NASA Image Of The Day

Black Hole Friday
NASA Image Of The Day
In this artist's illustration, turbulent winds of gas swirl around a black hole. Some of the gas is spiraling inward toward the black hole, but another part is blown away. A black hole is a place in space where gravity pulls so much that even light can not get out. The gravity is so strong because matter has been squeezed into a tiny space. This can happen when a star is dying. Because no light can get out, people can't see black holes. They are invisible. Space telescopes with special tools can help find black holes. The special tools can see how stars that are very close to black holes act differently than other stars. How Big Are Black Holes? Black holes can be big or small. Scientists think the smallest black holes are as small as just one atom. These black holes are very tiny but have the mass of a large mountain. Mass is the amount of matter, or "stuff," in an object. More information on black holes. Artwork Credit: NASA, and M. Weiss (Chandra X -ray Center)...
28 Nov 2014
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152 Expedition 40 - Space Station Live - August 6 Administrator 161
153 Expedition 40 - Space Station Live - August 4 Administrator 171
154 Expedition 40 - Space Station Live - August 1 Administrator 227
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156 Expedition 40 - In-Flight Event - July 31 Administrator 233
157 Mars Announcement - July 31 Administrator 306
158 Expedition 40 - Space Station Live - July 30 Administrator 218
159 ATV-5 "Georges Lemaitre" Launch Administrator 366
160 Expedition 40 - In-Flight Event - July 29 Administrator 225
161 Expedition 40 - Space Station Live - July 29 Administrator 218
162 Expedition 40 - Space Station Live - July 28 Administrator 195
163 Expedition 40 - Space Station Live - July 25 Administrator 250
164 Expedition 40 - In-Flight Event - July 24 Administrator 217
165 Expedition 40 - Space Station Live - July 24 Administrator 183
166 Expedition 40 - Progress M-24M/56 Docking Administrator 220
167 Expedition 40 - Progress M-24M/56 Launch Administrator 181
168 Expedition 40 - Space Station Live - July 23 Administrator 100
169 NEEMO 18 - Interviews with the NASA Astronaut Jeanette Epps Administrator 181
170 Live Interviews with the NASA Extreme Environment Mission Operations - NEEMO-18 Administrator 153
171 Expedition 40 - Space Station Live - July 22 Administrator 168
172 Expedition 40 - Progress M-23M/ 55 Undocking Administrator 191
173 Expedition 40 - Space Station Live - July 21 Administrator 149
174 Apollo 11 Mission Historic Moonwalk – Humanity's First Steps on the Moon July 20 1969 Administrator 307
175 Expedition 40 - Space Station Live - July 18 Administrator 161
176 Orbital Sciences Cygnus-2 - Cargo Ship Hatch Opening Administrator 317
177 Expedition 40 - Space Station Live - July 17 Administrator 156
178 Expedition 41/42 - Crew News Conference Administrator 260
179 Expedition 41/42 - Video B-Roll of Crew Training Administrator 225
180 Expedition 40 - Space Station Live - July 16 Administrator 152
181 Orbital Sciences/Cygnus-2 - Rendezvous and Berthing to the ISS Administrator 220
182 Orbital Sciences/Cygnus-2 - Rendezvous and Grapple Administrator 217
183 Expedition 40 - Space Station Live - July 15 Administrator 147
184 The Flight of Apollo 11 - The story of the first Moon landing in July 1969 Administrator 196
185 The Search for Life in the Universe Administrator 131
186 Expedition 40 - Space Station Live - July 14 Administrator 138
187 Orbital Sciences/Cygnus-2 Post-Launch News Conference Administrator 197
188 Orbital Sciences/Cygnus-2 Launch Replays Administrator 186
189 Orbital Sciences/Cygnus-2 Launch Administrator 196
190 Orbital Sciences/Cygnus-2 Pre-Launch News Conference Administrator 165
191 Orbital Sciences/Cygnus-2 Science and Technology Cargo News Conference Administrator 179
192 Orbital Sciences Conducts Final Cargo Loading, Payload Fairing Installation and Rollout Administrator 178
193 Expedition 40 - Space Station Live - July 11 Administrator 112
194 Expedition 40 - Space Station Live - July 10 Administrator 123
195 Expedition 40 - In-Flight Interviews - July 9 Administrator 153
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197 Expedition 40 - Space Station Live - July 8 Administrator 158
198 ISS Mission Control On-Console Interview with the Digital Learning Network - July 8 Administrator 139
199 Expedition 40 - Space Station Live - July 7 Administrator 144
200 Expedition 40 - Space Station Live - July 3 Administrator 178
 
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