Star: Sun
v_wind: 400 km/s
Ṁ: 2e-14 M☉/yr
B_surf: 1.0 G
R_Alfvén: 20 R★
R_TS: 90 AU
Ω_star: 2.87 μrad/s
ISM flow: 26 km/s
Particles: 0
Frame: 0
Parker field lines
Alfvén surface
Termination shock
Heliopause
Fast wind particles
Slow wind particles
★ STAR PRESETS
Type:G2V Main Seq
Mass:1.0 M☉
Radius:1.0 R☉
Luminosity:1.0 L☉
💨 WIND PARAMETERS
400 km/s
-14
1.0 G
25 d
50%
🌌 ISM & HELIOSPHERE
26 km/s
0.30
1.0
🖥 DISPLAY
1.0×
⚡ EVENTS
📐 PHYSICS
Parker spiral angle:
tan ψ = Ω r / v_w
Alfvén radius:
r_A² ≈ B₀²R★² / (4π ρ v_w²)
Termination shock:
Ṁ v_w / (4π r²) = P_ISM
Magnetic torque:
L̇ = Ṁ Ω r_A²

Parker (1958) · Weber & Davis (1967)
Cranmer & van Ballegooijen (2005)