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website features news, resources, and discussion boards about LISA (the Laser Interferometer Space Antenna), a space-based gravitational-wave observatory that will allow us to detect gravitational waves from massive black-hole mergers in the centers of galaxies, from the ultra-compact binary systems in our own Galaxy, and from many other sources. A joint ESA and NASA mission, LISA will create revolutionary research opportunities in astrophysics and fundamental physics.

Gamma-ray bursts (GRB) are the most powerful explosions known in the Universe; most originate in distant galaxies. A large percentage of bursts likely arise from the explosion of stars over 15 times more massive than our Sun. Experts believe that...

BBC Video

Create and destroy on a scale you've never imagined with the ultimate space simulator. Harness the power to create black holes, collide galaxies, and manipulate gravity with just a few clicks. Inspired by the software astronomers use to unlock the mysteries of our universe, never before has astronomy been so interactive or so much fun.

100,000 Stars is an interactive visualization of the stellar neighborhood created for the Google Chrome web browser. It shows the real location of over 100,000 nearby stars. Zooming in reveals 87 major named stars and our solar system. The galaxy view is an artist's rendition.

Emerald Observatory is an iPad™ application which displays a variety of astronomical information. It is similar in that way to our flagship products, Emerald Chronometer® and Emerald Chronometer HD, but designed from the start to take advantage of the iPad's larger display. Much of the supporting technology, including NTP (atomic time) and the highly accurate astronomical algori ..

I'm a Finnish astrophotographer and I enjoy to be able to reveal some of the hidden beauty of our Universe.

A large asteroid will impact our planet in 2068, according to research conducted at the State University of St. Petersburg, Russia. It is a rocky body of 370 meters in diameter, discovered more than a decade ago and baptized Apophis 99942.

In our article, we will show you, what the planets of the Solar System would look like from Earth if they were the same distance as the Moon, some 386,000 kilometers.

"Share, discuss and improve your data, tools, workflow and overall knowledge of our Solar System"

A new theory suggests that life on Earth could have started due to an epic clash with another planet. This hypothetical planet is called Theia, and some experts believe that it is also responsible for breaking a portion of the Earth and sending it at full speed into space and eventually becoming our Moon.

"Breakthrough Listen data are stored in technical formats that require specialized software to analyze, and file sizes can be several gigabytes. Before downloading files from our public archive, we recommend you familiarize yourself with how the data are stored. A good place to start is with the educational materials provided by Berkeley SETI Research Center."

"OpenSpace is open source interactive data visualization software designed to visualize the entire known universe and portray our ongoing efforts to investigate the cosmos."