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telescopes

The Moon during the 21 January total lunar eclipse with a visible impact flash
Posted inNews

A Meteor Struck the Moon During the Total Lunar Eclipse

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 23 January 201930 August 2022

Telescopes around the world detected an impact event on the lunar surface just before totality on Monday. Amateur and professional astronomers are starting to coordinate data.

Artist’s rendering of TESS observing a red dwarf star with orbiting planets.
Posted inNews

New Exoplanet Telescope Detects Its First Two Planets

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 25 September 201810 April 2023

The two possible planets, each larger than Earth and too hot to be habitable, are the first of hundreds of Earth-sized exoplanets expected to be discovered by a recently launched telescope.

A wide variety of Kepler exoplanets
Posted inFeatures

The Kepler Revolution

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 1 August 201817 January 2023

The Kepler Space Telescope will soon run out of fuel and end its mission. Here are nine fundamental discoveries about planets aided by Kepler in the 9 years since its launch.

The August 2017 solar eclipse in green light
Posted inNews

Seeing Green: A Stratospheric View of the 2017 Total Eclipse

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 24 May 201815 June 2022

Airborne telescopes gave scientists a sky-high view of the 2017 Great American Eclipse as they took measurements that are difficult to obtain from the ground.

Artist’s conception of TESS, with a hypothetical lava planet and its host star in the background.
Posted inNews

Exoplanet-Hunting Telescope Launches

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 19 April 201810 April 2023

Scanning for traces of faraway worlds, TESS will make observations over an area hundreds of times larger than that observed by its predecessor, the Kepler Space Telescope.

Artist's conception of the K2-138 exoplanet system
Posted inNews

Looking to the Future of Exoplanet Science

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 24 January 201810 April 2023

Upcoming missions seeking to unravel the secrets of exoplanets abound. An informal survey of astronomers revealed which of those projects they most eagerly await.

New observations reveal secrets of sodium flares in Mercury’s exosphere
Posted inResearch Spotlights

Observing Mercury’s Brilliant Flares from Earth

by E. Underwood 9 August 20177 March 2022

Researchers make the first short-term observation of sodium flares in Mercury’s exosphere.

An artist’s rendering of a Neptune-sized exoplanet.
Posted inNews

Ten Earth-Sized Planets Found by Exoplanet-Hunting Telescope

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 22 June 201719 April 2023

A new analysis of exoplanet candidates also reveals a previously unrecognized tendency for smaller exoplanets to grow into two distinct sizes.

Artist’s representation of TRAPPIST-1 planet surface view.
Posted inNews

Seven Earth-Sized Planets Seen Whizzing Around One Cool Star

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 22 February 201724 October 2022

Although all the exoplanets orbit closer than Mercury does to our Sun, liquid water may persist on some of them because their star radiates so little heat.

Posted inNews

Final Mirror Segment Added to Powerful Future Space Observatory

by Randy Showstack 8 February 201617 January 2023

After years of planning, testing, and assembly, the James Webb Space Telescope, the world's largest infrared, space-based observatory, is taking shape.

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