Hubble
Hubble
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Hubble
5 hours ago
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Hubble
4 days ago
RT @chandraxray: The "wings" of the Butterfly Nebula may appear to be covered in snow & ice in this Chandra and Hubble image, but looks can be deceiving. The wings are actually scorching hot regions of gas at temperatures over 20,000 °C that are traveling at more than 950,000 kilometers per hour. https://t.co/ynW2Ttdbof
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Hubble
4 days ago
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Hubble
5 days ago
Welcome to the club, TOI-674 b. 😎

A recent discovery places this exoplanet in an exclusive club – planets with water vapor in their atmospheres!

Learn more about this Hubble & Transiting Exoplanet Survey Satellite discovery: https://t.co/csYtfXTdIU https://t.co/TLLgAUslOh
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Hubble
6 days ago
Did you know Hubble helped build @NASAWebb’s “to-do” list? ☑️

One of Webb’s upcoming projects is called COSMOS-Webb, which will observe a patch of sky containing half a million galaxies – building on a huge survey that Hubble started in 2002.

Learn more: https://t.co/jcWSHcmKKX https://t.co/el8M1mdadh
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Hubble
7 days ago
You’ve heard of spiral galaxies… but have you heard of prototypical barred spiral galaxies?

Now you have! This #HubbleClassic image shows NGC 1672, a galaxy with spiral arms that attach to two ends of a bar of stars that enclose the galaxy’s nucleus: https://t.co/Rv2aaPh3ny https://t.co/Y9Igu4T7nA
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Hubble
8 days ago
Building on a classic ⭐

When it launches in 2027, @NASARoman will make wide observations of our universe with its enormous field of view.

One such observation could build upon Hubble's iconic Ultra Deep Field image, as seen simulated here!

More: https://t.co/iF5vaOpG7Z https://t.co/dqke05ta5X
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Hubble
8 days ago
We’ll leave you to *reflect* on all that.

Hubble & Webb, with their complementary abilities to see across the electromagnetic spectrum, will work together to give us a more complete view of the universe.

Learn more: https://t.co/tn1KsflAvt https://t.co/GLnNJc9y3B
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Hubble
8 days ago
Temperature 🥶

Hubble is optimized to observe ultraviolet & visible light, so its primary mirror doesn’t have to be as cold as Webb’s.

But to detect faint infrared light, Webb’s mirrors have to be around -364 degree F! (Image shows mirrors getting prepped for cyrogenic testing) https://t.co/kvG6uNKXNR
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Hubble
8 days ago
Hubble’s primary mirror is made of one large piece of Ultra-Low Expansion Glass® that is coated with thin layers of aluminum and magnesium fluoride.

Webb’s 18 mirror segments are covered in a thin, reflective layer of gold, which reflects infrared light more efficiently. https://t.co/x13WDMIElZ
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Hubble
8 days ago
Despite its larger size, Webb will deliver about the same resolution in near-infrared light as Hubble attains in visible light.

The two telescopes will be able to “double-team” their observations of objects to provide us with spectacular, broad-spectrum views! https://t.co/EmwiDjbaiA
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Hubble
8 days ago
Size 📏

Webb’s primary mirror stretches ~21 ft (6.5 meters) across, while Hubble’s is ~8 ft (2.4 meters) across.

That gives Webb more than six times the light collecting area than Hubble has! https://t.co/7CaAvXIFUf
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Hubble
8 days ago
Have you heard the buzz? 🐝

@NASAWebb
’s “honeycomb”-like mirror unfolded and the telescope is fully deployed!

Like Hubble, Webb is a reflecting telescope – meaning that it gathers light using huge mirrors rather than lenses. So how do the mirrors on Hubble and Webb compare? ⬇️ https://t.co/MhyNmJixIx
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Hubble
10 days ago
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Hubble
11 days ago
It’s the first #HubbleFriday of the year!

This week’s image shows two galaxies that appear to be plunging into each other, but in reality, they're far apart – only our circumstance of perspective makes them look as if they’re colliding.

Read more: https://t.co/5kQqcYZDwU https://t.co/g5BIbb9eBj
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Hubble
12 days ago
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Hubble
14 days ago
Hello, 2022!

In this case, the nebula called NGC 2022.

This #HubbleClassic view shows a planetary nebula, which is a confusing name because it has nothing to do with planets! It’s really just a dying star casting off its outer layers of material. https://t.co/bXTLModJdY
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Hubble
15 days ago
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Hubble
15 days ago
⭐ When @NASAWebb begins science operations, it could see the universe’s first stars with the help of gravitational lensing.

This Hubble image shows the effect – this galaxy cluster's gravity is so strong that it magnified light from galaxies behind it: https://t.co/0hh43pW1f5 https://t.co/vEp22WCEJb
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Hubble
17 days ago
Happy New Year! 🥳

Hubble is kicking off 2022 with a major milestone. The telescope began operations 1 billion seconds ago!

In that billion seconds, Hubble made more than 1.5 million observations and astronomers using Hubble data published more than 19,000 scientific papers. https://t.co/daK8V7liFB
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