how hot is the sun - 93 matching articles

• 
  space

  The Parker Solar Probe is the single greatest innovation of 2018

  And in a great year for space exploration, that's saying something.

  ... going to “kiss” our hellishly hot host star. No space agency ... miles per hour. Understanding the sun's weather and behavior is important ...

  By Shannon Stirone
• 
  space

  Voyager 2 is almost outside the sun's protective bubble

  It follows its predecessor toward where no other (active) spacecraft has gone before.

  ... particles in all directions. Too hot to contain, this solar wind ... high bar of escaping the sun's gravitational companions, a functional Voyager ...

  By Charlie Wood
• 
  space

  This giant exoplanet's atmosphere teems with glowing hot atoms of titanium and iron

  And you thought this summer was hot

  ... investigated the exoplanet KELT-9b, the hottest alien world discovered yet, with ... is nearly twice as hot as our sun. KELT-9b, which is about ...

  By Charles Choi
• 
  space

  A car-sized spacecraft just blasted off toward the Sun

  The Parker Solar Probe is our first mission to "touch" the Sun

  ... , the outermost layer of the sun's atmosphere, located several million miles ... the corona is hotter than the surface of the sun (by several ...

  By Stefanie Waldek
• 
  space

  Cosmic collisions with their neighbors may have weighed these white dwarfs down

  Two stars enter, one star leaves

  ... their outer layers, the expanding hot gas may create a common ... greater than 1.4 times the sun's, they will explode, resulting in ...

  By Charles Q. Choi
• 
  space

  Why hasn't the sun burned out yet?

  Our planet's personal space heater is incredibly efficient.

  ... each other. But the sun's core is so hot and so pressurized ... its energy-producing hydrogen. Eventually, the sun's core will convert all of ...

  By Emma Sarappo
• 
  space

  We're three million miles closer to the sun in January than we are in July. So why isn't it hot?

  It turns out proximity is pretty inconsequential.

  ... in the northern hemisphere, the sun's rays are pointed right at ... intensity is what matters—it's hotter during northern hemisphere summers. Even ...

  By Sara Chodosh
• 
  space

  This scorching black exoplanet takes in all the light it can and gives almost nothing back

  As black as day.

  ... 2 million miles from its sun. By comparison, Earth, which is ... ,600 degrees Fahrenheit. That's so hot that bright, reflective clouds can't ...

  By Mary Beth Griggs
• 
  space

  This distant planet is hotter than many stars

  So hot right now.

  ... , a planet hotter than many stars is hurtling around its sun, leaving ... large and twice as hot as our sun. The Jupiter-like planet orbits ...

  By Mary Beth Griggs
• 
  space

  NASA's sun-kissing probe gets a hot new name

  Everything you need to know about NASA's plans to touch the sun.

  ... record-breaking speeds to enter the sun's corona, or atmosphere, and poke ... suite of cutting-edge instruments. The sun's corona ejects highly-energized plasmas that ...

  By Rachel Feltman
• 
  space

  The play-by-play of a total solar eclipse

  Excerpt: Mask of the Sun

  ... These are also masses of hot gases, rising higher than the ... heavens.Excerpted from Mask of the Sun: The Science, History and Forgotten ...

  By John Dvorak
• 
  space

  Pluto might be a planet again. Let's talk about why this matters.

  Scientists aren't just jerking you around—this is about something more than your childhood nostalgia

  ... solar system (except for the Sun, of course), and many astronomers ... doesn't really matter whether a hot dog is a sandwich. But ...

  By Sara Chodosh
• 
  space

  How NASA is planning to touch the sun

  A look behind the scenes of NASA's advanced solar probe

  ... (Integrated Science Investigation of the Sun) employs a state-of-the-art detection system ... sun” as heatshield mechanical engineer Beth Congdon tells PopSci. “You get hot ...

  By Ian Graber-Stiehl
• 
  space

  How NASA Goes to Space Without Leaving the Earth

  ... off with a “hot soak” wherein the Sun modules on the top ... in the Earth's shadow. Another hot soak heated the full command-service ...

  By Amy Shira Teitel
• 
  space

  NASA's Mission To Sample A Killer Asteroid Launches In September

  Get ready for OSIRIS-REx

  ... heat. The sun heats an asteroid unevenly, giving it one hot side ... estimate how heat from the sun is influencing Bennu's trajectory. That ...

  By Sarah Fecht
• 
  space

  Jupiter's Great Red Spot Is Mysteriously Hot

  And may be generating heat in the planet's atmosphere

  ... found that the spot is hot -- hot enough that it might ... too hot -- hotter than can be explained by heat from the sun ...

  By Mary Beth Griggs
• 
  space

  This Could Be The Strangest Exoplanet Found Yet

  Giant planet orbits three stars at once

  ... formed elsewhere, closer to [Sun A] or [Suns B and C], and ... so sure just how common hot, young and distant planets like ...

  By Ryan F. Mandelbaum
• 
  space

  It's Raining Frigid Gas At This Giant Black Hole

  A new kind of space weather

  ... times the weight of our sun; Abell 2597's Brightest Cluster Galaxy's ... were surrounded by gigantic, uniform hot balls of gas, around 20 ...

  By Ryan F. Mandelbaum
• 
  space

  All The Habitable Planets (Ok, Just Three) Are Hanging Out Around This Ultracool Star

  Sooooo popular

  ... stars are some of the hottest things in astronomy today. In ... planets which orbit their Jupiter-sized sun very closely. Exoplanets are detected ...

  By Mary Beth Griggs
• 
  space

  What happens when the space industry collides with a tiny town?

  Science takes off.

  ... , the tarmac soaks up the sun. A man walks by wearing ... SpacePort doesn't have trouble attracting hot young talent to come develop ...

  By Sarah Scoles
• 
  space

  A Super Hot, Rocky Planet Has Been Discovered Just 21 Light Years Away

  Don't call it 'Arrakis'

  ... as massive. And it's much hotter, with a surface temperature estimated ... orbiting another star than the Sun) called GJ674b that's just 14.8 ...

  By Carl Franzen
• 
  space

  Celebrate Hubble's 25th Birthday With 26 Of Its Most Gorgeous Images

  A Gallery Of Photos Curated By The Person Who Made Most Of Them

  Twenty-five years ago today, Hubble launched into space, nestled in the bay of the Space Shuttle Discovery. Over those years, the space telescope produced the most inspiring images of the cosmos we humans had ever seen. ...

  By Katie Peek
• 
  space

  Saturn's Moon Enceladus May Have Sandy Hot Springs

  Turning the heat up on this frigid space rock

  ... in water that was piping hot. Well, hot for this area of ... get so hot when it's so far from the sun? “One of ...

  By Loren Grush
• 
  space

  Earth 2.0: Where Are The Habitable Worlds Of 'Interstellar'?

  Don't pack your bags yet

  ... other star systems: If the Sun were to explode next week ... moon, potentially resulting in a hot side and a freezing cold ...

  By Sarah Fecht