Tag: stars

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First Evidence for Water Ice Clouds Found Outside Solar System

Take a (peacefully quiet) tour through and beyond our solar system to visit a neighboring brown dwarf -- a sort of failed star that's too large to be called a planet -- called W0855. A team of scientists, led by Carne...

Laniakea: Our home supercluster

Our home planet, Earth, circles the sun. The sun, our star, is but one of billions of stars in the Milky Way, our home galaxy... and beyond that? Where on the map of the cosmos is the Milky Way? For the first time, we...

Minute Physics: Why are Stars Star-Shaped?

If we know that stars are massive spheres of hot gases, then why do we draw them with lots of twinkly points? Why doesn't "star-shaped" mean a round shape? The answer: We see stars as pointy (and so does the Hubble Sp...

Spectroscopy of Stars – Wonders of the Universe

Understand what the universe is made of by looking at the light of its stars. In this clip from Wonders of the Universe – Stardust, Professor Brian Cox demonstrates how chemical elements emit a unique set of colors wh...

We Are Dead Stars

We are dead stars. Everything we are – the iron in our blood, every element we've ever heard of – is made from a star, a dust cloud collapsing under the force of gravity. Astronomer Dr. Michelle Thaller si...

How Do We Know How Old the Sun Is?

How Do We Know How Old the Sun Is? The Royal Observatory, Greenwich, and animation studio Beakus join together to explain how Kepler and Newton’s laws help us figure out the weight of the ...

NASA’s Solar Dynamics Observatory: Year 4

Switch this video to HD full screen and marvel at the incredible detail in which we can now observe the sun, our closest star. This video is filled with year four highlights from the Solar Dy...

How can we know anything about distant exoplanets?

How can we know the size, composition, and atmospheric makeup of distant exoplanets? NASA explains the details in this Alien Atmospheres video.  By observing periodic variations in the pare...

Meomi’s Eye to the Sky

Eye to the Sky by Meomi, a music video for the season 2 “Space” episode of Yo Gabba Gabba. Watch more made-for-kids videos. via Kiddley.

The Large and Small Magellanic Clouds

Via kqedscience, this is a tour of two of our closest galaxies: the Large and Small Magellanic Clouds. They are between 163,000 and 200,000 light-years away and hold a few hundred million sta...

Night Wanderers: Asteroid 2012 DA 14 passing Earth (February 2013)

Night Wanderers, captured by space and time-lapse enthusiast Colin Legg. As you may have heard, the asteroid 2012 DA14 silently glided past Earth on Friday, Feb. 15, 2013. Observations us...

Further Up Yonder: A Message From ISS To All Humankind

Further Up Yonder: A Message From ISS To All Humankind by film student Giacomo Sardelli, using images and audio messages courtesy of NASA. The video’s transcript:  As the most forward...

NASA: Computer Model Shows a Disk Galaxy’s Life History

This cosmological simulation follows the development of a single disk galaxy over about 13.5 billion years, from shortly after the Big Bang to the present time. Colors indicate old stars (r...

Measuring the Universe

From the Royal Observatory, Greenwich, Measuring the Universe! So how exactly do we measure things that are incredibly far away? Positioning over time, light, and math, math, math! This video ...

The Kepler Mission and a Primer on How We Find Exoplanets

The California Academy of Sciences in San Francisco has created a primer on NASA’s Kepler Mission. Kepler has found over 1200 planet candidates, 54 of them in the habitable or “Gol...

They Might Be Giants: What is a Shooting Star?

One of the kiddo’s favorite songs from They Might Be Giants’ Here Comes Science — after , of course — here comes What is a Shooting Star? (Hint: A shooting star is not a star, it&#...

The Violent End Stage of Star Formation

EsoCast showcases a new Hubble image of a giant cloud of hydrogen gas illuminated by a bright young star. The image shows how violent the end stages of the star formation process can be, w...

Dr. Neil deGrasse Tyson: The Most Astounding Fact

Astrophysicist Dr. Neil DeGrasse Tyson was asked by a reader of TIME magazine, “What is the most astounding fact you can share with us about the Universe?” This is his answer. ...

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