What to look for when buying a telescope

I'm often asked what inspired me to become an astronomer, and I explain that a pivotal moment for me was stargazing through my grandfather's telescope.

Robotic laser astronomy on the rise

The world's first robotic laser adaptive optics system, developed by a team led by University of Hawaiʻi at Mānoa astronomer Christoph Baranec, will soon find a new home at the venerable 2.1-meter (83-inch) telescope at ...

NASA reassures public that there is no asteroid threatening Earth

Numerous recent blogs and web postings are erroneously claiming that an asteroid will impact Earth sometime between Sept. 15 and 28, 2015. On one of those dates, as rumors go, there will be an impact—"evidently" near Puerto ...

SOFIA points telescope toward Pluto occultation

The Stratosphere Observatory for Infrared Astronomy (SOFIA) is a modified Boeing 747SP aircraft that makes celestial observations with its German-built 100-inch telescope. The telescope is enhanced to collect infrared radiation, ...

20 ExoWorlds are now available for naming proposals

Although people have been naming celestial objects for millennia, the IAU has the task of assigning scientifically recognised names to newly discovered celestial bodies by its member countries. The NameExoWorlds contest provides ...

Dark Energy Camera unveils small objects in solar system

The 570-megapixel Dark Energy Camera, built at DOE's Fermilab and mounted on the 4-meter Victor Blanco Telescope in Chile, delivers some of the most detailed images of celestial objects. While about a third of the camera's ...

Image: XMM-Newton and Hubble view of Jupiter's ghost

Names of astronomical objects are often ambiguous, especially when the historical designation of a certain class of celestial body preceded their physical understanding and was based on their appearance in the sky.

The two faces of Mars

A moon-sized celestial object that crashed into the south pole: ETH researchers use a simulation to demonstrate why Mars consists of two notably different hemispheres.

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