[LESS INFO] 3 VIEWS | ADDED 17:00:00 05/15/13
Astronomers think that just about every galaxy contains a giant, or supermassive, black hole at their center.
Heaven and Earth
2 Views 17:00:00 05/14/13
There are patterns of beauty across our Earth and throughout the Universe.
[LESS INFO] 16 VIEWS | ADDED 17:00:00 05/01/13
Most of us have heard the story of the tortoise and the hare. The tortoise is slow and the hare is fast. But what exactly does this mean?
NGC 6240 in 60 Seconds
1 Views 17:00:00 04/30/13
Two large galaxies are colliding and scientists have used Chandra to make a detailed study of an enormous cloud of hot gas that surrounds them.
[LESS INFO] 1 VIEWS | ADDED 17:00:00 04/30/13
Two large galaxies are colliding and scientists have used Chandra to make a detailed study of an enormous cloud of hot gas that surrounds them.
SN1006 in 60 Seconds
10 Views 17:00:00 04/22/13
The new Chandra data provide new details about SN 1006.
[LESS INFO] 9 VIEWS | ADDED 17:00:00 04/17/13
Shadows occur on other planets as well. One excellent place to look for shadows in our Solar System is the planet Jupiter.
The Shape of Speed
7 Views 17:00:00 04/11/13
Bow waves are not just found in duck ponds. Rather they can be anywhere in water, air, or even space where an object is moving quickly enough.
[LESS INFO] 7 VIEWS | ADDED 17:00:00 04/11/13
Bow waves are not just found in duck ponds. Rather they can be anywhere in water, air, or even space where an object is moving quickly enough.
NGC 602 in 60 Seconds
6 Views 17:00:00 04/03/13
The Small Magellanic Cloud - also known as the SMC - is one of the closest galaxies to the Milky Way.
[LESS INFO] 6 VIEWS | ADDED 17:00:00 04/03/13
The Small Magellanic Cloud - also known as the SMC - is one of the closest galaxies to the Milky Way.
STOP for Science: W...
6 Views 17:00:00 03/27/13
Our Sun is a star. In fact, it is the closest star we'll ever see. The Sun is about 5 billion years old and will live for about 5 billion more. But not all stars l...
[LESS INFO] 6 VIEWS | ADDED 17:00:00 03/27/13
Our Sun is a star. In fact, it is the closest star we'll ever see. The Sun is about 5 billion years old and will live for about 5 billion more. But not all stars live this long.
Kepler’s Supernova ...
16 Views 17:00:00 03/20/13
Over 400 years ago, Johannes Kepler and many others witnessed the appearance of a new "star" in the sky.
[LESS INFO] 16 VIEWS | ADDED 17:00:00 03/20/13
Over 400 years ago, Johannes Kepler and many others witnessed the appearance of a new "star" in the sky.
47 Tucanae in 60 Se...
23 Views 17:00:00 03/07/13
Neutron stars are the ultra-dense cores that are often left behind after massive stars run out of fuel and collapse.
[LESS INFO] 23 VIEWS | ADDED 17:00:00 03/07/13
Neutron stars are the ultra-dense cores that are often left behind after massive stars run out of fuel and collapse.
Learn About Stars
16 Views 17:00:00 02/21/13
Stars appear to be permanent fixtures of the night sky. However, stars are like people. They are born, live a lifetime, and ultimately die.
[LESS INFO] 16 VIEWS | ADDED 17:00:00 02/21/13
Stars appear to be permanent fixtures of the night sky. However, stars are like people. They are born, live a lifetime, and ultimately die.
W49B in 60 Seconds
8 Views 17:00:00 02/14/13
The supernova remnant known as W49B is, let's say, a bit unorthodox looking. Many supernova remnants appear rather spherical in shape.
[LESS INFO] 8 VIEWS | ADDED 17:00:00 02/14/13
The supernova remnant known as W49B is, let's say, a bit unorthodox looking. Many supernova remnants appear rather spherical in shape.
Learn About Solar S...
6 Views 17:00:00 02/07/13
One star, eight planets, and a myriad of moons, comets and asteroids. This is the Earth's local neighborhood, known as the Solar System.
[LESS INFO] 6 VIEWS | ADDED 17:00:00 02/07/13
One star, eight planets, and a myriad of moons, comets and asteroids. This is the Earth's local neighborhood, known as the Solar System.
Ice Core Records: F...
8 Views 17:00:00 02/04/13
While astronomers know that Cassiopeia A, or Cas A for short, is the aftermath of a massive star that exploded, it is unclear exactly when the explosion took place.
[LESS INFO] 8 VIEWS | ADDED 17:00:00 02/04/13
While astronomers know that Cassiopeia A, or Cas A for short, is the aftermath of a massive star that exploded, it is unclear exactly when the explosion took place.
DEM L50 in 60 Seconds
6 Views 17:00:00 02/01/13
DEM L50 is what astronomers call a superbubble. These objects are found in regions where massive stars have formed, raced through their evolution, and exploded as ...
[LESS INFO] 6 VIEWS | ADDED 17:00:00 02/01/13
DEM L50 is what astronomers call a superbubble. These objects are found in regions where massive stars have formed, raced through their evolution, and exploded as supernovas.
Black holes sound wildly complicated. After all, there are all sorts of bizarre things going on: intense gravity, the warping of the fabric of space, the distortion of time itself. But when it comes to describing black holes, it comes down to just two numbers: the mass of the black hole and its spin.