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Why don't we see any green stars?
00:08:38
Why don't we see any green stars?

737 views

4 days ago

RA, Dec and why do some stars never set?
00:10:01
RA, Dec and why do some stars never set?

84 views

11 days ago

How can you use altitude and azimuth to locate stars?
00:08:21
How can you use altitude and azimuth to locate stars?

78 views

2 weeks ago

How far away is that star? Understanding standard candles
00:07:23
How far away is that star? Understanding standard candles

429 views

3 weeks ago

Apparent and Absolute Magnitude: How bright is that star?
00:09:00
Apparent and Absolute Magnitude: How bright is that star?

86 views

1 month ago

Asteroid impact or elephant attack: Which is more dangerous?
00:08:34
Asteroid impact or elephant attack: Which is more dangerous?

210 views

1 month ago

Can I make a constellation in my classroom?
00:07:26
Can I make a constellation in my classroom?

116 views

1 month ago

How far away is that star? Understanding parallax
00:08:32
How far away is that star? Understanding parallax

7,794 views

1 month ago

Why doesn't everyone see the same constellations?
00:10:03
Why doesn't everyone see the same constellations?

253 views

1 month ago

How did we end up with exactly 88 constellations?
00:10:02
How did we end up with exactly 88 constellations?

246 views

2 months ago

What happens after a supernova?
00:09:30
What happens after a supernova?

169 views

2 months ago

What happens when the Sun stops fusing hydrogen?
00:09:26
What happens when the Sun stops fusing hydrogen?

192 views

2 months ago

Birth of a star - from nebula to main sequence
00:12:38
Birth of a star - from nebula to main sequence

184 views

2 months ago

A trillion Suns vs one lion - what could possibly go wrong?
00:08:28
A trillion Suns vs one lion - what could possibly go wrong?

1,694 views

3 months ago

How have telescopes evolved in the last 100 years?
00:12:19
How have telescopes evolved in the last 100 years?

120 views

3 months ago

Learning from my mistakes
00:10:28
Learning from my mistakes

181 views

3 months ago

Why were galaxies called nebulae until 100 years ago?
00:10:58
Why were galaxies called nebulae until 100 years ago?

114 views

4 months ago

Exposure Time: The trick to seeing deep space
00:10:20
Exposure Time: The trick to seeing deep space

160 views

4 months ago

Astronomy meets GeoGuessr: Finding the Rebel in the Hunting Dogs
00:09:31
Astronomy meets GeoGuessr: Finding the Rebel in the Hunting Dogs

195 views

4 months ago

Last chance to see this on Saturn until 2040
00:09:37
Last chance to see this on Saturn until 2040

383 views

4 months ago

What's in the box?
00:03:51
What's in the box?

124 views

4 months ago

What is the darkest place in the Solar System?
00:09:04
What is the darkest place in the Solar System?

556 views

5 months ago

How did ESA observe the longest solar eclipse in history?
00:09:56
How did ESA observe the longest solar eclipse in history?

265 views

5 months ago

Why we notice the Moon more during certain phases
00:07:12
Why we notice the Moon more during certain phases

344 views

5 months ago

What would happen if you teleported a trillion lions into the Sun?
00:10:58
What would happen if you teleported a trillion lions into the Sun?

19,710 views

5 months ago

How big are the planets? Painting them to scale!
00:20:55
How big are the planets? Painting them to scale!

364 views

6 months ago

Why haven't we found aliens yet?
00:09:14
Why haven't we found aliens yet?

181 views

6 months ago

Could you skydive on Jupiter?
00:07:16
Could you skydive on Jupiter?

170 views

6 months ago

Why do we put telescopes on top of mountains?
00:08:26
Why do we put telescopes on top of mountains?

294 views

7 months ago

What would the Moon and Earth look like to scale?
00:05:04
What would the Moon and Earth look like to scale?

478 views

7 months ago

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