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ScienceCasts: An Astronomer's Dilemma

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Uploaded on Jul 7, 2011

Stars are bright, but their planets are not, which makes planet hunting difficult. NASA's ultraviolet telescope GALEX may be providing a solution.

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ScienceCasts

  • by NASA
  • 125167 videos
  1. 1

    ScienceCasts: Desert Dust Feeds Amazon Forests

  2. 2

    ScienceCasts: Earth Day Meteor Shower

  3. 3

    ScienceCasts: Citizen Scientists Discover Yellow Balls in Space

  4. 4

    ScienceCasts: Total Eclipse of the Moon

  5. 5

    ScienceCasts: The Mystery of Nanoflares

  6. 6

    ScienceCasts: Studying Earth’s Magnetic Personality

  7. 7

    ScienceCasts: Subtracting Gravity from Alzheimer's

  8. 8

    ScienceCasts: Mud Matters

  9. 9

    ScienceCasts: The Strange Way Fluids Slosh on the International Space Station

  10. 10

    ScienceCasts: Embers from a Rock Comet: The 2014 Geminid Meteor Shower

  11. 11

    ScienceCasts: Climate Change and the Yin-Yang of Polar Sea Ice

  12. 12

    ScienceCasts: Young Volcanoes on the Moon

  13. 13

    ScienceCasts: How to Land on a Comet

  14. 14

    ScienceCasts: Sunset Solar Eclipse

  15. 15

    ScienceCasts: The Cloudy Future of Arctic Sea Ice

  16. 16

    ScienceCasts: First Light for MAVEN

  17. 17

    ScienceCasts: A Giant Among Earth Satellites

  18. 18

    ScienceCasts: A Colorful Lunar Eclipse

  19. 19

    ScienceCasts: Jellyfish Flame on the International Space Station

  20. 20

    ScienceCasts: Mystery in the Ozone Layer

  21. 21

    ScienceCasts: Evidence for Supernovas Near Earth

  22. 22

    ScienceCasts: Sizing up an Exoplanet

  23. 23

    ScienceCasts: Beautiful Conjunction

  24. 24

    ScienceCasts: Colliding Atmospheres - Mars vs Comet Siding Spring

  25. 25

    ScienceCasts: Perseid Meteors vs the Supermoon

  26. 26

    ScienceCasts: Big Mystery in the Perseus Cluster

  27. 27

    ScienceCasts: One Year to Pluto

  28. 28

    ScienceCasts: A Summer of Super Moons

  29. 29

    ScienceCasts: Fruit Flies on the International Space Station

  30. 30

    ScienceCasts: NASA to Launch Carbon Observatory

  31. 31

    ScienceCasts: A Laser Message from Space: "Hello World"

  32. 32

    ScienceCasts: Solar Mini-Max

  33. 33

    ScienceCasts: Rosetta Comet Comes Alive

  34. 34

    ScienceCasts: The Milky Way is Not Just a Refrigerator Magnet

  35. 35

    ScienceCasts: El Niño - Is 2014 the New 1997?

  36. 36

    ScienceCasts: No Turning Back - West Antarctic Glaciers in Irreversible Decline

  37. 37

    ScienceCasts: NASA on the Lookout for a New Meteor Shower

  38. 38

    ScienceCasts: Carrington-class CME Narrowly Misses Earth

  39. 39

    ScienceCasts: Lettuce Orbit Earth -- A New Form of Life Takes Root on the ISS

  40. 40

    ScienceCasts: Unexpected Teleconnections in Noctilucent Clouds

  41. 41

    ScienceCasts: Unexpected Teleconnections in Noctilucent Clouds (update available)

