NASA Image Of The Day

Powerful, Pulsating Core of Star
NASA Image Of The Day
The blue dot in this image marks the spot of an energetic pulsar -- the magnetic, spinning core of star that blew up in a supernova explosion. NASA's Nuclear Spectroscopic Telescope Array, or NuSTAR, discovered the pulsar by identifying its telltale pulse -- a rotating beam of X-rays, that like a cosmic lighthouse, intersects Earth every 0.2 seconds. The pulsar, called PSR J1640-4631, lies in our inner Milky Way galaxy about 42,000 light-years away. It was originally identified by as an intense source of gamma rays by the High Energy Stereoscopic System (H.E.S.S.) in Namibia. NuSTAR helped pin down the source of the gamma rays to a pulsar. The other pink dots in this picture show low-energy X-rays detected by NASA's Chandra X-ray Observatory. In this image, NuSTAR data is blue and shows high-energy X-rays with 3 to 79 kiloelectron volts; Chandra data is pink and shows X-rays with 0.5 to 10 kiloeletron volts. The background image shows infrared light and was captured by NASA's Spitzer Space Telescope. Image credit: NASA/JPL-Caltech/SAO...
16 Sep 2014
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151 Expedition 40/41 - Soyuz TMA-13M Launch Replays Administrator 176
152 Expedition 40/41 - Soyuz TMA-13M Launch Administrator 245
153 Expedition 40/41 - Soyuz TMA-13M Pre-launch Activities Administrator 151
154 Expedition 40 - Space Station Live - May 28 Administrator 89
155 Expedition 40/41 - Pre-Launch Crew News Conference in Baikonur, Kazakhstan Administrator 191
156 Expedition 40 - Space Station Live - May 26 Administrator 81
157 Expedition 40/41 - Crew Activities, Soyuz TMA-13M Spacecraft Mating and Rollout to the Launch Pad Administrator 187
158 Destination Station: ISS Science Forum Administrator 202
159 Expedition 40 - Mission Overview Briefing Administrator 159
160 Expedition 40/41 - Crew Activities in Baikonur, Kazakhstan Administrator 166
161 Expedition 40 - Space Station Live - May 21 Administrator 86
162 Expedition 40 - In-Flight Interview - May 20 Administrator 97
163 Expedition 40 - Space Station Live - May 20 Administrator 94
164 Expedition 40 - Space Station Live - May 19 Administrator 129
165 SpaceX-3/Dragon Cargo Craft Departure from the ISS Administrator 233
166 Expedition 40 - Space Station Live - May 16 Administrator 107
167 Expedition 40 - In-Flight Interview - May 15 Administrator 132
168 Expedition 40/41 - Crew Departure from Star City, Russia for Baikonur, Kazakhstan Administrator 185
169 Expedition 40 - Space Station Live - May 15 Administrator 128
170 Expedition 40 - Space Station Live - May 14 Administrator 108
171 Expedition 39/Soyuz TMA-11M Landing and Post-Landing Activities Administrator 236
172 Expedition 39/Soyuz TMA-11M Landing Replay Administrator 225
173 Expedition 39/Soyuz TMA-11M Landing Administrator 263
174 Expedition 39/Soyuz TMA-11M Undocking Administrator 202
175 Armstrong Flight Research Center Renaming Ceremony Administrator 105
176 Expedition 39 - Farewells and Hatch Closure Administrator 261
177 Expedition 39 - Space Station Live - May 13 Administrator 107
178 Expedition 39/40 - Change of Command Ceremony Administrator 170
179 Expedition 39 - Space Station Live - May 12 Administrator 90
180 Space to Ground - 5/09/14 Administrator 114
181 Expedition 39 - Space Station Live - May 9 Administrator 129
182 Expedition 40/41 - Crew News Conference at Star City, Russia Administrator 175
183 Expedition 39 - Space Station Live - May 8 Administrator 100
184 ISS Mission Control On-Console Interview with the Digital Learning Network - May 7 Administrator 87
185 Expedition 39 - Space Station Live - May 7 Administrator 85
186 Expedition 40/41 - Qualification Training Simulation Runs at Star City, Russia Administrator 156
187 Expedition 39 - In-Flight Educational Event - May 6 Administrator 102
188 Expedition 39 - Space Station Live - May 6 Administrator 92
189 Hubble Space Telescope Student Project Capstone Event Administrator 97
190 Expedition 39 - Space Station Live - May 5 Administrator 101
191 Expedition 39 - Space Station Live - May 2 Administrator 148
192 Senate Committee on Appropriations Hearing on the National Aeronautics and Space Administration Administrator 135
193 Expedition 39 - Space Station Live - May 1 Administrator 262
194 Expedition 39 - Space Station Live - April 30 Administrator 104
195 Expedition 39 - Space Station Live - April 29 Administrator 87
196 Expedition 39 - Space Station Live - April 28 Administrator 92
197 Space to Ground - 4/25/14 Administrator 126
198 Expedition 39 - Space Station Live - April 25 Administrator 121
199 Expedition 39 - Progress M-21M/53 Redocking - April 25 Administrator 183
200 Expedition 39 - Space Station Live - April 24 Administrator 109
 
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