Astronomy

Heartbeat Stars

Astronomers Pumped by ‘Heartbeat Stars’

They’re called “heartbeat stars”, but not because they expand and contract.  In fact, they’re double star systems in which one star has a highly elongated orbit similar to that of a comet.  As this star swings close to its companion, gravity pulls the latter into a non-spherical shape, changing i
Gamma Rays

Danger, Will Robinson

The night sky, at least when you can see it, appears placid, serene and as inviting as a cold brew on a muggy afternoon.
Space Station

Expose-R2 Photochemistry on the Space Station

After 18 months mounted externally on the International Space Station Zvezda module, the European Space Agency Expose-R2 Photochemistry on the Space Station (PSS) experiment was retrieved by cosmonauts during a February spacewalk.  The PSS experiment investigated the evolution of organic compound
Gravity Waves

Gravity Waves and ET

The other shoe has dropped.
Hubble Wide Field

Newborn Planet Being Kicked Out of the Nest

Young planets, like young children, don’t always play nicely. Paul Kalas, a SETI Institute astronomer and adjunct professor at the University of California, Berkeley reported today on a system caught in the act of planetary misbehavior.  
Franck Marchis in his office at the SETI Institute. image credit: Seth Shostak, SETI Institute

Scientist Interview - Franck Marchis

Franck Marchis, Senior Research Scientist at the Carl Sagan Center at the SETI Institute, is involved in the definition of a new generation of AOs for 8 -10 m class telescopes and future Extremely Large Telescopes.
Bishun Khare

Bishun Khare

Bishun Khare, who studied the manner in which planets and moons naturally build up organic molecules in their atmospheres, died quietly on August 20 at the age of 80.

Scientist Interview - Paul Estrada - From Dust to Planets

If planets are a dime a dozen, moons are less than a penny each. There are at least 139 moons just within our own solar system. Most of these are the property of the gas giant planets beyond Mars.

Scientist Interview - Franck Marchis - Life at the SETI Institute

Franck Marchis joined the SETI Institute as a Principal Investigator (PI) or lead scientist in 2007. He is also an assistant research Astronomer at the University of California Berkeley. Franck received his Ph.D.

Scientist Interview - Laurance Doyle - A Man of Many Firsts

Dr. Laurance Doyle is a true renaissance man who thrives on discovery.