  42. 42

    ScienceCasts: Separated at Launch

  43. 43

    ScienceCast - The Opposition of Mars - HD

  44. 44

    ScienceCasts: A Tetrad of Lunar Eclipses

  45. 45

    ScienceCasts: A Telescope Bigger than a Galaxy

  46. 46

    ScienceCasts: A Sudden Multiplication of Planets

  47. 47

    ScienceCasts: Follow the Water

  48. 48

    ScienceCasts: 10 More Years

  49. 49

    ScienceCasts: California Drought

  50. 50

    ScienceCasts: The Coolest Spot in the Universe

  51. 51

    ScienceCasts: New Year's Asteroid Strike

  52. 52

    ScienceCasts: Countdown to Pluto

  53. 53

    ScienceCasts: Starting Fire in Water

  54. 54

    ScienceCasts: Electric-Blue Clouds Appear Over Antarctica

  55. 55

    ScienceCasts: Rock Comet Sprouts a Tail

  56. 56

    ScienceCasts: Genius Materials on the ISS

  57. 57

    ScienceCasts: Two Comets to Fly By Mercury on Nov 18 & 19

  58. 58

    ScienceCasts: What Happened to Mars? A Planetary Mystery

  59. 59

    ScienceCasts: The Sounds of Interstellar Space

  60. 60

    ScienceCasts: The Sounds of Interstellar Space

  61. 61

    ScienceCasts: The Effects of Space Weather on Aviation

  62. 62

    ScienceCasts: Amateur Astronomers See Comet ISON Approaching the Sun

  63. 63

    ScienceCasts: The Harvest Moon

  64. 64

    ScienceCasts: ISS "Firestation" to Explore the Tops of Thunderstorms

  65. 65

    ScienceCasts: NASA Mission Seeks Lunar Air

  66. 66

    ScienceCasts: Comet ISON to Fly By Mars

  67. 67

    ScienceCasts: The Strange Attraction of Hot Jupiters

  68. 68

    ScienceCasts: The Sun's Magnetic Field is About to Flip

  69. 69

    ScienceCasts: Perseid Fireballs

  70. 70

    ScienceCasts: The Mystery of the Missing Waves on Titan

  71. 71

    ScienceCasts: The Zero Gravity Coffee Cup

  72. 72

    ScienceCasts: Opportunity's Improbable Anniversary

  73. 73

    ScienceCasts: Arctic Permafrost

  74. 74

    ScienceCasts: Strange Flames on the International Space Station

  75. 75

    ScienceCasts: An Early Start for Noctilucent Clouds

  76. 76

    ScienceCasts: Big Asteroid Flyby

  77. 77

    ScienceCasts: Big Weather on Hot Jupiters

  78. 78

    ScienceCasts: Bright Explosion on the Moon

  79. 79

    ScienceCasts: Sunset Triangle

  80. 80

    ScienceCasts: Glow-in-the-Dark Plants on the ISS

  81. 81

    ScienceCasts: Saturn Close Up

  82. 82

    ScienceCasts: Comet ISON Meteor Shower

  83. 83

    ScienceCasts: A Whiff of Dark Matter on the ISS

  84. 84

    ScienceCasts: Don't Let This Happen to Your Planet

  85. 85

    ScienceCasts: Collision Course? A Comet Heads for Mars

  86. 86

    ScienceCasts: Sunset Comet

  87. 87

    ScienceCasts: Stormy Space Weather

  88. 88

    ScienceCasts: Solar Max Double Peaked

  89. 89

    ScienceCasts: What Exploded Over Russia?

  90. 90

    ScienceCasts: Pink Planet at Sunset

  91. 91

    ScienceCasts: A Naked-Eye Comet in March 2013

  92. 92

    ScienceCast: Record-Setting Asteroid Flyby

  93. 93

    ScienceCasts: Comet of the Century

  94. 94

    ScienceCasts: Dark Lightning

  95. 95

    ScienceCasts: Christmas Sky Show

  96. 96

    ScienceCasts: Why the World Didn't End Yesterday

  97. 97

    ScienceCasts: Rock Comet Meteor Shower

  98. 98

    ScienceCasts: The Diner at the Center of the Galaxy

  99. 99

    ScienceCasts: NASA's Cure for a Common Phobia

  100. 100

    ScienceCasts: Total Eclipse of the Sun

  101. 101

    ScienceCasts: Fried Planets

  102. 102

    ScienceCasts: A Meteor Shower from Halley's Comet

  103. 103

    ScienceCasts: Mystery of the Lunar Ionosphere

  104. 104

    ScienceCasts: Stellar Extremophiles

  105. 105

    ScienceCasts: Terrifying Auroras

  106. 106

    ScienceCasts: The Great Lakes of Europa

  107. 107

    ScienceCasts: 600 Mysteries in the Night Sky

  108. 108

    ScienceCasts: Draconid Meteor Outburst

  109. 109

    ScienceCasts: A Star with Spiral Arms

  110. 110

    ScienceCasts: The Sleepy Hollows of Mercury

  111. 111

    ScienceCasts: What Happened to all the Snow?

