69: Pinging passing asteroids with Dr. Naidu
Dr. Shantanu Naidu tells us about planetary radar. Using large telescopes in California and Puerto Rico, he bounces radio waves off of asteroids and "listens" for the return signal. With this techniqu...
30 Okt 201611min
68: Building a new instrument with Dr Hosseini
Dr. Sona Hosseini talks about spectroscopy, a technique that allows scientists to determine what celestial bodies are made of. She's developing new spectrometer that will allow her to look at an entir...
23 Okt 201615min
67: The most ambitious measurement ever made, with Dr. Reitze (Part 2)
Dr. Dave Reitze, the Executive Director of LIGO, talks about how each source of noise at LIGO must be meticulously accounted for— from wolves howling, to tidal flexing of the Earth's surface, to the ...
16 Okt 201622min
66: The most ambitious measurement ever made, with Dr. Reitze (Part 1)
Dr. Dave Reitze, the Executive Director of the Laser Interferometer Gravitational-wave Observatory (LIGO) talks about the extraordinary detection of gravitational waves earlier this year, and the inc...
9 Okt 201615min
65: Black holes don't suck with Dr. Gorjian
Dr. Varoujan Gorjian thoroughly debunks a misconception he hates— the idea that black holes suck. Find out what would happen to the Earth if our Sun was suddenly replaced with a black hole of the same...
2 Okt 201618min
64: Hubble's Tuning Fork with Dr. Seidel
Dr. Marja Seidel stops by the show to talk about galaxy evolution. She also talks about a unique outreach effort she co-founded, called Cielo y Tierra, that shares science with remote communities.
25 Sep 201615min
63: Deciphering dark matter with Dr. Benson
Dr. Andrew Benson talks about dark matter, the mysterious stuff that makes up most of the mass of the universe. Andrew explains how we can learn about dark matter, even though we don't yet know what i...
18 Sep 201620min
62: Exoplanets and the fate of Earth with Dr. Schlaufman
Dr. Kevin Schlaufman tells us about exoplanets that orbit around their stars in an unusual manner. He also explains what his research says about the Earth's fate when our sun dies, billions of years f...
11 Sep 201620min
