What it’s like to stand here
MASCARA-1 b
weight
3.67 g
sun
50.6× wider
sky
bright white

Illustration computed from this world’s measured and derived values, not a photograph.

Gas giant

MASCARA-1 b

Transit: spotted by the tiny, repeating dip in its star’s light each time the planet crosses in front of it.

MASCARA-1
host star
17.90 R⊕
radius
1,176 M⊕
mass · measured
2.1 days
orbital period
2321°C (4210°F)
avg temp
What it's like to stand here
3.67 g
surface gravity (no solid surface · measured mass)
2.1 days
one year, in Earth time
50.6× wider
how big its sun looks vs ours
bright white
midday sky tint
0.3×
how high you could jump vs Earth
likely
likely tidally locked: probably eternal day on one side, night on the other
How long to get there · 594 ly away
Jet airliner
713 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
927,179 years
dies en route1000-yr cryo: fails
Light speed
594 years
dies en route1000-yr cryo: survives
Warp 10
217 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthMASCARA-1 b is 18× the width of Earth
Explore from here · roam the neighborhood
Host star
MASCARA-1
A8 · 1 planet
Explore →
Sibling worlds in this system

No other confirmed planets here yet. New ones auto-appear as telescopes report.

Zoom out: star → system → (soon) galaxy arm, host black hole, and a real image of the host galaxy.

Can you see it tonight? · observe
BINOCULARS NEEDED
Host-star brightnessmag 8.3
ConstellationEquuleus
To see the host star50 mm binoculars
Gear bridge

Matched telescope & eyepiece recommendations are coming. Any product links will carry a clear affiliate disclosure.

Illustration generated from MASCARA-1 b's confirmed parameters, not a photograph.