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Celestial Photobomb: Rare Occultation of Mercury by the Moon Set for Next Week


Have you caught sight of Mercury yet? This coming week is a good time to try, looking low to the west at dusk.

Groot & Rocket Raccoon Get Their Own Mission Patch


In 2011, the US government created the Center for the Advancement of Science in Space (CASIS) to manage the US National Laboratory aboard the International Space Station,.

What are Quark Stars?


We’ve covered the full range of exotic star-type objects in the Universe. Like Pokemon Go, we’ve collected them all.

Messier 20 (M20) – The Trifid Nebula


Welcome back to Messier Monday! In our ongoing tribute to the great Tammy Plotner, we take a look at the Trifid Nebula (aka.

Falcon Heavy Vs. Saturn V


Its an Epic Rocket Battle! Or a Clash of the Titans, if you will. Except that in this case, the titans are the two of the heaviest rockets the world has ever seen.

NASA Welds Together 1st SLS Hydrogen Test Tank for America’s Moon/Mars Rocket – Flight Unit in Progress


MICHOUD ASSEMBLY FACILITY, NEW ORLEANS, LA - NASA has just finished welding together the very first fuel tank for America’s humongous Space Launch System (SLS) deep space rocket currently under development - and Universe Today had an exclusive up close look at the liquid hydrogen (LH2) test tank shortly after its birth as well as the first flight tank, during a tour of NASA’s New Orleans rocket manufacturing facility on Friday, July 22, shortly after completion of the milestone assembly operation.

Two Nearby Potentially Habitable Planets Are Rocky Worlds


When Hubble first observed the atmospheric conditions of an extrasolar planet in 2000, it opened up that entire field of study.

The Moon’s Mare Imbrium Was Hit By Protoplanetary Size Impactor


The asteroid that punched an “eye” in the Moon is about 10 times more massive than originally thought.

Looking for Canada’s Next Generation of Space Explorers


For decades, Canada has made many contributions to the field of space exploration. These include the development of sophisticated robotics, optics, participation in important research, and sending astronauts into space as part of NASA missions.

Uh, We’re Going To Need A Bigger Landing Pad


Since 2000, Elon Musk been moving forward with his vision of a fleet of reusable rockets, ones that will restore domestic launch capability to the US and drastically reduce the cost of space launches.

How Big is the Great Red Spot?


When we used to do the Virtual Star Party (and I really need to start those up again, they were super fun), I had the worst luck with Jupiter’s Great Red Spot.

Book Review: The Caloris Network


Thinking of taking a vacation this summer? Maybe you want to distract yourself with a bit of light science fiction fun.

Viking: Remembering Humanity’s First Successful Mission On Mars Surface


July 20. Sound like a familiar date? If you guessed that's when we first set foot on the Moon 47 years ago, way to go!

Apollo 11 Landing 47 Years Ago; See it Through New Eyes


Looking for a way to commemorate the 47th anniversary of the Apollo 11 mission landing on the Moon? Here are a few different ways look back on this historic event and take advantage of advances in technology or new data.

Flawless Capture and Berthing of SpaceX Dragon Supply Ship at ISS


KENNEDY SPACE CENTER, FL - Following a flawless post midnight blastoff two mornings ago, a pair of NASA astronauts executed a flawless capture of the newest SpaceX Dragon supply ship at International Space Station early this morning, July 20, carrying 2.5 tons of priceless research equipment and gear for the resident astronauts and cosmonauts.

How Fast Does Venus Rotate?


Venus is often refereed to as "Earth's sister planet", thanks to the number of things it has in common with our planet.

What Does the Universe Do When We’re Not Looking?


If you follow some of my other shows, like Astronomy Cast and the Weekly Space Hangout. Of course you do, what a ridiculous thing to say… “if”.

Carnival of Space #467


This week's Carnival of Space is hosted by Brian Wang at his Next Big Future blog. Click here to read Carnival of Space #467 And if you’re interested in looking back, here’s an archive to all the past Carnivals of Space.

See All Five Naked Eye Planets in the Dusk Sky at Once


Hosting an evening star party this summer? You're in for a treat. Starting later this week, all five naked eye planets (Mercury, Venus, Mars, Jupiter and Saturn) are visible in the evening sky at dusk for a brief few weeks.

SpaceX Nails Mesmerizing Midnight Launch and Land Landing of Falcon 9 Carrying Critical ISS Science and Docking Port


KENNEDY SPACE CENTER, FL - In a breathtaking feat mesmerizing hordes of thrilled spectators, SpaceX nailed today’s (July 18) back to back post midnight launch and landing of the firms Falcon 9 first stage tasked to carry a cargo Dragon loaded with over two tons of critical science, supplies and a crew docking port to the space station for NASA.


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