IRIS Mission Gets First Look at Sun's Mysterious Interface Region

NASA’s Interface Region Imaging Spectrograph (IRIS)Photo Credit: Robert C. Fisher / AmericaSpace

NASA’s Interface Region Imaging Spectrograph (IRIS) spacecraft has captured its first observations of a region of the Sun that is now possible to observe in detail: the lowest layers of the Sun’s atmosphere.

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It's an Alien Blue World—But Nothing Like Earth

Artist’s conception of exoplanet HD 189733b—a “deep blue dot” reminiscent of Earth from a distance. Image Credit: NASA / ESA / M. Kornmesser

The planets and moons in our Solar System come in a wide variety of colors, and the natural beauty can be breathtaking. Now, the true color of a much more distant […]

Hubble Space Telescope Reveals Evidence of Farthest Known Planet From Its Star

A gap in the protoplanetary disk of dust and gas whirling around TV Hydrae uncovered evidence of an unseen, growing planet, according to astronomers studying Hubble data. Image Credit: NASA, ESA, J. Debes (STScI), H. Jang-Condell (University of Wyoming), A. Weinberger (Carnegie Institution of Washington), A. Roberge (Goddard Space Flight Center), G. Schneider (University […]

Sifting Through the Atmospheres of Far-off Worlds

This image shows the HR 8799 planets with starlight optically suppressed and data processing conducted to remove residual starlight. The star is at the center of the blackened circle in the image. The four spots indicated with the letters b through e are the planets. This is a composite image using 30 wavelengths of […]

Gemini Planet Imager: New Telescope Will Photograph Distant Worlds

Simulation of planets imaged by the Keck Telescope (left) compared to GPI (right). Image Credit: Christian Marois/Herzberg Institute of Astrophysics and Marshall Perrin/Space Telescope Science Institute

For those who wonder about alien worlds out there, this is an exciting time of discovery. The number of exoplanets found so far is now well into the […]