 days testing soil and searching for life. The orbiter returned almost 16,000 images to earth before it broke down.

Learn more about the Viking missions here –> http://www.nasa.gov/mission_pages/viking

Viking 2 Mars Landscape

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What Did We Learn from Apollo 11?

The anniversary of Apollo 11’s landing on the moon is this week!

What kind of scientific knowledge did we gain from the mission?

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Galileo Vs Authority Design and Sale

Galileo was all too familiar with what can happen when reason and evidence are suppressed by authorities who want to control our perceptions of truth. Science cannot truly flourish and real progress cannot be made unless such authorities are challenged when they stand in the way. This design celebrating Galileo’s achievements and his rebellious nature is one of many available in our online store. Everything is now on sale to commemorate the anniversary of his sentencing —> http://punkrockscientist.storenvy.com/

And if you’d like to learn more about Galileo’s discoveries and his scientific drawings (some of which are featured in this design) then check out this post.

Galileo Authority Science Design by Punk Rock Scientist - Science T-Shirts

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Science Quote – Galileo on Human Ingenuity and Discovery

In science there is always something waiting to be discovered!

Galileo Quote on Human Ingenuity, the Universe, and Discovery | Created by Punk Rock Scientist - Science T-Shirts
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Science News – June 17th, 2016

Science News! Let’s take a look at some of the important developments in science this week…

First, gravitational waves have been detected a second time by an international team of physicists and astronomers. These type of waves were predicted to exist by Einstein’s general theory of relativity but it was thought they were too weak to ever be measured. As with the first detection these waves were caused by the tight orbit of two black holes. Read more from Phys.org here.

Second, the level of CO2 in the atmosphere in Antarctica has reached 400 parts per million for the first time in 4 million years. This means that even remote regions are catching up with the increasing CO2 levels of more populated areas. Read more from Scientific American here.

Third, a study has found 15 reefs among 2,500 studied across the world that are not dying as quickly as predicted. These spots show some similarities in how they are being managed and conserved that could help shed light on how to manage other reefs that are not fairing as well. Read more from NPR here.

Those are just a few of the exciting things going on in the world of science this week. Have you heard about any other interesting science news lately? Leave a comment and let us know!

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The Pioneer 10 Plaque and Other Messages to Aliens

When Pioneer 10 was launched 33 years ago it was carrying a plaque developed by astronomers Carl Sagan and Frank Drake, that was intended to provide any aliens that happen to find the craft in the future with some information about human beings. What details were on the plaque? And what other such messages have we sent out into space?

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Science Quote – Carl Sagan on the Obligation to Become Spacefaring

Do you think our species will ever live outside of Earth?

Carl Sagan Spacefaring Quote | Created by Punk Rock Scientist - Science T-Shirts
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