On August 12, 2023, NASA's STEREO-A spacecraft passes between the sun and Earth, marking the first Earth flyby of the nearly 17-year-old mission. The visit home brings a special chance for the spacecraft to collaborate with ...
Space Exploration
Aug 11, 2023
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515
All stars, including the sun, have a finite lifetime. Stars shine by the process of nuclear fusion in which lighter atoms, such as hydrogen, fuse together to create heavier ones. This process releases vast quantities of energy ...
Astronomy
Oct 28, 2022
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101
Are we alone in the universe?
Astronomy
Sep 11, 2020
34
721
For many reasons, Venus is sometimes referred to as "Earth's twin" (or "sister planet," depending on who you ask). Like Earth, it is terrestrial (i.e. rocky) in nature, composed of silicate minerals and metals that are differentiated ...
Space Exploration
Dec 11, 2017
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20
(Phys.org)—John Chambers, a planetary scientist with the Department of Terrestrial Magnetism at Carnegie Institution has suggested a new theory regarding the formation of gas giant planets. In his paper uploaded to the ...
BepiColombo is Europe's first mission to Mercury. It will set off in 2017 on a journey to the smallest and least explored terrestrial planet in our Solar System, following in the footsteps of Mariner 10 and Messenger.
Space Exploration
Oct 13, 2015
0
12
On August 21, 2013 at 1:24 am EDT, the sun erupted with an Earth-directed coronal mass ejection, or CME, a solar phenomenon that can send billions of tons of particles into space and reach Earth one to three days later. These ...
Space Exploration
Aug 21, 2013
0
0
On August 20, 2013 at 4:24 am EDT, the sun erupted with an Earth-directed coronal mass ejection or CME, a solar phenomenon which can send billions of tons of particles into space that can reach Earth one to three days later. ...
Space Exploration
Aug 20, 2013
14
0
On July 16, 2013, at 12:09 a.m. EDT, the sun erupted with an Earth-directed coronal mass ejection or CME, a solar phenomenon that can send billions of tons of particles into space that can reach Earth one to three days later. ...
Space Exploration
Jul 16, 2013
1
0
On July 9, 2013, at 11:09 a.m. EDT, the sun erupted with an Earth-directed coronal mass ejection or CME, a solar phenomenon that can send billions of tons of particles into space that can reach Earth one to three days later. ...
Space Exploration
Jul 10, 2013
0
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