  112. 112

    ScienceCasts: Some Comets Like It Hot

  113. 113

    ScienceCasts: Mission to Land on a Comet

  114. 114

    ScienceCasts: Solar Eclipse in the USA

  115. 115

    ScienceCasts: Smallest Terrestrial Planet?

  116. 116

    ScienceCasts: A Super-Sized Lunar Eclipse

  117. 117

    ScienceCasts: Re-thinking an Alien World

  118. 118

    ScienceCasts: Tracking Meteoroids

  119. 119

    ScienceCasts: Summer Meteor Shower

  120. 120

    ScienceCasts: Dark Fireworks

  121. 121

    ScienceCasts: What Lies Inside Jupiter?

  122. 122

    ScienceCasts: Sun Grazing Comet

  123. 123

    ScienceCasts: Power of Sea Salt

  124. 124

    ScienceCasts: Big Surprise

  125. ScienceCasts: An Astronomer's Dilemma

  126. 126

    ScienceCasts: Wild Weather

  127. 127

    ScienceCasts: Secret Lives of Solar Flares

  128. 128

    ScienceCasts: Visit To Pluto

  129. 129

    ScienceCasts: The Strange Attraction of Gale Crater

  130. 130

    ScienceCasts: Did Earth Have Two Moons?

  131. 131

    ScienceCasts: Breath of Fresh Air

  132. 132

    ScienceCasts: Dawn's Smooth Move

  133. 133

    ScienceCasts: Cool Stars

  134. 134

    ScienceCasts: Bright Perseid Photographed from Space

  135. 135

    ScienceCasts: Alien Matter in the Solar System

  136. 136

    ScienceCasts: The First Extraterrestrial Marathon

  137. 137

    ScienceCasts: A Good Reason to Wake Up at Dawn

  138. 138

    ScienceCasts: Mars Landing Sky Show

  139. 139

    ScienceCasts: A Taste of Solar Maximum

  140. 140

    ScienceCasts: Why Won't the Supernova Explode?

  141. 141

    ScienceCasts: Andromeda vs. the Milky Way: Astronomers Predict a Titanic Collision

  142. 142

    ScienceCasts: Hidden Magnetic Portals Around Earth

  143. 143

    ScienceCasts: Voyager 1 at the Final Frontier

  144. 144

    ScienceCasts: Weird Planets

  145. 145

    ScienceCasts: The Radiation Belt Storm Probes

  146. 146

    ScienceCasts: The Sound of Earthsong

  147. 147

    ScienceCasts: Why Curiosity Matters

  148. 148

    ScienceCasts: 2012 Perseid Meteor Shower

  149. 149

    ScienceCasts: Meteor Smoke Makes Strange Clouds

  150. 150

    ScienceCasts: Watch Out For The Blue Moon

  151. 151

    ScienceCasts: Where Will Curiosity Go First?

  152. 152

    ScienceCasts: The Surprising Power of a Solar Storm

  153. 153

    ScienceCasts: Mysterious Objects at the Edge of the Electromagnetic Spectrum

  154. 154

    ScienceCasts: A Wonderful Night in April

  155. 155

    ScienceCasts: Getting to Know the Goldilocks Planet

  156. 156

    ScienceCasts: Curiosity, The Stunt Double

  157. 157

    ScienceCasts: An Alignment of Planets

  158. 158

    ScienceCasts: The Super Moon of May 2012

  159. 159

    ScienceCasts: Auroras Underfoot

  160. 160

    ScienceCasts: The 2012 Transit of Venus

  161. 161

    ScienceCasts: Don't Judge a Moon by its Cover

  162. 162

    ScienceCasts: ISS Transit of Venus

  163. 163

    ScienceCasts: Partial Eclipse of the Strawberry Moon

  164. 164

    ScienceCasts: Here Comes Solar Maximum

  165. 165

    ScienceCasts: April is the Cruelest Month

  166. 166

    ScienceCasts: A Star Turns Inside Out

  167. 167

    ScienceCasts: Amateur Scientists Discover Galactic Bubbles

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