Quantcast

Latest Smithsonian Center for Astrophysics Stories

48dba7b8d7eb48a0390c5c6e62239c151
2007-08-06 16:15:00

Four galaxies are slamming into each other and kicking up billions of stars in one of the largest cosmic smash-ups ever observed. The clashing galaxies will eventually merge into a single, behemoth galaxy up to 10 times as massive as our own Milky Way.

4700dca2c7607e31a2c8d10cb89939351
2007-05-23 15:55:00

Astronomers are hunting an elusive target: rogue black holes that have been ejected from the centers of their home galaxies.

15a7ed35a8588d9ecbb2d3ac264fb1db
2007-05-02 10:23:51

The gas giant planet, called HAT-P-2b, contains more than eight times the mass of Jupiter, the biggest planet in our solar system. Its powerful gravity squashes it into a ball only slightly larger than Jupiter.

c6d011bf87497e6c52c5ca23fd389470
2007-05-02 00:00:00

Two rambunctious young stars are destroying their natal dust cloud with powerful jets of radiation, in an infrared image from NASA's Spitzer Space Telescope. The stars are located approximately 600 light-years away in a cosmic cloud called BHR 71.

912c15ac17644e14814bdb771637b6631
2007-04-17 10:45:00

Astronomers have found the lowest mass white dwarf known in our galaxy: a Saturn-sized ball of helium containing only about one-fifth the mass of the Sun.

8a9e40d4e92721f5d781197e17cb02c51
2007-03-21 12:15:00

Even though the sun is the closest star to Earth and has been studied for hundreds of years, it still holds surprises. The recently launched Hinode spacecraft is one of the latest observatories to probe the sun from afar.

32054c23e488c3088d519c321bed7ce01
2007-01-09 15:35:00

The Large Magellanic Cloud and Small Magellanic Cloud are two of the Milky Way's closest neighboring galaxies. By studying their orbits, astronomers can learn about both the histories of the Clouds and the structure of the Milky Way.

e80f4750afac94968f517b2927c62de91
2007-01-08 13:15:00

Astronomers have proposed an improved method of searching for intelligent extraterrestrial life using instruments like the one now under construction in Australia. This instrument could detect Earth-like civilizations around any of the 1,000 nearest stars.

ddb1a8688407e7a924a126060127e68d1
2006-11-20 15:35:00

Scientists have measured a stellar-mass black hole spinning so rapidly - turning more than 950 times per second - that it pushes the predicted speed limit for rotation.

98c5c109713213c131c385c39d9d5acd1
2006-10-18 12:55:00

The Andromeda galaxy, the closest large spiral to the Milky Way, appears calm and tranquil as it wheels through space. But appearances can be deceiving.


Word of the Day
donative
  • A gift; a largess; a gratuity; a present; a dole.
The word 'donative' comes from a Latin word meaning 'to give'.
Related