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Dec 26, 2017
Galaxies are fascinating not only for
what is visible, but for what is invisible.
Grand spiral galaxy
NGC 1232,
captured in detail by one of...
Dec 29, 2017
Interstellar
dust clouds and
glowing nebulae
abound in the fertile
constellation of Orion.
One of the
brightest, M78,
is centered in this...
Jan 2, 2018
The point of contact for ROSES-2017 B.8 Magnetospheric Multiscale Guest Investigators has been changed to Terry Onsager. The Step-2 proposal due date...
Sun
Jan 2, 2018
Welcome to the Mysteries of the Sun. This unique NASA resource on the web, in print, and with companion videos introduces Heliophysics: the study of...
Sun, Earth’s Space Environment
Jan 2, 2018
Earth's Magnetosphere
The magnetosphere protects the Earth from solar wind that streams from the Sun carrying energetic, charged...
Jan 6, 2018
Lately,
bright Jupiter and fainter Mars have been easy to spot for early
morning skygazers.
Before dawn
on January 7
the two naked-eye planets...
Jan 7, 2018
One of the greatest unrequited legends of
outer space is the tether.
Tethers,
long strands of material, hold the
promise of
stabilizing...
Nov 9, 2017
This letter from SARA is to issue a waiver for grantees allowing them to be reimbursed out of their grants for their actual lodging, although it's...
Nov 13, 2017
Jim Green (Host): Our solar system is a wondrous place with a single star, our Sun, and everything that orbits around it: planets, moons, asteroids...
Solar System
Nov 20, 2017
Astronomers recently scrambled to observe an intriguing asteroid that zipped through the solar system on a steep trajectory from interstellar space—...